From 43bcdb17a1e9e826d51d515fe0d56327046fc59f Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Fri, 19 Jul 2019 14:42:40 +0000
Subject: [PATCH] AMDGPU/GlobalISel: Selection for fminnum/fmaxnum

v2f16 case doesn't work yet because the VOP3P complex patterns haven't
been ported yet.

llvm-svn: 366585
---
 .../Target/GlobalISel/SelectionDAGCompat.td   |   4 +
 lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp  |   6 +-
 .../GlobalISel/inst-select-fmaxnum-ieee.mir   | 308 ++++++++++++++++++
 .../AMDGPU/GlobalISel/inst-select-fmaxnum.mir | 307 +++++++++++++++++
 .../GlobalISel/inst-select-fminnum-ieee.mir   | 308 ++++++++++++++++++
 .../AMDGPU/GlobalISel/inst-select-fminnum.mir | 307 +++++++++++++++++
 .../AMDGPU/GlobalISel/inst-select-maxnum.mir  |  60 ----
 .../AMDGPU/GlobalISel/inst-select-minnum.mir  |  59 ----
 .../GlobalISel/regbankselect-maxnum.mir       |  66 ----
 .../GlobalISel/regbankselect-minnum.mir       |  66 ----
 10 files changed, 1238 insertions(+), 253 deletions(-)
 create mode 100644 test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum-ieee.mir
 create mode 100644 test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum.mir
 create mode 100644 test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum-ieee.mir
 create mode 100644 test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum.mir
 delete mode 100644 test/CodeGen/AMDGPU/GlobalISel/inst-select-maxnum.mir
 delete mode 100644 test/CodeGen/AMDGPU/GlobalISel/inst-select-minnum.mir
 delete mode 100644 test/CodeGen/AMDGPU/GlobalISel/regbankselect-maxnum.mir
 delete mode 100644 test/CodeGen/AMDGPU/GlobalISel/regbankselect-minnum.mir

diff --git a/include/llvm/Target/GlobalISel/SelectionDAGCompat.td b/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
index 6cc58d6521d..5c7607168e1 100644
--- a/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
+++ b/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
@@ -104,6 +104,10 @@ def : GINodeEquiv<G_SMIN, smin>;
 def : GINodeEquiv<G_SMAX, smax>;
 def : GINodeEquiv<G_UMIN, umin>;
 def : GINodeEquiv<G_UMAX, umax>;
+def : GINodeEquiv<G_FMINNUM, fminnum>;
+def : GINodeEquiv<G_FMAXNUM, fmaxnum>;
+def : GINodeEquiv<G_FMINNUM_IEEE, fminnum_ieee>;
+def : GINodeEquiv<G_FMAXNUM_IEEE, fmaxnum_ieee>;
 
 // Broadly speaking G_LOAD is equivalent to ISD::LOAD but there are some
 // complications that tablegen must take care of. For example, Predicates such
diff --git a/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
index 815cbc5e26e..9b454665030 100644
--- a/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -1699,6 +1699,10 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
   case AMDGPU::G_FPEXT:
   case AMDGPU::G_FEXP2:
   case AMDGPU::G_FLOG2:
+  case AMDGPU::G_FMINNUM:
+  case AMDGPU::G_FMAXNUM:
+  case AMDGPU::G_FMINNUM_IEEE:
+  case AMDGPU::G_FMAXNUM_IEEE:
   case AMDGPU::G_FCANONICALIZE:
   case AMDGPU::G_INTRINSIC_TRUNC:
   case AMDGPU::G_INTRINSIC_ROUND:
@@ -1906,8 +1910,6 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
     switch (MI.getOperand(MI.getNumExplicitDefs()).getIntrinsicID()) {
     default:
       return getInvalidInstructionMapping();
-    case Intrinsic::maxnum:
-    case Intrinsic::minnum:
     case Intrinsic::amdgcn_div_fmas:
     case Intrinsic::amdgcn_trig_preop:
     case Intrinsic::amdgcn_sin:
diff --git a/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum-ieee.mir b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum-ieee.mir
new file mode 100644
index 00000000000..a5f604479b5
--- /dev/null
+++ b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum-ieee.mir
@@ -0,0 +1,308 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX7 %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX8 %s
+# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX9 %s
+
+---
+
+name: fmaxnum_ieee_f32_f64_ieee_mode_on
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fmaxnum_ieee_f32_f64_ieee_mode_on
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX8-LABEL: name: fmaxnum_ieee_f32_f64_ieee_mode_on
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX9-LABEL: name: fmaxnum_ieee_f32_f64_ieee_mode_on
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; maxnum_ieee vs
+    %4:vgpr(s32) = G_FMAXNUM_IEEE %1, %0
+
+    ; maxnum_ieee sv
+    %5:vgpr(s32) = G_FMAXNUM_IEEE %0, %1
+
+    ; maxnum_ieee vv
+    %6:vgpr(s32) = G_FMAXNUM_IEEE %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; maxnum_ieee vs
+    %14:vgpr(s64) = G_FMAXNUM_IEEE %10, %11
+
+    ; maxnum_ieee sv
+    %15:vgpr(s64) = G_FMAXNUM_IEEE %11, %10
+
+    ; maxnum_ieee vv
+    %16:vgpr(s64) = G_FMAXNUM_IEEE %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+
+# FIXME: Ideally this would fail to select with ieee mode disabled
+---
+
+name: fmaxnum_ieee_f32_f64_ieee_mode_off
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: false
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fmaxnum_ieee_f32_f64_ieee_mode_off
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX8-LABEL: name: fmaxnum_ieee_f32_f64_ieee_mode_off
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX9-LABEL: name: fmaxnum_ieee_f32_f64_ieee_mode_off
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; maxnum_ieee vs
+    %4:vgpr(s32) = G_FMAXNUM_IEEE %1, %0
+
+    ; maxnum_ieee sv
+    %5:vgpr(s32) = G_FMAXNUM_IEEE %0, %1
+
+    ; maxnum_ieee vv
+    %6:vgpr(s32) = G_FMAXNUM_IEEE %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; maxnum_ieee vs
+    %14:vgpr(s64) = G_FMAXNUM_IEEE %10, %11
+
+    ; maxnum_ieee sv
+    %15:vgpr(s64) = G_FMAXNUM_IEEE %11, %10
+
+    ; maxnum_ieee vv
+    %16:vgpr(s64) = G_FMAXNUM_IEEE %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+---
+name: fmaxnum_ieee_f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fmaxnum_ieee_f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FMAXNUM_IEEE:%[0-9]+]]:vgpr(s16) = G_FMAXNUM_IEEE [[TRUNC]], [[TRUNC1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMAXNUM_IEEE]](s16)
+    ; GFX8-LABEL: name: fmaxnum_ieee_f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    ; GFX9-LABEL: name: fmaxnum_ieee_f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FMAXNUM_IEEE %2, %3
+    S_ENDPGM 0, implicit %4
+...
+
+---
+name: fmaxnum_ieee_v2f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1
+
+    ; GFX7-LABEL: name: fmaxnum_ieee_v2f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX7: [[FMAXNUM_IEEE:%[0-9]+]]:vgpr(<2 x s16>) = G_FMAXNUM_IEEE [[COPY]], [[COPY1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMAXNUM_IEEE]](<2 x s16>)
+    ; GFX8-LABEL: name: fmaxnum_ieee_v2f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX8: [[FMAXNUM_IEEE:%[0-9]+]]:vgpr(<2 x s16>) = G_FMAXNUM_IEEE [[COPY]], [[COPY1]]
+    ; GFX8: S_ENDPGM 0, implicit [[FMAXNUM_IEEE]](<2 x s16>)
+    ; GFX9-LABEL: name: fmaxnum_ieee_v2f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX9: [[FMAXNUM_IEEE:%[0-9]+]]:vgpr(<2 x s16>) = G_FMAXNUM_IEEE [[COPY]], [[COPY1]]
+    ; GFX9: S_ENDPGM 0, implicit [[FMAXNUM_IEEE]](<2 x s16>)
+    %0:vgpr(<2 x s16>) = COPY $vgpr0
+    %1:vgpr(<2 x s16>) = COPY $vgpr1
+    %2:vgpr(<2 x s16>) = G_FMAXNUM_IEEE %0, %1
+    S_ENDPGM 0, implicit %2
+...
+
+---
+name: fmaxnum_ieee_f16_v_fneg_v
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fmaxnum_ieee_f16_v_fneg_v
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FNEG:%[0-9]+]]:vgpr(s16) = G_FNEG [[TRUNC1]]
+    ; GFX7: [[FMAXNUM_IEEE:%[0-9]+]]:vgpr(s16) = G_FMAXNUM_IEEE [[TRUNC]], [[FNEG]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMAXNUM_IEEE]](s16)
+    ; GFX8-LABEL: name: fmaxnum_ieee_f16_v_fneg_v
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    ; GFX9-LABEL: name: fmaxnum_ieee_f16_v_fneg_v
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FNEG %3
+    %5:vgpr(s16) = G_FMAXNUM_IEEE %2, %4
+    S_ENDPGM 0, implicit %5
+...
diff --git a/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum.mir b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum.mir
new file mode 100644
index 00000000000..4902ee35af2
--- /dev/null
+++ b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum.mir
@@ -0,0 +1,307 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX7 %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX8 %s
+# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX9 %s
+
+# FIXME: Ideally this would fail to select with ieee mode enabled.
+---
+
+name: fmaxnum_f32_f64_ieee_mode_on
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fmaxnum_f32_f64_ieee_mode_on
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX8-LABEL: name: fmaxnum_f32_f64_ieee_mode_on
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX9-LABEL: name: fmaxnum_f32_f64_ieee_mode_on
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; maxnum vs
+    %4:vgpr(s32) = G_FMAXNUM %1, %0
+
+    ; maxnum sv
+    %5:vgpr(s32) = G_FMAXNUM %0, %1
+
+    ; maxnum vv
+    %6:vgpr(s32) = G_FMAXNUM %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; maxnum vs
+    %14:vgpr(s64) = G_FMAXNUM %10, %11
+
+    ; maxnum sv
+    %15:vgpr(s64) = G_FMAXNUM %11, %10
+
+    ; maxnum vv
+    %16:vgpr(s64) = G_FMAXNUM %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+---
+
+name: fmaxnum_f32_f64_ieee_mode_off
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: false
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fmaxnum_f32_f64_ieee_mode_off
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX8-LABEL: name: fmaxnum_f32_f64_ieee_mode_off
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    ; GFX9-LABEL: name: fmaxnum_f32_f64_ieee_mode_off
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MAX_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_1:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MAX_F64_2:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F64_]], implicit [[V_MAX_F64_1]], implicit [[V_MAX_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; maxnum vs
+    %4:vgpr(s32) = G_FMAXNUM %1, %0
+
+    ; maxnum sv
+    %5:vgpr(s32) = G_FMAXNUM %0, %1
+
+    ; maxnum vv
+    %6:vgpr(s32) = G_FMAXNUM %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; maxnum vs
+    %14:vgpr(s64) = G_FMAXNUM %10, %11
+
+    ; maxnum sv
+    %15:vgpr(s64) = G_FMAXNUM %11, %10
+
+    ; maxnum vv
+    %16:vgpr(s64) = G_FMAXNUM %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+---
+name: fmaxnum_f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fmaxnum_f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FMAXNUM:%[0-9]+]]:vgpr(s16) = G_FMAXNUM [[TRUNC]], [[TRUNC1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMAXNUM]](s16)
+    ; GFX8-LABEL: name: fmaxnum_f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    ; GFX9-LABEL: name: fmaxnum_f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FMAXNUM %2, %3
+    S_ENDPGM 0, implicit %4
+...
+
+---
+name: fmaxnum_v2f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1
+
+    ; GFX7-LABEL: name: fmaxnum_v2f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX7: [[FMAXNUM:%[0-9]+]]:vgpr(<2 x s16>) = G_FMAXNUM [[COPY]], [[COPY1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMAXNUM]](<2 x s16>)
+    ; GFX8-LABEL: name: fmaxnum_v2f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX8: [[FMAXNUM:%[0-9]+]]:vgpr(<2 x s16>) = G_FMAXNUM [[COPY]], [[COPY1]]
+    ; GFX8: S_ENDPGM 0, implicit [[FMAXNUM]](<2 x s16>)
+    ; GFX9-LABEL: name: fmaxnum_v2f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX9: [[FMAXNUM:%[0-9]+]]:vgpr(<2 x s16>) = G_FMAXNUM [[COPY]], [[COPY1]]
+    ; GFX9: S_ENDPGM 0, implicit [[FMAXNUM]](<2 x s16>)
+    %0:vgpr(<2 x s16>) = COPY $vgpr0
+    %1:vgpr(<2 x s16>) = COPY $vgpr1
+    %2:vgpr(<2 x s16>) = G_FMAXNUM %0, %1
+    S_ENDPGM 0, implicit %2
+...
+
+---
+name: fmaxnum_f16_v_fneg_v
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fmaxnum_f16_v_fneg_v
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FNEG:%[0-9]+]]:vgpr(s16) = G_FNEG [[TRUNC1]]
+    ; GFX7: [[FMAXNUM:%[0-9]+]]:vgpr(s16) = G_FMAXNUM [[TRUNC]], [[FNEG]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMAXNUM]](s16)
+    ; GFX8-LABEL: name: fmaxnum_f16_v_fneg_v
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    ; GFX9-LABEL: name: fmaxnum_f16_v_fneg_v
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FNEG %3
+    %5:vgpr(s16) = G_FMAXNUM %2, %4
+    S_ENDPGM 0, implicit %5
+...
diff --git a/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum-ieee.mir b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum-ieee.mir
new file mode 100644
index 00000000000..7cd2452ee78
--- /dev/null
+++ b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum-ieee.mir
@@ -0,0 +1,308 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX7 %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX8 %s
+# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX9 %s
+
+---
+
+name: fminnum_ieee_f32_f64_ieee_mode_on
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fminnum_ieee_f32_f64_ieee_mode_on
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX8-LABEL: name: fminnum_ieee_f32_f64_ieee_mode_on
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX9-LABEL: name: fminnum_ieee_f32_f64_ieee_mode_on
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; minnum_ieee vs
+    %4:vgpr(s32) = G_FMINNUM_IEEE %1, %0
+
+    ; minnum_ieee sv
+    %5:vgpr(s32) = G_FMINNUM_IEEE %0, %1
+
+    ; minnum_ieee vv
+    %6:vgpr(s32) = G_FMINNUM_IEEE %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; minnum_ieee vs
+    %14:vgpr(s64) = G_FMINNUM_IEEE %10, %11
+
+    ; minnum_ieee sv
+    %15:vgpr(s64) = G_FMINNUM_IEEE %11, %10
+
+    ; minnum_ieee vv
+    %16:vgpr(s64) = G_FMINNUM_IEEE %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+# FIXME: Ideally this would fail to select with ieee mode disabled
+
+---
+
+name: fminnum_ieee_f32_f64_ieee_mode_off
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: false
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fminnum_ieee_f32_f64_ieee_mode_off
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX8-LABEL: name: fminnum_ieee_f32_f64_ieee_mode_off
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX9-LABEL: name: fminnum_ieee_f32_f64_ieee_mode_off
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; minnum_ieee vs
+    %4:vgpr(s32) = G_FMINNUM_IEEE %1, %0
+
+    ; minnum_ieee sv
+    %5:vgpr(s32) = G_FMINNUM_IEEE %0, %1
+
+    ; minnum_ieee vv
+    %6:vgpr(s32) = G_FMINNUM_IEEE %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; minnum_ieee vs
+    %14:vgpr(s64) = G_FMINNUM_IEEE %10, %11
+
+    ; minnum_ieee sv
+    %15:vgpr(s64) = G_FMINNUM_IEEE %11, %10
+
+    ; minnum_ieee vv
+    %16:vgpr(s64) = G_FMINNUM_IEEE %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+---
+name: fminnum_ieee_f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fminnum_ieee_f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FMINNUM_IEEE:%[0-9]+]]:vgpr(s16) = G_FMINNUM_IEEE [[TRUNC]], [[TRUNC1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMINNUM_IEEE]](s16)
+    ; GFX8-LABEL: name: fminnum_ieee_f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    ; GFX9-LABEL: name: fminnum_ieee_f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FMINNUM_IEEE %2, %3
+    S_ENDPGM 0, implicit %4
+...
+
+---
+name: fminnum_ieee_v2f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1
+
+    ; GFX7-LABEL: name: fminnum_ieee_v2f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX7: [[FMINNUM_IEEE:%[0-9]+]]:vgpr(<2 x s16>) = G_FMINNUM_IEEE [[COPY]], [[COPY1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMINNUM_IEEE]](<2 x s16>)
+    ; GFX8-LABEL: name: fminnum_ieee_v2f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX8: [[FMINNUM_IEEE:%[0-9]+]]:vgpr(<2 x s16>) = G_FMINNUM_IEEE [[COPY]], [[COPY1]]
+    ; GFX8: S_ENDPGM 0, implicit [[FMINNUM_IEEE]](<2 x s16>)
+    ; GFX9-LABEL: name: fminnum_ieee_v2f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX9: [[FMINNUM_IEEE:%[0-9]+]]:vgpr(<2 x s16>) = G_FMINNUM_IEEE [[COPY]], [[COPY1]]
+    ; GFX9: S_ENDPGM 0, implicit [[FMINNUM_IEEE]](<2 x s16>)
+    %0:vgpr(<2 x s16>) = COPY $vgpr0
+    %1:vgpr(<2 x s16>) = COPY $vgpr1
+    %2:vgpr(<2 x s16>) = G_FMINNUM_IEEE %0, %1
+    S_ENDPGM 0, implicit %2
+...
+
+---
+name: fminnum_ieee_f16_v_fneg_v
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fminnum_ieee_f16_v_fneg_v
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FNEG:%[0-9]+]]:vgpr(s16) = G_FNEG [[TRUNC1]]
+    ; GFX7: [[FMINNUM_IEEE:%[0-9]+]]:vgpr(s16) = G_FMINNUM_IEEE [[TRUNC]], [[FNEG]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMINNUM_IEEE]](s16)
+    ; GFX8-LABEL: name: fminnum_ieee_f16_v_fneg_v
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    ; GFX9-LABEL: name: fminnum_ieee_f16_v_fneg_v
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FNEG %3
+    %5:vgpr(s16) = G_FMINNUM_IEEE %2, %4
+    S_ENDPGM 0, implicit %5
+...
diff --git a/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum.mir b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum.mir
new file mode 100644
index 00000000000..e4e08cb6d7c
--- /dev/null
+++ b/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum.mir
@@ -0,0 +1,307 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX7 %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX8 %s
+# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=0 -o - %s  | FileCheck -check-prefix=GFX9 %s
+
+# FIXME: Ideally this would fail to select with ieee mode enabled.
+---
+
+name: fminnum_f32_f64_ieee_mode_on
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fminnum_f32_f64_ieee_mode_on
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX8-LABEL: name: fminnum_f32_f64_ieee_mode_on
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX9-LABEL: name: fminnum_f32_f64_ieee_mode_on
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; minnum vs
+    %4:vgpr(s32) = G_FMINNUM %1, %0
+
+    ; minnum sv
+    %5:vgpr(s32) = G_FMINNUM %0, %1
+
+    ; minnum vv
+    %6:vgpr(s32) = G_FMINNUM %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; minnum vs
+    %14:vgpr(s64) = G_FMINNUM %10, %11
+
+    ; minnum sv
+    %15:vgpr(s64) = G_FMINNUM %11, %10
+
+    ; minnum vv
+    %16:vgpr(s64) = G_FMINNUM %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+---
+
+name: fminnum_f32_f64_ieee_mode_off
+legalized:       true
+regBankSelected: true
+machineFunctionInfo:
+  mode:
+    ieee: false
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
+    ; GFX7-LABEL: name: fminnum_f32_f64_ieee_mode_off
+    ; GFX7: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX7: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX7: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX7: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX7: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX7: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX7: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX7: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX7: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX7: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX8-LABEL: name: fminnum_f32_f64_ieee_mode_off
+    ; GFX8: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX8: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX8: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX8: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX8: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: FLAT_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1)
+    ; GFX8: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX8: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    ; GFX9-LABEL: name: fminnum_f32_f64_ieee_mode_off
+    ; GFX9: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
+    ; GFX9: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
+    ; GFX9: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
+    ; GFX9: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
+    ; GFX9: [[V_MIN_F32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F32_e64_2:%[0-9]+]]:vgpr_32 = V_MIN_F32_e64 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_1]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: GLOBAL_STORE_DWORD [[COPY3]], [[V_MIN_F32_e64_2]], 0, 0, 0, 0, implicit $exec :: (store 4, addrspace 1)
+    ; GFX9: [[V_MIN_F64_:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY4]], 0, [[COPY5]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_1:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY4]], 0, 0, implicit $exec
+    ; GFX9: [[V_MIN_F64_2:%[0-9]+]]:vreg_64 = V_MIN_F64 0, [[COPY5]], 0, [[COPY6]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F64_]], implicit [[V_MIN_F64_1]], implicit [[V_MIN_F64_2]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:vgpr(s32) = COPY $vgpr0
+    %2:vgpr(s32) = COPY $vgpr1
+    %3:vgpr(p1) = COPY $vgpr3_vgpr4
+
+    %10:sgpr(s64) = COPY $sgpr10_sgpr11
+    %11:vgpr(s64) = COPY $vgpr10_vgpr11
+    %12:vgpr(s64) = COPY $vgpr12_vgpr13
+
+    ; minnum vs
+    %4:vgpr(s32) = G_FMINNUM %1, %0
+
+    ; minnum sv
+    %5:vgpr(s32) = G_FMINNUM %0, %1
+
+    ; minnum vv
+    %6:vgpr(s32) = G_FMINNUM %1, %2
+
+    G_STORE %4, %3 :: (store 4, addrspace 1)
+    G_STORE %5, %3 :: (store 4, addrspace 1)
+    G_STORE %6, %3 :: (store 4, addrspace 1)
+
+    ; 64-bit
+
+    ; minnum vs
+    %14:vgpr(s64) = G_FMINNUM %10, %11
+
+    ; minnum sv
+    %15:vgpr(s64) = G_FMINNUM %11, %10
+
+    ; minnum vv
+    %16:vgpr(s64) = G_FMINNUM %11, %12
+
+    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
+...
+
+---
+name: fminnum_f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fminnum_f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FMINNUM:%[0-9]+]]:vgpr(s16) = G_FMINNUM [[TRUNC]], [[TRUNC1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMINNUM]](s16)
+    ; GFX8-LABEL: name: fminnum_f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    ; GFX9-LABEL: name: fminnum_f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FMINNUM %2, %3
+    S_ENDPGM 0, implicit %4
+...
+
+---
+name: fminnum_v2f16_vv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1
+
+    ; GFX7-LABEL: name: fminnum_v2f16_vv
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX7: [[FMINNUM:%[0-9]+]]:vgpr(<2 x s16>) = G_FMINNUM [[COPY]], [[COPY1]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMINNUM]](<2 x s16>)
+    ; GFX8-LABEL: name: fminnum_v2f16_vv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX8: [[FMINNUM:%[0-9]+]]:vgpr(<2 x s16>) = G_FMINNUM [[COPY]], [[COPY1]]
+    ; GFX8: S_ENDPGM 0, implicit [[FMINNUM]](<2 x s16>)
+    ; GFX9-LABEL: name: fminnum_v2f16_vv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; GFX9: [[FMINNUM:%[0-9]+]]:vgpr(<2 x s16>) = G_FMINNUM [[COPY]], [[COPY1]]
+    ; GFX9: S_ENDPGM 0, implicit [[FMINNUM]](<2 x s16>)
+    %0:vgpr(<2 x s16>) = COPY $vgpr0
+    %1:vgpr(<2 x s16>) = COPY $vgpr1
+    %2:vgpr(<2 x s16>) = G_FMINNUM %0, %1
+    S_ENDPGM 0, implicit %2
+...
+
+---
+name: fminnum_f16_v_fneg_v
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; GFX7-LABEL: name: fminnum_f16_v_fneg_v
+    ; GFX7: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; GFX7: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; GFX7: [[TRUNC:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY]](s32)
+    ; GFX7: [[TRUNC1:%[0-9]+]]:vgpr(s16) = G_TRUNC [[COPY1]](s32)
+    ; GFX7: [[FNEG:%[0-9]+]]:vgpr(s16) = G_FNEG [[TRUNC1]]
+    ; GFX7: [[FMINNUM:%[0-9]+]]:vgpr(s16) = G_FMINNUM [[TRUNC]], [[FNEG]]
+    ; GFX7: S_ENDPGM 0, implicit [[FMINNUM]](s16)
+    ; GFX8-LABEL: name: fminnum_f16_v_fneg_v
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    ; GFX9-LABEL: name: fminnum_f16_v_fneg_v
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[V_MIN_F16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_F16_e64 0, [[COPY]], 1, [[COPY1]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_F16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s16) = G_TRUNC %0
+    %3:vgpr(s16) = G_TRUNC %1
+    %4:vgpr(s16) = G_FNEG %3
+    %5:vgpr(s16) = G_FMINNUM %2, %4
+    S_ENDPGM 0, implicit %5
+...
diff --git a/test/CodeGen/AMDGPU/GlobalISel/inst-select-maxnum.mir b/test/CodeGen/AMDGPU/GlobalISel/inst-select-maxnum.mir
deleted file mode 100644
index e8a3f6f0434..00000000000
--- a/test/CodeGen/AMDGPU/GlobalISel/inst-select-maxnum.mir
+++ /dev/null
@@ -1,60 +0,0 @@
-# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs -o - %s | FileCheck %s -check-prefixes=GCN
-
----
-
-name:            maxnum
-legalized:       true
-regBankSelected: true
-
-# GCN-LABEL: name: maxnum
-body: |
-  bb.0:
-    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
-    ; GCN: [[SGPR0:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
-    ; GCN: [[VGPR0:%[0-9]+]]:vgpr_32 = COPY $vgpr0
-    ; GCN: [[VGPR1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
-    %0:sgpr(s32) = COPY $sgpr0
-    %1:vgpr(s32) = COPY $vgpr0
-    %2:vgpr(s32) = COPY $vgpr1
-    %3:vgpr(p1) = COPY $vgpr3_vgpr4
-
-    ; GCN: [[SGPR64_0:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
-    ; GCN: [[VGPR64_0:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
-    ; GCN: [[VGPR64_1:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
-    %10:sgpr(s64) = COPY $sgpr10_sgpr11
-    %11:vgpr(s64) = COPY $vgpr10_vgpr11
-    %12:vgpr(s64) = COPY $vgpr12_vgpr13
-
-    ; maxnum vs
-    ; GCN: V_MAX_F32_e32 [[SGPR0]], [[VGPR0]]
-    %4:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %1, %0
-
-    ; maxnum sv
-    ; GCN: V_MAX_F32_e32 [[SGPR0]], [[VGPR0]]
-    %5:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
-
-    ; maxnum vv
-    ; GCN: V_MAX_F32_e32 [[VGPR0]], [[VGPR1]]
-    %6:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %1, %2
-
-    G_STORE %4, %3 :: (store 4, addrspace 1)
-    G_STORE %5, %3 :: (store 4, addrspace 1)
-    G_STORE %6, %3 :: (store 4, addrspace 1)
-
-    ; 64-bit
-
-    ; maxnum vs
-    ; GCN: V_MAX_F64 0, [[SGPR64_0]], 0, [[VGPR64_0]], 0, 0
-    %14:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.maxnum.f64), %10, %11
-
-    ; maxnum sv
-    ; GCN: V_MAX_F64 0, [[VGPR64_0]], 0, [[SGPR64_0]], 0, 0
-    %15:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.maxnum.f64), %11, %10
-
-    ; maxnum vv
-    ; GCN: V_MAX_F64 0, [[VGPR64_0]], 0, [[VGPR64_1]], 0, 0
-    %16:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.maxnum.f64), %11, %12
-
-    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
-
-...
diff --git a/test/CodeGen/AMDGPU/GlobalISel/inst-select-minnum.mir b/test/CodeGen/AMDGPU/GlobalISel/inst-select-minnum.mir
deleted file mode 100644
index 296888df8fb..00000000000
--- a/test/CodeGen/AMDGPU/GlobalISel/inst-select-minnum.mir
+++ /dev/null
@@ -1,59 +0,0 @@
-# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs -o - %s  | FileCheck %s -check-prefixes=GCN
-
----
-
-name:            minnum
-legalized:       true
-regBankSelected: true
-
-# GCN-LABEL: name: minnum
-body: |
-  bb.0:
-    liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr3_vgpr4, $sgpr10_sgpr11, $vgpr10_vgpr11, $vgpr12_vgpr13
-    ; GCN: [[SGPR0:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0
-    ; GCN: [[VGPR0:%[0-9]+]]:vgpr_32 = COPY $vgpr0
-    ; GCN: [[VGPR1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
-    %0:sgpr(s32) = COPY $sgpr0
-    %1:vgpr(s32) = COPY $vgpr0
-    %2:vgpr(s32) = COPY $vgpr1
-    %3:vgpr(p1) = COPY $vgpr3_vgpr4
-
-    ; GCN: [[SGPR64_0:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
-    ; GCN: [[VGPR64_0:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
-    ; GCN: [[VGPR64_1:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
-    %10:sgpr(s64) = COPY $sgpr10_sgpr11
-    %11:vgpr(s64) = COPY $vgpr10_vgpr11
-    %12:vgpr(s64) = COPY $vgpr12_vgpr13
-
-    ; minnum vs
-    ; GCN: V_MIN_F32_e32 [[SGPR0]], [[VGPR0]]
-    %4:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.minnum.f32), %1, %0
-
-    ; minnum sv
-    ; GCN: V_MIN_F32_e32 [[SGPR0]], [[VGPR0]]
-    %5:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.minnum.f32), %0, %1
-
-    ; minnum vv
-    ; GCN: V_MIN_F32_e32 [[VGPR0]], [[VGPR1]]
-    %6:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.minnum.f32), %1, %2
-
-    G_STORE %4, %3 :: (store 4, addrspace 1)
-    G_STORE %5, %3 :: (store 4, addrspace 1)
-    G_STORE %6, %3 :: (store 4, addrspace 1)
-
-    ; 64-bit
-
-    ; minnum vs
-    ; GCN: V_MIN_F64 0, [[SGPR64_0]], 0, [[VGPR64_0]], 0, 0
-    %14:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.minnum.f64), %10, %11
-
-    ; minnum sv
-    ; GCN: V_MIN_F64 0, [[VGPR64_0]], 0, [[SGPR64_0]], 0, 0
-    %15:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.minnum.f64), %11, %10
-
-    ; minnum vv
-    ; GCN: V_MIN_F64 0, [[VGPR64_0]], 0, [[VGPR64_1]], 0, 0
-    %16:vgpr(s64) = G_INTRINSIC intrinsic(@llvm.minnum.f64), %11, %12
-
-    S_ENDPGM 0, implicit %14, implicit %15, implicit %16
-...
diff --git a/test/CodeGen/AMDGPU/GlobalISel/regbankselect-maxnum.mir b/test/CodeGen/AMDGPU/GlobalISel/regbankselect-maxnum.mir
deleted file mode 100644
index 339ba6630dc..00000000000
--- a/test/CodeGen/AMDGPU/GlobalISel/regbankselect-maxnum.mir
+++ /dev/null
@@ -1,66 +0,0 @@
-# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
-# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
-
----
-name: maxnum_ss
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $sgpr0, $sgpr1
-    ; CHECK-LABEL: name: maxnum_ss
-    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
-    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY]](s32), [[COPY2]](s32)
-    %0:_(s32) = COPY $sgpr0
-    %1:_(s32) = COPY $sgpr1
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
-...
----
-name: maxnum_sv
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: maxnum_sv
-    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY]](s32), [[COPY1]](s32)
-    %0:_(s32) = COPY $sgpr0
-    %1:_(s32) = COPY $vgpr0
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
-...
----
-name: maxnum_vs
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: maxnum_vs
-    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY1]](s32), [[COPY2]](s32)
-    %0:_(s32) = COPY $sgpr0
-    %1:_(s32) = COPY $vgpr0
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %1, %0
-...
----
-name: maxnum_vv
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $vgpr0, $vgpr1
-    ; CHECK-LABEL: name: maxnum_vv
-    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY]](s32), [[COPY1]](s32)
-    %0:_(s32) = COPY $vgpr0
-    %1:_(s32) = COPY $vgpr1
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
-...
diff --git a/test/CodeGen/AMDGPU/GlobalISel/regbankselect-minnum.mir b/test/CodeGen/AMDGPU/GlobalISel/regbankselect-minnum.mir
deleted file mode 100644
index c39cfcfd035..00000000000
--- a/test/CodeGen/AMDGPU/GlobalISel/regbankselect-minnum.mir
+++ /dev/null
@@ -1,66 +0,0 @@
-# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
-# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
-
----
-name: minnum_ss
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $sgpr0, $sgpr1
-    ; CHECK-LABEL: name: minnum_ss
-    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
-    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.minnum), [[COPY]](s32), [[COPY2]](s32)
-    %0:_(s32) = COPY $sgpr0
-    %1:_(s32) = COPY $sgpr1
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.minnum.f32), %0, %1
-...
----
-name: minnum_sv
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: minnum_sv
-    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.minnum), [[COPY]](s32), [[COPY1]](s32)
-    %0:_(s32) = COPY $sgpr0
-    %1:_(s32) = COPY $vgpr0
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.minnum.f32), %0, %1
-...
----
-name: minnum_vs
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: minnum_vs
-    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.minnum), [[COPY1]](s32), [[COPY2]](s32)
-    %0:_(s32) = COPY $sgpr0
-    %1:_(s32) = COPY $vgpr0
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.minnum.f32), %1, %0
-...
----
-name: minnum_vv
-legalized: true
-
-body: |
-  bb.0:
-    liveins: $vgpr0, $vgpr1
-    ; CHECK-LABEL: name: minnum_vv
-    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
-    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
-    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.minnum), [[COPY]](s32), [[COPY1]](s32)
-    %0:_(s32) = COPY $vgpr0
-    %1:_(s32) = COPY $vgpr1
-    %2:_(s32) = G_INTRINSIC intrinsic(@llvm.minnum.f32), %0, %1
-...