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AMDGPU: Use source mods with fcanonicalize

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llvm-svn: 293654
This commit is contained in:
Matt Arsenault 2017-01-31 17:28:40 +00:00
parent 4b25039501
commit 18c6a375b8
3 changed files with 111 additions and 6 deletions
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12
lib/Target/AMDGPU/SIInstructions.td
View File

@ -1060,18 +1060,18 @@ defm : BFMPatterns <i32, S_BFM_B32, S_MOV_B32>;
def : BFEPattern <V_BFE_U32, S_MOV_B32>;
def : Pat<
(fcanonicalize f16:$src),
(V_MUL_F16_e64 0, (i32 CONST.FP16_ONE), 0, $src, 0, 0)
(fcanonicalize (f16 (VOP3Mods f16:$src, i32:$src_mods))),
(V_MUL_F16_e64 0, (i32 CONST.FP16_ONE), $src_mods, $src, 0, 0)
>;
def : Pat<
(fcanonicalize f32:$src),
(V_MUL_F32_e64 0, (i32 CONST.FP32_ONE), 0, $src, 0, 0)
(fcanonicalize (f32 (VOP3Mods f32:$src, i32:$src_mods))),
(V_MUL_F32_e64 0, (i32 CONST.FP32_ONE), $src_mods, $src, 0, 0)
>;
def : Pat<
(fcanonicalize f64:$src),
(V_MUL_F64 0, CONST.FP64_ONE, 0, $src, 0, 0)
(fcanonicalize (f64 (VOP3Mods f64:$src, i32:$src_mods))),
(V_MUL_F64 0, CONST.FP64_ONE, $src_mods, $src, 0, 0)
>;
// Allow integer inputs

35
test/CodeGen/AMDGPU/fcanonicalize.f16.ll
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@ -1,5 +1,6 @@
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
declare half @llvm.fabs.f16(half) #0
declare half @llvm.canonicalize.f16(half) #0
declare <2 x half> @llvm.fabs.v2f16(<2 x half>) #0
declare <2 x half> @llvm.canonicalize.v2f16(<2 x half>) #0
@ -24,6 +25,40 @@ define void @s_test_canonicalize_var_f16(half addrspace(1)* %out, i16 zeroext %v
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fabs_var_f16:
; GCN: v_mul_f16_e64 [[REG:v[0-9]+]], 1.0, |{{v[0-9]+}}|
; GCN: buffer_store_short [[REG]]
define void @v_test_canonicalize_fabs_var_f16(half addrspace(1)* %out) #1 {
%val = load half, half addrspace(1)* %out
%val.fabs = call half @llvm.fabs.f16(half %val)
%canonicalized = call half @llvm.canonicalize.f16(half %val.fabs)
store half %canonicalized, half addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fneg_fabs_var_f16:
; GCN: v_mul_f16_e64 [[REG:v[0-9]+]], 1.0, -|{{v[0-9]+}}|
; GCN: buffer_store_short [[REG]]
define void @v_test_canonicalize_fneg_fabs_var_f16(half addrspace(1)* %out) #1 {
%val = load half, half addrspace(1)* %out
%val.fabs = call half @llvm.fabs.f16(half %val)
%val.fabs.fneg = fsub half -0.0, %val.fabs
%canonicalized = call half @llvm.canonicalize.f16(half %val.fabs.fneg)
store half %canonicalized, half addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fneg_var_f16:
; GCN: v_mul_f16_e64 [[REG:v[0-9]+]], 1.0, -{{v[0-9]+}}
; GCN: buffer_store_short [[REG]]
define void @v_test_canonicalize_fneg_var_f16(half addrspace(1)* %out) #1 {
%val = load half, half addrspace(1)* %out
%val.fneg = fsub half -0.0, %val
%canonicalized = call half @llvm.canonicalize.f16(half %val.fneg)
store half %canonicalized, half addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_p0_f16:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
; GCN: buffer_store_short [[REG]]

70
test/CodeGen/AMDGPU/fcanonicalize.ll
View File

@ -1,6 +1,8 @@
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
declare float @llvm.fabs.f32(float) #0
declare float @llvm.canonicalize.f32(float) #0
declare double @llvm.fabs.f64(double) #0
declare double @llvm.canonicalize.f64(double) #0
; GCN-LABEL: {{^}}v_test_canonicalize_var_f32:
@ -22,6 +24,40 @@ define void @s_test_canonicalize_var_f32(float addrspace(1)* %out, float %val) #
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fabs_var_f32:
; GCN: v_mul_f32_e64 [[REG:v[0-9]+]], 1.0, |{{v[0-9]+}}|
; GCN: buffer_store_dword [[REG]]
define void @v_test_canonicalize_fabs_var_f32(float addrspace(1)* %out) #1 {
%val = load float, float addrspace(1)* %out
%val.fabs = call float @llvm.fabs.f32(float %val)
%canonicalized = call float @llvm.canonicalize.f32(float %val.fabs)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fneg_fabs_var_f32:
; GCN: v_mul_f32_e64 [[REG:v[0-9]+]], 1.0, -|{{v[0-9]+}}|
; GCN: buffer_store_dword [[REG]]
define void @v_test_canonicalize_fneg_fabs_var_f32(float addrspace(1)* %out) #1 {
%val = load float, float addrspace(1)* %out
%val.fabs = call float @llvm.fabs.f32(float %val)
%val.fabs.fneg = fsub float -0.0, %val.fabs
%canonicalized = call float @llvm.canonicalize.f32(float %val.fabs.fneg)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fneg_var_f32:
; GCN: v_mul_f32_e64 [[REG:v[0-9]+]], 1.0, -{{v[0-9]+}}
; GCN: buffer_store_dword [[REG]]
define void @v_test_canonicalize_fneg_var_f32(float addrspace(1)* %out) #1 {
%val = load float, float addrspace(1)* %out
%val.fneg = fsub float -0.0, %val
%canonicalized = call float @llvm.canonicalize.f32(float %val.fneg)
store float %canonicalized, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_p0_f32:
; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
; GCN: buffer_store_dword [[REG]]
@ -185,6 +221,40 @@ define void @s_test_canonicalize_var_f64(double addrspace(1)* %out, double %val)
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fabs_var_f64:
; GCN: v_mul_f64 [[REG:v\[[0-9]+:[0-9]+\]]], 1.0, |{{v\[[0-9]+:[0-9]+\]}}|
; GCN: buffer_store_dwordx2 [[REG]]
define void @v_test_canonicalize_fabs_var_f64(double addrspace(1)* %out) #1 {
%val = load double, double addrspace(1)* %out
%val.fabs = call double @llvm.fabs.f64(double %val)
%canonicalized = call double @llvm.canonicalize.f64(double %val.fabs)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fneg_fabs_var_f64:
; GCN: v_mul_f64 [[REG:v\[[0-9]+:[0-9]\]]], 1.0, -|{{v\[[0-9]+:[0-9]+\]}}|
; GCN: buffer_store_dwordx2 [[REG]]
define void @v_test_canonicalize_fneg_fabs_var_f64(double addrspace(1)* %out) #1 {
%val = load double, double addrspace(1)* %out
%val.fabs = call double @llvm.fabs.f64(double %val)
%val.fabs.fneg = fsub double -0.0, %val.fabs
%canonicalized = call double @llvm.canonicalize.f64(double %val.fabs.fneg)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_test_canonicalize_fneg_var_f64:
; GCN: v_mul_f64 [[REG:v\[[0-9]+:[0-9]+\]]], 1.0, -{{v\[[0-9]+:[0-9]+\]}}
; GCN: buffer_store_dwordx2 [[REG]]
define void @v_test_canonicalize_fneg_var_f64(double addrspace(1)* %out) #1 {
%val = load double, double addrspace(1)* %out
%val.fneg = fsub double -0.0, %val
%canonicalized = call double @llvm.canonicalize.f64(double %val.fneg)
store double %canonicalized, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_fold_canonicalize_p0_f64:
; GCN: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}}
; GCN: v_mov_b32_e32 v[[HI:[0-9]+]], v[[LO]]{{$}}