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llvm-mirror/test/CodeGen/AMDGPU/strict_fma.f64.ll
Matt Arsenault 78fb43243c AMDGPU: Select strict_fma
Like with strict_fadd, the legalization is scalarizing the v4f16 when
it should split.
2020-06-04 17:49:00 -04:00

106 lines
5.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s
define double @v_constained_fma_f64_fpexcept_strict(double %x, double %y, double %z) #0 {
; GCN-LABEL: v_constained_fma_f64_fpexcept_strict:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], v[0:1], v[2:3], v[4:5]
; GCN-NEXT: s_setpc_b64 s[30:31]
%val = call double @llvm.experimental.constrained.fma.f64(double %x, double %y, double %z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret double %val
}
define <2 x double> @v_constained_fma_v2f64_fpexcept_strict(<2 x double> %x, <2 x double> %y, <2 x double> %z) #0 {
; GCN-LABEL: v_constained_fma_v2f64_fpexcept_strict:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], v[0:1], v[4:5], v[8:9]
; GCN-NEXT: v_fma_f64 v[2:3], v[2:3], v[6:7], v[10:11]
; GCN-NEXT: s_setpc_b64 s[30:31]
%val = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %x, <2 x double> %y, <2 x double> %z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <2 x double> %val
}
define <3 x double> @v_constained_fma_v3f64_fpexcept_strict(<3 x double> %x, <3 x double> %y, <3 x double> %z) #0 {
; GCN-LABEL: v_constained_fma_v3f64_fpexcept_strict:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], v[0:1], v[6:7], v[12:13]
; GCN-NEXT: v_fma_f64 v[2:3], v[2:3], v[8:9], v[14:15]
; GCN-NEXT: v_fma_f64 v[4:5], v[4:5], v[10:11], v[16:17]
; GCN-NEXT: s_setpc_b64 s[30:31]
%val = call <3 x double> @llvm.experimental.constrained.fma.v3f64(<3 x double> %x, <3 x double> %y, <3 x double> %z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <3 x double> %val
}
define <4 x double> @v_constained_fma_v4f64_fpexcept_strict(<4 x double> %x, <4 x double> %y, <4 x double> %z) #0 {
; GCN-LABEL: v_constained_fma_v4f64_fpexcept_strict:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], v[0:1], v[8:9], v[16:17]
; GCN-NEXT: v_fma_f64 v[2:3], v[2:3], v[10:11], v[18:19]
; GCN-NEXT: v_fma_f64 v[4:5], v[4:5], v[12:13], v[20:21]
; GCN-NEXT: v_fma_f64 v[6:7], v[6:7], v[14:15], v[22:23]
; GCN-NEXT: s_setpc_b64 s[30:31]
%val = call <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double> %x, <4 x double> %y, <4 x double> %z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <4 x double> %val
}
define double @v_constained_fma_f64_fpexcept_strict_fneg(double %x, double %y, double %z) #0 {
; GCN-LABEL: v_constained_fma_f64_fpexcept_strict_fneg:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], v[0:1], v[2:3], -v[4:5]
; GCN-NEXT: s_setpc_b64 s[30:31]
%neg.z = fneg double %z
%val = call double @llvm.experimental.constrained.fma.f64(double %x, double %y, double %neg.z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret double %val
}
define double @v_constained_fma_f64_fpexcept_strict_fneg_fneg(double %x, double %y, double %z) #0 {
; GCN-LABEL: v_constained_fma_f64_fpexcept_strict_fneg_fneg:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], -v[0:1], -v[2:3], v[4:5]
; GCN-NEXT: s_setpc_b64 s[30:31]
%neg.x = fneg double %x
%neg.y = fneg double %y
%val = call double @llvm.experimental.constrained.fma.f64(double %neg.x, double %neg.y, double %z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret double %val
}
define double @v_constained_fma_f64_fpexcept_strict_fabs_fabs(double %x, double %y, double %z) #0 {
; GCN-LABEL: v_constained_fma_f64_fpexcept_strict_fabs_fabs:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], |v[0:1]|, |v[2:3]|, v[4:5]
; GCN-NEXT: s_setpc_b64 s[30:31]
%neg.x = call double @llvm.fabs.f64(double %x)
%neg.y = call double @llvm.fabs.f64(double %y)
%val = call double @llvm.experimental.constrained.fma.f64(double %neg.x, double %neg.y, double %z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret double %val
}
define <2 x double> @v_constained_fma_v2f64_fpexcept_strict_fneg_fneg(<2 x double> %x, <2 x double> %y, <2 x double> %z) #0 {
; GCN-LABEL: v_constained_fma_v2f64_fpexcept_strict_fneg_fneg:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: v_fma_f64 v[0:1], -v[0:1], -v[4:5], v[8:9]
; GCN-NEXT: v_fma_f64 v[2:3], -v[2:3], -v[6:7], v[10:11]
; GCN-NEXT: s_setpc_b64 s[30:31]
%neg.x = fneg <2 x double> %x
%neg.y = fneg <2 x double> %y
%val = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %neg.x, <2 x double> %neg.y, <2 x double> %z, metadata !"round.tonearest", metadata !"fpexcept.strict")
ret <2 x double> %val
}
declare double @llvm.fabs.f64(double) #1
declare double @llvm.experimental.constrained.fma.f64(double, double, double, metadata, metadata) #1
declare <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double>, <2 x double>, <2 x double>, metadata, metadata) #1
declare <3 x double> @llvm.experimental.constrained.fma.v3f64(<3 x double>, <3 x double>, <3 x double>, metadata, metadata) #1
declare <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double>, <4 x double>, <4 x double>, metadata, metadata) #1
attributes #0 = { strictfp }
attributes #1 = { inaccessiblememonly nounwind willreturn }