[InstCombine] auto-generate full checks; NFC

llvm-svn: 325639
This commit is contained in:
Sanjay Patel 2018-02-20 23:08:47 +00:00
parent 088f4690f5
commit 4f65e0d008
1 changed files with 47 additions and 41 deletions

View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; This test makes sure that the undef is propagated for the cos instrinsic
declare double @llvm.cos.f64(double %Val)
declare float @llvm.cos.f32(float %Val)
@ -8,74 +8,80 @@ declare <2 x float> @llvm.cos.v2f32(<2 x float> %Val)
declare float @llvm.fabs.f32(float %Val)
declare <2 x float> @llvm.fabs.v2f32(<2 x float> %Val)
; Function Attrs: nounwind readnone
define double @test1() {
; CHECK-LABEL: define double @test1(
; CHECK-NEXT: ret double 0.000000e+00
%1 = call double @llvm.cos.f64(double undef)
ret double %1
define double @undef_arg() {
; CHECK-LABEL: @undef_arg(
; CHECK-NEXT: ret double 0.000000e+00
;
%r = call double @llvm.cos.f64(double undef)
ret double %r
}
; Function Attrs: nounwind readnone
define float @test2(float %d) {
; CHECK-LABEL: define float @test2(
; CHECK-NEXT: %cosval = call float @llvm.cos.f32(float %d)
%cosval = call float @llvm.cos.f32(float %d)
%cosval2 = call float @llvm.cos.f32(float undef)
%fsum = fadd float %cosval2, %cosval
ret float %fsum
; CHECK-NEXT: %fsum
; CHECK: ret float %fsum
define float @undef_arg2(float %d) {
; CHECK-LABEL: @undef_arg2(
; CHECK-NEXT: [[COSVAL:%.*]] = call float @llvm.cos.f32(float [[D:%.*]])
; CHECK-NEXT: [[FSUM:%.*]] = fadd float [[COSVAL]], 0.000000e+00
; CHECK-NEXT: ret float [[FSUM]]
;
%cosval = call float @llvm.cos.f32(float %d)
%cosval2 = call float @llvm.cos.f32(float undef)
%fsum = fadd float %cosval2, %cosval
ret float %fsum
}
; CHECK-LABEL: @cos_fneg_f32(
; CHECK: %cos = call float @llvm.cos.f32(float %x)
; CHECK-NEXT: ret float %cos
define float @cos_fneg_f32(float %x) {
define float @fneg_f32(float %x) {
; CHECK-LABEL: @fneg_f32(
; CHECK-NEXT: [[COS:%.*]] = call float @llvm.cos.f32(float [[X:%.*]])
; CHECK-NEXT: ret float [[COS]]
;
%x.fneg = fsub float -0.0, %x
%cos = call float @llvm.cos.f32(float %x.fneg)
ret float %cos
}
; FIXME: m_FNeg() doesn't handle vectors
; CHECK-LABEL: @cos_fneg_v2f32(
; CHECK: %x.fneg = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %x
; CHECK-NEXT: %cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fneg)
; CHECK-NEXT: ret <2 x float> %cos
define <2 x float> @cos_fneg_v2f32(<2 x float> %x) {
define <2 x float> @fneg_v2f32(<2 x float> %x) {
; CHECK-LABEL: @fneg_v2f32(
; CHECK-NEXT: [[X_FNEG:%.*]] = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, [[X:%.*]]
; CHECK-NEXT: [[COS:%.*]] = call <2 x float> @llvm.cos.v2f32(<2 x float> [[X_FNEG]])
; CHECK-NEXT: ret <2 x float> [[COS]]
;
%x.fneg = fsub <2 x float> <float -0.0, float -0.0>, %x
%cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fneg)
ret <2 x float> %cos
}
; CHECK-LABEL: @cos_fabs_f32(
; CHECK-NEXT: %cos = call float @llvm.cos.f32(float %x)
; CHECK-NEXT: ret float %cos
define float @cos_fabs_f32(float %x) {
define float @fabs_f32(float %x) {
; CHECK-LABEL: @fabs_f32(
; CHECK-NEXT: [[COS:%.*]] = call float @llvm.cos.f32(float [[X:%.*]])
; CHECK-NEXT: ret float [[COS]]
;
%x.fabs = call float @llvm.fabs.f32(float %x)
%cos = call float @llvm.cos.f32(float %x.fabs)
ret float %cos
}
; CHECK-LABEL: @cos_fabs_fneg_f32(
; CHECK: %cos = call float @llvm.cos.f32(float %x)
; CHECK-NEXT: ret float %cos
define float @cos_fabs_fneg_f32(float %x) {
define float @fabs_fneg_f32(float %x) {
; CHECK-LABEL: @fabs_fneg_f32(
; CHECK-NEXT: [[COS:%.*]] = call float @llvm.cos.f32(float [[X:%.*]])
; CHECK-NEXT: ret float [[COS]]
;
%x.fabs = call float @llvm.fabs.f32(float %x)
%x.fabs.fneg = fsub float -0.0, %x.fabs
%cos = call float @llvm.cos.f32(float %x.fabs.fneg)
ret float %cos
}
; CHECK-LABEL: @cos_fabs_fneg_v2f32(
; CHECK: %x.fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %x)
; CHECK-NEXT: %x.fabs.fneg = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %x.fabs
; CHECK-NEXT: %cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fabs.fneg)
; CHECK-NEXT: ret <2 x float> %cos
define <2 x float> @cos_fabs_fneg_v2f32(<2 x float> %x) {
define <2 x float> @fabs_fneg_v2f32(<2 x float> %x) {
; CHECK-LABEL: @fabs_fneg_v2f32(
; CHECK-NEXT: [[X_FABS:%.*]] = call <2 x float> @llvm.fabs.v2f32(<2 x float> [[X:%.*]])
; CHECK-NEXT: [[X_FABS_FNEG:%.*]] = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, [[X_FABS]]
; CHECK-NEXT: [[COS:%.*]] = call <2 x float> @llvm.cos.v2f32(<2 x float> [[X_FABS_FNEG]])
; CHECK-NEXT: ret <2 x float> [[COS]]
;
%x.fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %x)
%x.fabs.fneg = fsub <2 x float> <float -0.0, float -0.0>, %x.fabs
%cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fabs.fneg)
ret <2 x float> %cos
}