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eb7943100b
This adds an SimplifyLibCalls case which converts the special __sinpi and __cospi (float & double variants) into a __sincospi_stret where appropriate to remove duplicated work. Patch by Tim Northover llvm-svn: 193943
92 lines
3.8 KiB
LLVM
92 lines
3.8 KiB
LLVM
; RUN: opt -instcombine -S < %s -mtriple=x86_64-apple-macosx10.9 | FileCheck %s --check-prefix=CHECK-FLOAT-IN-VEC
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; RUN: opt -instcombine -S < %s -mtriple=arm-apple-ios7.0 | FileCheck %s
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; RUN: opt -instcombine -S < %s -mtriple=x86_64-apple-macosx10.8 | FileCheck %s --check-prefix=CHECK-NO-SINCOS
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; RUN: opt -instcombine -S < %s -mtriple=arm-apple-ios6.0 | FileCheck %s --check-prefix=CHECK-NO-SINCOS
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; RUN: opt -instcombine -S < %s -mtriple=x86_64-none-linux-gnu | FileCheck %s --check-prefix=CHECK-NO-SINCOS
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attributes #0 = { readnone nounwind }
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declare float @__sinpif(float %x) #0
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declare float @__cospif(float %x) #0
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declare double @__sinpi(double %x) #0
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declare double @__cospi(double %x) #0
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@var32 = global float 0.0
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@var64 = global double 0.0
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define float @test_instbased_f32() {
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%val = load float* @var32
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%sin = call float @__sinpif(float %val) #0
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%cos = call float @__cospif(float %val) #0
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%res = fadd float %sin, %cos
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ret float %res
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; CHECK-FLOAT-IN-VEC: [[VAL:%[a-z0-9]+]] = load float* @var32
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; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call <2 x float> @__sincospi_stretf(float [[VAL]])
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; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 0
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; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 1
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; CHECK: [[VAL:%[a-z0-9]+]] = load float* @var32
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; CHECK: [[SINCOS:%[a-z0-9]+]] = call { float, float } @__sincospi_stretf(float [[VAL]])
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; CHECK: extractvalue { float, float } [[SINCOS]], 0
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; CHECK: extractvalue { float, float } [[SINCOS]], 1
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; CHECK-NO-SINCOS: call float @__sinpif
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; CHECK-NO-SINCOS: call float @__cospif
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}
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define float @test_constant_f32() {
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%sin = call float @__sinpif(float 1.0) #0
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%cos = call float @__cospif(float 1.0) #0
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%res = fadd float %sin, %cos
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ret float %res
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; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call <2 x float> @__sincospi_stretf(float 1.000000e+00)
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; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 0
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; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 1
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; CHECK: [[SINCOS:%[a-z0-9]+]] = call { float, float } @__sincospi_stretf(float 1.000000e+00)
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; CHECK: extractvalue { float, float } [[SINCOS]], 0
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; CHECK: extractvalue { float, float } [[SINCOS]], 1
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; CHECK-NO-SINCOS: call float @__sinpif
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; CHECK-NO-SINCOS: call float @__cospif
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}
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define double @test_instbased_f64() {
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%val = load double* @var64
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%sin = call double @__sinpi(double %val) #0
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%cos = call double @__cospi(double %val) #0
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%res = fadd double %sin, %cos
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ret double %res
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; CHECK-FLOAT-IN-VEC: [[VAL:%[a-z0-9]+]] = load double* @var64
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; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double [[VAL]])
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; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 0
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; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 1
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; CHECK: [[VAL:%[a-z0-9]+]] = load double* @var64
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; CHECK: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double [[VAL]])
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; CHECK: extractvalue { double, double } [[SINCOS]], 0
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; CHECK: extractvalue { double, double } [[SINCOS]], 1
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; CHECK-NO-SINCOS: call double @__sinpi
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; CHECK-NO-SINCOS: call double @__cospi
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}
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define double @test_constant_f64() {
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%sin = call double @__sinpi(double 1.0) #0
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%cos = call double @__cospi(double 1.0) #0
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%res = fadd double %sin, %cos
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ret double %res
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; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double 1.000000e+00)
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; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 0
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; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 1
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; CHECK: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double 1.000000e+00)
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; CHECK: extractvalue { double, double } [[SINCOS]], 0
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; CHECK: extractvalue { double, double } [[SINCOS]], 1
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; CHECK-NO-SINCOS: call double @__sinpi
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; CHECK-NO-SINCOS: call double @__cospi
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}
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