derek.holloway
7502bf64a4
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118 lines
4.2 KiB
LLVM
118 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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define double @pow_intrinsic_third_fast(double %x) {
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; CHECK-LABEL: @pow_intrinsic_third_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast double @llvm.pow.f64(double [[X:%.*]], double f0x3FD5555555555555)
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; CHECK-NEXT: ret double [[POW]]
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;
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%pow = call fast double @llvm.pow.f64(double %x, double 0x3fd5555555555555)
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ret double %pow
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}
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define float @powf_intrinsic_third_fast(float %x) {
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; CHECK-LABEL: @powf_intrinsic_third_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast float @llvm.pow.f32(float [[X:%.*]], float f0x3EAAAAAB)
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; CHECK-NEXT: ret float [[POW]]
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;
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%pow = call fast float @llvm.pow.f32(float %x, float 0x3fd5555560000000)
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ret float %pow
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}
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define double @pow_intrinsic_third_approx(double %x) {
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; CHECK-LABEL: @pow_intrinsic_third_approx(
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; CHECK-NEXT: [[POW:%.*]] = call afn double @llvm.pow.f64(double [[X:%.*]], double f0x3FD5555555555555)
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; CHECK-NEXT: ret double [[POW]]
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;
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%pow = call afn double @llvm.pow.f64(double %x, double 0x3fd5555555555555)
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ret double %pow
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}
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define float @powf_intrinsic_third_approx(float %x) {
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; CHECK-LABEL: @powf_intrinsic_third_approx(
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; CHECK-NEXT: [[POW:%.*]] = call afn float @llvm.pow.f32(float [[X:%.*]], float f0x3EAAAAAB)
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; CHECK-NEXT: ret float [[POW]]
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;
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%pow = call afn float @llvm.pow.f32(float %x, float 0x3fd5555560000000)
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ret float %pow
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}
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define double @pow_libcall_third_fast(double %x) {
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; CHECK-LABEL: @pow_libcall_third_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast double @pow(double [[X:%.*]], double f0x3FD5555555555555)
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; CHECK-NEXT: ret double [[POW]]
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;
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%pow = call fast double @pow(double %x, double 0x3fd5555555555555)
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ret double %pow
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}
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define float @powf_libcall_third_fast(float %x) {
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; CHECK-LABEL: @powf_libcall_third_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast float @powf(float [[X:%.*]], float f0x3EAAAAAB)
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; CHECK-NEXT: ret float [[POW]]
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;
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%pow = call fast float @powf(float %x, float 0x3fd5555560000000)
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ret float %pow
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}
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define double @pow_intrinsic_negthird_fast(double %x) {
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; CHECK-LABEL: @pow_intrinsic_negthird_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast double @llvm.pow.f64(double [[X:%.*]], double f0xBFD5555555555555)
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; CHECK-NEXT: ret double [[POW]]
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;
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%pow = call fast double @llvm.pow.f64(double %x, double 0xbfd5555555555555)
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ret double %pow
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}
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define float @powf_intrinsic_negthird_fast(float %x) {
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; CHECK-LABEL: @powf_intrinsic_negthird_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast float @llvm.pow.f32(float [[X:%.*]], float f0xBEAAAAAB)
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; CHECK-NEXT: ret float [[POW]]
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;
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%pow = call fast float @llvm.pow.f32(float %x, float 0xbfd5555560000000)
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ret float %pow
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}
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define double @pow_intrinsic_negthird_approx(double %x) {
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; CHECK-LABEL: @pow_intrinsic_negthird_approx(
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; CHECK-NEXT: [[POW:%.*]] = call afn double @llvm.pow.f64(double [[X:%.*]], double f0xBFD5555555555555)
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; CHECK-NEXT: ret double [[POW]]
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;
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%pow = call afn double @llvm.pow.f64(double %x, double 0xbfd5555555555555)
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ret double %pow
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}
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define float @powf_intrinsic_negthird_approx(float %x) {
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; CHECK-LABEL: @powf_intrinsic_negthird_approx(
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; CHECK-NEXT: [[POW:%.*]] = call afn float @llvm.pow.f32(float [[X:%.*]], float f0xBEAAAAAB)
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; CHECK-NEXT: ret float [[POW]]
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;
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%pow = call afn float @llvm.pow.f32(float %x, float 0xbfd5555560000000)
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ret float %pow
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}
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define double @pow_libcall_negthird_fast(double %x) {
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; CHECK-LABEL: @pow_libcall_negthird_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast double @pow(double [[X:%.*]], double f0xBFD5555555555555)
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; CHECK-NEXT: ret double [[POW]]
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;
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%pow = call fast double @pow(double %x, double 0xbfd5555555555555)
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ret double %pow
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}
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define float @powf_libcall_negthird_fast(float %x) {
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; CHECK-LABEL: @powf_libcall_negthird_fast(
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; CHECK-NEXT: [[POW:%.*]] = call fast float @powf(float [[X:%.*]], float f0xBEAAAAAB)
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; CHECK-NEXT: ret float [[POW]]
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;
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%pow = call fast float @powf(float %x, float 0xbfd5555560000000)
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ret float %pow
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}
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declare double @llvm.pow.f64(double, double) #0
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declare float @llvm.pow.f32(float, float) #0
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declare double @pow(double, double)
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declare float @powf(float, float)
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attributes #0 = { nounwind readnone speculatable }
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