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| -rw-r--r-- | llvm/test/Transforms/InstCombine/pow-cbrt.ll | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/pow-cbrt.ll b/llvm/test/Transforms/InstCombine/pow-cbrt.ll new file mode 100644 index 00000000000..00fa510b04e --- /dev/null +++ b/llvm/test/Transforms/InstCombine/pow-cbrt.ll @@ -0,0 +1,117 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -instcombine -S | FileCheck %s + +define double @pow_intrinsic_third_fast(double %x) { +; CHECK-LABEL: @pow_intrinsic_third_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast double @llvm.pow.f64(double [[X:%.*]], double 0x3FD5555555555555) +; CHECK-NEXT: ret double [[POW]] +; + %pow = call fast double @llvm.pow.f64(double %x, double 0x3fd5555555555555) + ret double %pow +} + +define float @powf_intrinsic_third_fast(float %x) { +; CHECK-LABEL: @powf_intrinsic_third_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast float @llvm.pow.f32(float [[X:%.*]], float 0x3FD5555560000000) +; CHECK-NEXT: ret float [[POW]] +; + %pow = call fast float @llvm.pow.f32(float %x, float 0x3fd5555560000000) + ret float %pow +} + +define double @pow_intrinsic_third_approx(double %x) { +; CHECK-LABEL: @pow_intrinsic_third_approx( +; CHECK-NEXT: [[POW:%.*]] = call afn double @llvm.pow.f64(double [[X:%.*]], double 0x3FD5555555555555) +; CHECK-NEXT: ret double [[POW]] +; + %pow = call afn double @llvm.pow.f64(double %x, double 0x3fd5555555555555) + ret double %pow +} + +define float @powf_intrinsic_third_approx(float %x) { +; CHECK-LABEL: @powf_intrinsic_third_approx( +; CHECK-NEXT: [[POW:%.*]] = call afn float @llvm.pow.f32(float [[X:%.*]], float 0x3FD5555560000000) +; CHECK-NEXT: ret float [[POW]] +; + %pow = call afn float @llvm.pow.f32(float %x, float 0x3fd5555560000000) + ret float %pow +} + +define double @pow_libcall_third_fast(double %x) { +; CHECK-LABEL: @pow_libcall_third_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast double @pow(double [[X:%.*]], double 0x3FD5555555555555) +; CHECK-NEXT: ret double [[POW]] +; + %pow = call fast double @pow(double %x, double 0x3fd5555555555555) + ret double %pow +} + +define float @powf_libcall_third_fast(float %x) { +; CHECK-LABEL: @powf_libcall_third_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast float @powf(float [[X:%.*]], float 0x3FD5555560000000) +; CHECK-NEXT: ret float [[POW]] +; + %pow = call fast float @powf(float %x, float 0x3fd5555560000000) + ret float %pow +} + +define double @pow_intrinsic_negthird_fast(double %x) { +; CHECK-LABEL: @pow_intrinsic_negthird_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast double @llvm.pow.f64(double [[X:%.*]], double 0xBFD5555555555555) +; CHECK-NEXT: ret double [[POW]] +; + %pow = call fast double @llvm.pow.f64(double %x, double 0xbfd5555555555555) + ret double %pow +} + +define float @powf_intrinsic_negthird_fast(float %x) { +; CHECK-LABEL: @powf_intrinsic_negthird_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast float @llvm.pow.f32(float [[X:%.*]], float 0xBFD5555560000000) +; CHECK-NEXT: ret float [[POW]] +; + %pow = call fast float @llvm.pow.f32(float %x, float 0xbfd5555560000000) + ret float %pow +} + +define double @pow_intrinsic_negthird_approx(double %x) { +; CHECK-LABEL: @pow_intrinsic_negthird_approx( +; CHECK-NEXT: [[POW:%.*]] = call afn double @llvm.pow.f64(double [[X:%.*]], double 0xBFD5555555555555) +; CHECK-NEXT: ret double [[POW]] +; + %pow = call afn double @llvm.pow.f64(double %x, double 0xbfd5555555555555) + ret double %pow +} + +define float @powf_intrinsic_negthird_approx(float %x) { +; CHECK-LABEL: @powf_intrinsic_negthird_approx( +; CHECK-NEXT: [[POW:%.*]] = call afn float @llvm.pow.f32(float [[X:%.*]], float 0xBFD5555560000000) +; CHECK-NEXT: ret float [[POW]] +; + %pow = call afn float @llvm.pow.f32(float %x, float 0xbfd5555560000000) + ret float %pow +} + +define double @pow_libcall_negthird_fast(double %x) { +; CHECK-LABEL: @pow_libcall_negthird_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast double @pow(double [[X:%.*]], double 0xBFD5555555555555) +; CHECK-NEXT: ret double [[POW]] +; + %pow = call fast double @pow(double %x, double 0xbfd5555555555555) + ret double %pow +} + +define float @powf_libcall_negthird_fast(float %x) { +; CHECK-LABEL: @powf_libcall_negthird_fast( +; CHECK-NEXT: [[POW:%.*]] = call fast float @powf(float [[X:%.*]], float 0xBFD5555560000000) +; CHECK-NEXT: ret float [[POW]] +; + %pow = call fast float @powf(float %x, float 0xbfd5555560000000) + ret float %pow +} + +declare double @llvm.pow.f64(double, double) #0 +declare float @llvm.pow.f32(float, float) #0 +declare double @pow(double, double) +declare float @powf(float, float) + +attributes #0 = { nounwind readnone speculatable } |
