1; RUN: llc < %s -mtriple=x86_64-- -debug 2>&1 | FileCheck %s 2; REQUIRES: asserts 3 4declare float @llvm.pow.f32(float, float) 5declare <4 x float> @llvm.pow.v4f32(<4 x float>, <4 x float>) 6declare double @llvm.pow.f64(double, double) 7declare <2 x double> @llvm.pow.v2f64(<2 x double>, <2 x double>) 8 9define float @pow_f32_three_fourth_fmf(float %x) nounwind { 10; CHECK: Combining: {{.*}}: f32 = fpow ninf nsz afn [[X:t[0-9]+]], ConstantFP:f32<7.500000e-01> 11; CHECK-NEXT: Creating new node: [[SQRT:t[0-9]+]]: f32 = fsqrt ninf nsz afn [[X]] 12; CHECK-NEXT: Creating new node: [[SQRTSQRT:t[0-9]+]]: f32 = fsqrt ninf nsz afn [[SQRT]] 13; CHECK-NEXT: Creating new node: [[R:t[0-9]+]]: f32 = fmul ninf nsz afn [[SQRT]], [[SQRTSQRT]] 14; CHECK-NEXT: ... into: [[R]]: f32 = fmul ninf nsz afn [[SQRT]], [[SQRTSQRT]] 15 %r = call nsz ninf afn float @llvm.pow.f32(float %x, float 7.5e-01) 16 ret float %r 17} 18 19define double @pow_f64_three_fourth_fmf(double %x) nounwind { 20; CHECK: Combining: {{.*}}: f64 = fpow ninf nsz afn [[X:t[0-9]+]], ConstantFP:f64<7.500000e-01> 21; CHECK-NEXT: Creating new node: [[SQRT:t[0-9]+]]: f64 = fsqrt ninf nsz afn [[X]] 22; CHECK-NEXT: Creating new node: [[SQRTSQRT:t[0-9]+]]: f64 = fsqrt ninf nsz afn [[SQRT]] 23; CHECK-NEXT: Creating new node: [[R:t[0-9]+]]: f64 = fmul ninf nsz afn [[SQRT]], [[SQRTSQRT]] 24; CHECK-NEXT: ... into: [[R]]: f64 = fmul ninf nsz afn [[SQRT]], [[SQRTSQRT]] 25 %r = call nsz ninf afn double @llvm.pow.f64(double %x, double 7.5e-01) 26 ret double %r 27} 28 29define <4 x float> @pow_v4f32_three_fourth_fmf(<4 x float> %x) nounwind { 30; CHECK: Combining: {{.*}}: v4f32 = fpow nnan ninf nsz arcp contract afn reassoc [[X:t[0-9]+]], {{.*}} 31; CHECK-NEXT: Creating new node: [[SQRT:t[0-9]+]]: v4f32 = fsqrt nnan ninf nsz arcp contract afn reassoc [[X]] 32; CHECK-NEXT: Creating new node: [[SQRTSQRT:t[0-9]+]]: v4f32 = fsqrt nnan ninf nsz arcp contract afn reassoc [[SQRT]] 33; CHECK-NEXT: Creating new node: [[R:t[0-9]+]]: v4f32 = fmul nnan ninf nsz arcp contract afn reassoc [[SQRT]], [[SQRTSQRT]] 34; CHECK-NEXT: ... into: [[R]]: v4f32 = fmul nnan ninf nsz arcp contract afn reassoc [[SQRT]], [[SQRTSQRT]] 35 %r = call fast <4 x float> @llvm.pow.v4f32(<4 x float> %x, <4 x float> <float 7.5e-1, float 7.5e-1, float 7.5e-01, float 7.5e-01>) 36 ret <4 x float> %r 37} 38 39define <2 x double> @pow_v2f64_three_fourth_fmf(<2 x double> %x) nounwind { 40; CHECK: Combining: {{.*}}: v2f64 = fpow nnan ninf nsz arcp contract afn reassoc [[X:t[0-9]+]], {{.*}} 41; CHECK-NEXT: Creating new node: [[SQRT:t[0-9]+]]: v2f64 = fsqrt nnan ninf nsz arcp contract afn reassoc [[X]] 42; CHECK-NEXT: Creating new node: [[SQRTSQRT:t[0-9]+]]: v2f64 = fsqrt nnan ninf nsz arcp contract afn reassoc [[SQRT]] 43; CHECK-NEXT: Creating new node: [[R:t[0-9]+]]: v2f64 = fmul nnan ninf nsz arcp contract afn reassoc [[SQRT]], [[SQRTSQRT]] 44; CHECK-NEXT: ... into: [[R]]: v2f64 = fmul nnan ninf nsz arcp contract afn reassoc [[SQRT]], [[SQRTSQRT]] 45 %r = call fast <2 x double> @llvm.pow.v2f64(<2 x double> %x, <2 x double> <double 7.5e-1, double 7.5e-1>) 46 ret <2 x double> %r 47} 48