1 ; RUN: opt -S -instcombine < %s | FileCheck %s 2 3 declare float @llvm.fma.f32(float, float, float) #0 4 declare float @llvm.fmuladd.f32(float, float, float) #0 5 declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>) #0 6 7 declare double @llvm.fma.f64(double, double, double) #0 8 declare double @llvm.fmuladd.f64(double, double, double) #0 9 10 11 12 ; CHECK-LABEL: @constant_fold_fma_f32 13 ; CHECK-NEXT: ret float 6.000000e+00 14 define float @constant_fold_fma_f32() #0 { 15 %x = call float @llvm.fma.f32(float 1.0, float 2.0, float 4.0) #0 16 ret float %x 17 } 18 19 ; CHECK-LABEL: @constant_fold_fma_v4f32 20 ; CHECK-NEXT: ret <4 x float> <float 1.200000e+01, float 1.400000e+01, float 1.600000e+01, float 1.800000e+01> 21 define <4 x float> @constant_fold_fma_v4f32() #0 { 22 %x = call <4 x float> @llvm.fma.v4f32(<4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, <4 x float> <float 2.0, float 2.0, float 2.0, float 2.0>, <4 x float> <float 10.0, float 10.0, float 10.0, float 10.0>) 23 ret <4 x float> %x 24 } 25 26 ; CHECK-LABEL: @constant_fold_fmuladd_f32 27 ; CHECK-NEXT: ret float 6.000000e+00 28 define float @constant_fold_fmuladd_f32() #0 { 29 %x = call float @llvm.fmuladd.f32(float 1.0, float 2.0, float 4.0) #0 30 ret float %x 31 } 32 33 ; CHECK-LABEL: @constant_fold_fma_f64 34 ; CHECK-NEXT: ret double 6.000000e+00 35 define double @constant_fold_fma_f64() #0 { 36 %x = call double @llvm.fma.f64(double 1.0, double 2.0, double 4.0) #0 37 ret double %x 38 } 39 40 ; CHECK-LABEL: @constant_fold_fmuladd_f64 41 ; CHECK-NEXT: ret double 6.000000e+00 42 define double @constant_fold_fmuladd_f64() #0 { 43 %x = call double @llvm.fmuladd.f64(double 1.0, double 2.0, double 4.0) #0 44 ret double %x 45 } 46 47 attributes #0 = { nounwind readnone } 48
