diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/constant-fold-math.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/constant-fold-math.ll b/test/Transforms/InstCombine/constant-fold-math.ll new file mode 100644 index 0000000000..00fceb1915 --- /dev/null +++ b/test/Transforms/InstCombine/constant-fold-math.ll @@ -0,0 +1,39 @@ +; RUN: opt -S -instcombine < %s | FileCheck %s + +declare float @llvm.fma.f32(float, float, float) #0 +declare float @llvm.fmuladd.f32(float, float, float) #0 + +declare double @llvm.fma.f64(double, double, double) #0 +declare double @llvm.fmuladd.f64(double, double, double) #0 + + + +; CHECK-LABEL: @constant_fold_fma_f32 +; CHECK-NEXT: ret float 6.000000e+00 +define float @constant_fold_fma_f32() #0 { + %x = call float @llvm.fma.f32(float 1.0, float 2.0, float 4.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_fmuladd_f32 +; CHECK-NEXT: ret float 6.000000e+00 +define float @constant_fold_fmuladd_f32() #0 { + %x = call float @llvm.fmuladd.f32(float 1.0, float 2.0, float 4.0) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_fma_f64 +; CHECK-NEXT: ret double 6.000000e+00 +define double @constant_fold_fma_f64() #0 { + %x = call double @llvm.fma.f64(double 1.0, double 2.0, double 4.0) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_fmuladd_f64 +; CHECK-NEXT: ret double 6.000000e+00 +define double @constant_fold_fmuladd_f64() #0 { + %x = call double @llvm.fmuladd.f64(double 1.0, double 2.0, double 4.0) #0 + ret double %x +} + +attributes #0 = { nounwind readnone } |