Mercurial > hg > CbC > CbC_llvm
diff test/Transforms/InstCombine/round.ll @ 77:54457678186b LLVM3.6
LLVM 3.6
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 08 Sep 2014 22:06:00 +0900 |
| parents | |
| children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/Transforms/InstCombine/round.ll Mon Sep 08 22:06:00 2014 +0900 @@ -0,0 +1,90 @@ +; RUN: opt -S -instcombine < %s | FileCheck %s + +declare float @llvm.round.f32(float) #0 +declare double @llvm.round.f64(double) #0 + +; CHECK-LABEL: @constant_fold_round_f32_01 +; CHECK-NEXT: ret float 1.000000e+00 +define float @constant_fold_round_f32_01() #0 { + %x = call float @llvm.round.f32(float 1.25) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_round_f32_02 +; CHECK-NEXT: ret float -1.000000e+00 +define float @constant_fold_round_f32_02() #0 { + %x = call float @llvm.round.f32(float -1.25) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_round_f32_03 +; CHECK-NEXT: ret float 2.000000e+00 +define float @constant_fold_round_f32_03() #0 { + %x = call float @llvm.round.f32(float 1.5) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_round_f32_04 +; CHECK-NEXT: ret float -2.000000e+00 +define float @constant_fold_round_f32_04() #0 { + %x = call float @llvm.round.f32(float -1.5) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_round_f32_05 +; CHECK-NEXT: ret float 3.000000e+00 +define float @constant_fold_round_f32_05() #0 { + %x = call float @llvm.round.f32(float 2.75) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_round_f32_06 +; CHECK-NEXT: ret float -3.000000e+00 +define float @constant_fold_round_f32_06() #0 { + %x = call float @llvm.round.f32(float -2.75) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_round_f64_01 +; CHECK-NEXT: ret double 1.000000e+00 +define double @constant_fold_round_f64_01() #0 { + %x = call double @llvm.round.f64(double 1.3) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_round_f64_02 +; CHECK-NEXT: ret double -1.000000e+00 +define double @constant_fold_round_f64_02() #0 { + %x = call double @llvm.round.f64(double -1.3) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_round_f64_03 +; CHECK-NEXT: ret double 2.000000e+00 +define double @constant_fold_round_f64_03() #0 { + %x = call double @llvm.round.f64(double 1.5) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_round_f64_04 +; CHECK-NEXT: ret double -2.000000e+00 +define double @constant_fold_round_f64_04() #0 { + %x = call double @llvm.round.f64(double -1.5) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_round_f64_05 +; CHECK-NEXT: ret double 3.000000e+00 +define double @constant_fold_round_f64_05() #0 { + %x = call double @llvm.round.f64(double 2.7) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_round_f64_06 +; CHECK-NEXT: ret double -3.000000e+00 +define double @constant_fold_round_f64_06() #0 { + %x = call double @llvm.round.f64(double -2.7) #0 + ret double %x +} + +attributes #0 = { nounwind readnone }