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| author | Karthik Bhat <kv.bhat@samsung.com> | 2014-03-24 04:36:06 +0000 |
|---|---|---|
| committer | Karthik Bhat <kv.bhat@samsung.com> | 2014-03-24 04:36:06 +0000 |
| commit | 07707e8969a3936f216874f314c5f8ceaa594a90 (patch) | |
| tree | 0e17963b0f0428dae19aa864408eeb847268524b /test | |
| parent | 0259b8e14f73232d7bdc11641608ac996779c2b3 (diff) | |
| download | llvm-07707e8969a3936f216874f314c5f8ceaa594a90.tar.gz llvm-07707e8969a3936f216874f314c5f8ceaa594a90.tar.bz2 llvm-07707e8969a3936f216874f314c5f8ceaa594a90.tar.xz | |
Allow constant folding of ceil function whenever feasible
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204583 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/ceil.ll | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/ceil.ll b/test/Transforms/InstCombine/ceil.ll new file mode 100644 index 0000000000..9f965a3c34 --- /dev/null +++ b/test/Transforms/InstCombine/ceil.ll @@ -0,0 +1,56 @@ +; RUN: opt -S -instcombine < %s | FileCheck %s + +declare float @llvm.ceil.f32(float) #0 +declare double @llvm.ceil.f64(double) #0 +declare <4 x float> @llvm.ceil.v4f32(<4 x float>) #0 + +; CHECK-LABEL: @constant_fold_ceil_f32_01 +; CHECK-NEXT: ret float 1.000000e+00 +define float @constant_fold_ceil_f32_01() #0 { + %x = call float @llvm.ceil.f32(float 1.00) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_ceil_f32_02 +; CHECK-NEXT: ret float 2.000000e+00 +define float @constant_fold_ceil_f32_02() #0 { + %x = call float @llvm.ceil.f32(float 1.25) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_ceil_f32_03 +; CHECK-NEXT: ret float -1.000000e+00 +define float @constant_fold_ceil_f32_03() #0 { + %x = call float @llvm.ceil.f32(float -1.25) #0 + ret float %x +} + +; CHECK-LABEL: @constant_fold_ceil_v4f32_01 +; CHECK-NEXT: ret <4 x float> <float 1.000000e+00, float 2.000000e+00, float -1.000000e+00, float -1.000000e+00> +define <4 x float> @constant_fold_ceil_v4f32_01() #0 { + %x = call <4 x float> @llvm.ceil.v4f32(<4 x float> <float 1.00, float 1.25, float -1.25, float -1.00>) + ret <4 x float> %x +} + +; CHECK-LABEL: @constant_fold_ceil_f64_01 +; CHECK-NEXT: ret double 1.000000e+00 +define double @constant_fold_ceil_f64_01() #0 { + %x = call double @llvm.ceil.f64(double 1.0) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_ceil_f64_02 +; CHECK-NEXT: ret double 2.000000e+00 +define double @constant_fold_ceil_f64_02() #0 { + %x = call double @llvm.ceil.f64(double 1.3) #0 + ret double %x +} + +; CHECK-LABEL: @constant_fold_ceil_f64_03 +; CHECK-NEXT: ret double -1.000000e+00 +define double @constant_fold_ceil_f64_03() #0 { + %x = call double @llvm.ceil.f64(double -1.75) #0 + ret double %x +} + +attributes #0 = { nounwind readnone } |