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Diffstat (limited to 'llvm/test/CodeGen/DirectX/log.ll')
| -rw-r--r-- | llvm/test/CodeGen/DirectX/log.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/DirectX/log.ll b/llvm/test/CodeGen/DirectX/log.ll new file mode 100644 index 000000000000..172c3bfed3b7 --- /dev/null +++ b/llvm/test/CodeGen/DirectX/log.ll @@ -0,0 +1,25 @@ +; RUN: opt -S -dxil-intrinsic-expansion < %s | FileCheck %s --check-prefixes=CHECK,EXPCHECK +; RUN: opt -S -dxil-op-lower < %s | FileCheck %s --check-prefixes=CHECK,DOPCHECK + +; Make sure dxil operation function calls for log are generated. + +define noundef float @log_float(float noundef %a) #0 { +entry: +; DOPCHECK: call float @dx.op.unary.f32(i32 23, float %{{.*}}) +; EXPCHECK: call float @llvm.log2.f32(float %a) +; CHECK: fmul float 0x3FE62E4300000000, %{{.*}} + %elt.log = call float @llvm.log.f32(float %a) + ret float %elt.log +} + +define noundef half @log_half(half noundef %a) #0 { +entry: +; DOPCHECK: call half @dx.op.unary.f16(i32 23, half %{{.*}}) +; EXPCHECK: call half @llvm.log2.f16(half %a) +; CHECK: fmul half 0xH398C, %{{.*}} + %elt.log = call half @llvm.log.f16(half %a) + ret half %elt.log +} + +declare half @llvm.log.f16(half) +declare float @llvm.log.f32(float) |