| ; RUN: opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s |
| |
| ; Make sure dxil operation function calls for log2 are generated for float and half. |
| |
| define noundef float @log2_float(float noundef %a) #0 { |
| entry: |
| ; CHECK:call float @dx.op.unary.f32(i32 23, float %{{.*}}) #[[#ATTR:]] |
| %elt.log2 = call float @llvm.log2.f32(float %a) |
| ret float %elt.log2 |
| } |
| |
| define noundef half @log2_half(half noundef %a) #0 { |
| entry: |
| ; CHECK:call half @dx.op.unary.f16(i32 23, half %{{.*}}) #[[#ATTR]] |
| %elt.log2 = call half @llvm.log2.f16(half %a) |
| ret half %elt.log2 |
| } |
| |
| ; CHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}} |
| |
| declare half @llvm.log2.f16(half) |
| declare float @llvm.log2.f32(float) |
