| ; RUN: opt -S -dxil-intrinsic-expansion -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,EXPCHECK |
| ; RUN: opt -S -dxil-intrinsic-expansion -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %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) |
