1; RUN: opt -S -dxil-intrinsic-expansion -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,EXPCHECK 2; RUN: opt -S -dxil-intrinsic-expansion -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,DOPCHECK 3 4; Make sure dxil operation function calls for log are generated. 5 6define noundef float @log_float(float noundef %a) #0 { 7entry: 8; DOPCHECK: call float @dx.op.unary.f32(i32 23, float %{{.*}}) #[[#ATTR:]] 9; EXPCHECK: call float @llvm.log2.f32(float %a) 10; CHECK: fmul float 0x3FE62E4300000000, %{{.*}} 11 %elt.log = call float @llvm.log.f32(float %a) 12 ret float %elt.log 13} 14 15define noundef half @log_half(half noundef %a) #0 { 16entry: 17; DOPCHECK: call half @dx.op.unary.f16(i32 23, half %{{.*}}) #[[#ATTR]] 18; EXPCHECK: call half @llvm.log2.f16(half %a) 19; CHECK: fmul half 0xH398C, %{{.*}} 20 %elt.log = call half @llvm.log.f16(half %a) 21 ret half %elt.log 22} 23 24; DOPCHECK: attributes #[[#ATTR]] = {{{.*}} memory(none) {{.*}}} 25 26declare half @llvm.log.f16(half) 27declare float @llvm.log.f32(float) 28