| ; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-unknown-vulkan %s -o - | FileCheck %s |
| ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan %s -o - -filetype=obj | spirv-val %} |
| |
| ; CHECK: OpExtInstImport "GLSL.std.450" |
| |
| define noundef float @log2_float(float noundef %a) { |
| entry: |
| ; CHECK: %[[#]] = OpExtInst %[[#]] %[[#]] Log2 %[[#]] |
| %elt.log2 = call float @llvm.log2.f32(float %a) |
| ret float %elt.log2 |
| } |
| |
| define noundef half @log2_half(half noundef %a) { |
| entry: |
| ; CHECK: %[[#]] = OpExtInst %[[#]] %[[#]] Log2 %[[#]] |
| %elt.log2 = call half @llvm.log2.f16(half %a) |
| ret half %elt.log2 |
| } |
| |
| declare half @llvm.log2.f16(half) |
| declare float @llvm.log2.f32(float) |
