| ; 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-DAG: [[SET:%.*]] = OpExtInstImport "GLSL.std.450" |
| ; CHECK-DAG: [[UINT:%.*]] = OpTypeInt 32 0 |
| ; CHECK-DAG: [[FLOAT:%.*]] = OpTypeFloat 32 |
| ; CHECK-DAG: [[FLOAT2:%.*]] = OpTypeVector [[FLOAT]] 2 |
| |
| ; CHECK: [[P0:%.*]] = OpFunctionParameter [[UINT]] |
| ; CHECK: [[UNPACK2:%.*]] = OpExtInst [[FLOAT2]] [[SET]] UnpackHalf2x16 [[P0]] |
| ; CHECK: [[UNPACK:%.*]] = OpCompositeExtract [[FLOAT]] [[UNPACK2]] 0 |
| ; CHECK: OpReturnValue [[UNPACK]] |
| define hidden spir_func noundef nofpclass(nan inf) float @_Z9test_funcj(i32 noundef %0) local_unnamed_addr #0 { |
| %2 = tail call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.spv.unpackhalf2x16.v2f32(i32 %0) |
| %3 = extractelement <2 x float> %2, i64 0 |
| ret float %3 |
| } |
| |
