llvm/llvm/test/Other/spirv-sim/wave-get-lane-index.spv

; RUN: %if spirv-tools %{ spirv-as %s -o - | spirv-val - %}
; RUN: spirv-sim --function=simple --wave=4 --expects=0,1,2,3 -i %s
               OpCapability Shader
               OpCapability GroupNonUniform
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main" %WaveIndex
               OpExecutionMode %main LocalSize 1 1 1
               OpSource HLSL 670
               OpName %simple "simple"
               OpName %main "main"
                OpDecorate %WaveIndex BuiltIn SubgroupLocalInvocationId
        %int = OpTypeInt 32 1
       %uint = OpTypeInt 32 0
      %int_2 = OpConstant %int 2
       %void = OpTypeVoid
  %main_type = OpTypeFunction %void
%simple_type = OpTypeFunction %int
  %uint_iptr = OpTypePointer Input %uint
  %WaveIndex = OpVariable %uint_iptr Input
       %main = OpFunction %void None %main_type
      %entry = OpLabel
               OpReturn
               OpFunctionEnd
     %simple = OpFunction %int None %simple_type
          %1 = OpLabel
          %2 = OpLoad %uint %WaveIndex
          %3 = OpBitcast %int %2
               OpReturnValue %3
               OpFunctionEnd