llvm/test/CodeGen/SPIRV/transcoding/OpImageSampleExplicitLod.ll

; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}

; CHECK-SPIRV-DAG: %[[#RetID:]] = OpImageSampleExplicitLod %[[#RetType:]] %[[#]] %[[#]] Lod %[[#]]
; CHECK-SPIRV-DAG: %[[#RetType]] = OpTypeVector %[[#]] 4
; CHECK-SPIRV:     %[[#]] = OpCompositeExtract %[[#]] %[[#RetID]] 0

define spir_kernel void @sample_kernel(target("spirv.Image", void, 1, 1, 0, 0, 0, 0, 0) %input, target("spirv.Sampler") %imageSampler, ptr addrspace(1) %xOffsets, ptr addrspace(1) %yOffsets, ptr addrspace(1) %results) {
entry:
  %call = call spir_func i32 @_Z13get_global_idj(i32 0)
  %call1 = call spir_func i32 @_Z13get_global_idj(i32 1)
  %call2.tmp1 = call spir_func <2 x i32> @_Z13get_image_dim20ocl_image2d_depth_ro(target("spirv.Image", void, 1, 1, 0, 0, 0, 0, 0) %input)
  %call2.old = extractelement <2 x i32> %call2.tmp1, i32 0
  %mul = mul i32 %call1, %call2.old
  %add = add i32 %mul, %call
  %arrayidx = getelementptr inbounds float, ptr addrspace(1) %xOffsets, i32 %add
  %0 = load float, ptr addrspace(1) %arrayidx, align 4
  %conv = fptosi float %0 to i32
  %vecinit = insertelement <2 x i32> undef, i32 %conv, i32 0
  %arrayidx3 = getelementptr inbounds float, ptr addrspace(1) %yOffsets, i32 %add
  %1 = load float, ptr addrspace(1) %arrayidx3, align 4
  %conv4 = fptosi float %1 to i32
  %vecinit5 = insertelement <2 x i32> %vecinit, i32 %conv4, i32 1
  %call6.tmp.tmp = call spir_func float @_Z11read_imagef20ocl_image2d_depth_ro11ocl_samplerDv2_i(target("spirv.Image", void, 1, 1, 0, 0, 0, 0, 0) %input, target("spirv.Sampler") %imageSampler, <2 x i32> %vecinit5)
  %arrayidx7 = getelementptr inbounds float, ptr addrspace(1) %results, i32 %add
  store float %call6.tmp.tmp, ptr addrspace(1) %arrayidx7, align 4
  ret void
}

declare spir_func float @_Z11read_imagef20ocl_image2d_depth_ro11ocl_samplerDv2_i(target("spirv.Image", void, 1, 1, 0, 0, 0, 0, 0), target("spirv.Sampler"), <2 x i32>)

declare spir_func i32 @_Z13get_global_idj(i32)

declare spir_func <2 x i32> @_Z13get_image_dim20ocl_image2d_depth_ro(target("spirv.Image", void, 1, 1, 0, 0, 0, 0, 0))