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1// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -x hlsl -emit-llvm -disable-llvm-passes -o - -hlsl-entry main %s -debug-info-kind=standalone -dwarf-version=4 | FileCheck %s2 3struct Pair {4 int First;5 float Second;6 7 int getFirst() {8 return this.First;9 }10 11 float getSecond() {12 return Second;13 }14};15 16[numthreads(1, 1, 1)]17void main() {18 Pair Vals = {1, 2.0};19 Vals.First = Vals.getFirst();20 Vals.Second = Vals.getSecond();21}22 23// This tests reference like `this` in HLSL24 // CHECK: %call = call noundef i32 @_ZN4Pair8getFirstEv(ptr noundef nonnull align 1 dereferenceable(8) %Vals)25 // CHECK-NEXT: %First = getelementptr inbounds nuw %struct.Pair, ptr %Vals, i32 0, i32 026 // CHECK-NEXT: store i32 %call, ptr %First, align 127 // CHECK-NEXT: %call1 = call reassoc nnan ninf nsz arcp afn noundef nofpclass(nan inf) float @_ZN4Pair9getSecondEv(ptr noundef nonnull align 1 dereferenceable(8) %Vals)28 // CHECK-NEXT: %Second = getelementptr inbounds nuw %struct.Pair, ptr %Vals, i32 0, i32 129 30// CHECK: [[Pair:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Pair"31// CHECK: [[getFirst:![0-9]+]] = distinct !DISubprogram(name: "getFirst"32// CHECK-SAME: scope: [[Pair]]33// CHECK: [[FirstThis:![0-9]+]] = !DILocalVariable(name: "this", arg: 1, scope: [[getFirst]], type: [[thisType:![0-9]+]]34// CHECK: [[thisType]] = !DIDerivedType(tag: DW_TAG_reference_type, baseType: [[Pair]], size: 32)35