| // RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -x hlsl -emit-llvm -disable-llvm-passes -o - -hlsl-entry main %s | FileCheck %s |
| |
| struct Pair { |
| int First; |
| int Second; |
| |
| int getFirst() { |
| Pair Another = {5, 10}; |
| this = Another; |
| return this.First; |
| } |
| |
| int getSecond() { |
| this = Pair(); |
| return Second; |
| } |
| }; |
| |
| [numthreads(1, 1, 1)] |
| void main() { |
| Pair Vals = {1, 2.0}; |
| Vals.First = Vals.getFirst(); |
| Vals.Second = Vals.getSecond(); |
| } |
| |
| // This tests reference like implicit this in HLSL |
| // CHECK: define linkonce_odr noundef i32 @"?getFirst@Pair@@QAAHXZ"(ptr noundef nonnull align 4 dereferenceable(8) %this) #3 align 2 { |
| // CHECK-NEXT:entry: |
| // CHECK-NEXT:%this.addr = alloca ptr, align 4 |
| // CHECK-NEXT:%Another = alloca %struct.Pair, align 4 |
| // CHECK-NEXT:store ptr %this, ptr %this.addr, align 4 |
| // CHECK-NEXT:%this1 = load ptr, ptr %this.addr, align 4 |
| // CHECK-NEXT:call void @llvm.memcpy.p0.p0.i32(ptr align 4 %Another, ptr align 4 @"__const.?getFirst@Pair@@QAAHXZ.Another", i32 8, i1 false) |
| // CHECK-NEXT:call void @llvm.memcpy.p0.p0.i32(ptr align 4 %this1, ptr align 4 %Another, i32 8, i1 false) |
| // CHECK-NEXT:%First = getelementptr inbounds %struct.Pair, ptr %this1, i32 0, i32 0 |
| |
| // CHECK: define linkonce_odr noundef i32 @"?getSecond@Pair@@QAAHXZ"(ptr noundef nonnull align 4 dereferenceable(8) %this) #3 align 2 { |
| // CHECK-NEXT:entry: |
| // CHECK-NEXT:%this.addr = alloca ptr, align 4 |
| // CHECK-NEXT:%ref.tmp = alloca %struct.Pair, align 4 |
| // CHECK-NEXT:store ptr %this, ptr %this.addr, align 4 |
| // CHECK-NEXT:%this1 = load ptr, ptr %this.addr, align 4 |
| // CHECK-NEXT:call void @llvm.memset.p0.i32(ptr align 4 %ref.tmp, i8 0, i32 8, i1 false) |
| // CHECK-NEXT:call void @llvm.memcpy.p0.p0.i32(ptr align 4 %this1, ptr align 4 %ref.tmp, i32 8, i1 false) |
| // CHECK-NEXT:%Second = getelementptr inbounds %struct.Pair, ptr %this1, i32 0, i32 1 |
