// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -emit-llvm -disable-llvm-passes -o - -std=hlsl202x %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; | |
} | |
void operator=(Pair P) { | |
First = P.First; | |
Second = 2; | |
} | |
}; | |
[numthreads(1, 1, 1)] | |
void main() { | |
Pair Vals = {1, 2}; | |
Vals.First = Vals.getFirst(); | |
Vals.Second = Vals.getSecond(); | |
} | |
// This test makes a probably safe assumption that HLSL 202x includes operator overloading for assignment operators. | |
// CHECK: define linkonce_odr noundef i32 @"?getFirst@Pair@@QAAHXZ"(ptr noundef nonnull align 4 dereferenceable(8) %this) #2 align 2 { | |
// CHECK-NEXT:entry: | |
// CHECK-NEXT:%this.addr = alloca ptr, align 4 | |
// CHECK-NEXT:%Another = alloca %struct.Pair, align 4 | |
// CHECK-NEXT:%agg.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:%First = getelementptr inbounds %struct.Pair, ptr %Another, i32 0, i32 0 | |
// CHECK-NEXT:store i32 5, ptr %First, align 4 | |
// CHECK-NEXT:%Second = getelementptr inbounds %struct.Pair, ptr %Another, i32 0, i32 1 | |
// CHECK-NEXT:store i32 10, ptr %Second, align 4 | |
// CHECK-NEXT:call void @llvm.memcpy.p0.p0.i32(ptr align 4 %agg.tmp, ptr align 4 %Another, i32 8, i1 false) | |
// CHECK-NEXT:call void @"??4Pair@@QAAXU0@@Z"(ptr noundef nonnull align 4 dereferenceable(8) %this1, ptr noundef byval(%struct.Pair) align 4 %agg.tmp) | |
// CHECK-NEXT:%First2 = getelementptr inbounds %struct.Pair, ptr %this1, i32 0, i32 0 | |
// CHECK-NEXT:%0 = load i32, ptr %First2, align 4 | |
// CHECK-NEXT:ret i32 %0 | |
// CHECK: define linkonce_odr noundef i32 @"?getSecond@Pair@@QAAHXZ"(ptr noundef nonnull align 4 dereferenceable(8) %this) #2 align 2 { | |
// CHECK-NEXT:entry: | |
// CHECK-NEXT:%this.addr = alloca ptr, align 4 | |
// CHECK-NEXT:%agg.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 %agg.tmp, i8 0, i32 8, i1 false) | |
// CHECK-NEXT:call void @"??4Pair@@QAAXU0@@Z"(ptr noundef nonnull align 4 dereferenceable(8) %this1, ptr noundef byval(%struct.Pair) align 4 %agg.tmp) | |
// CHECK-NEXT:%Second = getelementptr inbounds %struct.Pair, ptr %this1, i32 0, i32 1 | |
// CHECK-NEXT:%0 = load i32, ptr %Second, align 4 | |
// CHECK-NEXT:ret i32 %0 |