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