fab1e89de9
Previously the X86 backend would look for the sret attribute and handle this for us. inalloca takes that all away, so we have to do the return ourselves now. llvm-svn: 202097
30 lines
754 B
C++
30 lines
754 B
C++
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=i686-pc-win32 -mconstructor-aliases -fno-rtti | FileCheck %s
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struct A {
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A() : a(42) {}
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A(const A &o) : a(o.a) {}
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~A() {}
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int a;
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A foo(A o);
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};
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A A::foo(A x) {
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A y(*this);
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y.a += x.a;
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return y;
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}
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// CHECK-LABEL: define x86_thiscallcc %struct.A* @"\01?foo@A@@QAE?AU1@U1@@Z"
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// CHECK: (%struct.A* %this, <{ %struct.A*, %struct.A }>* inalloca)
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// CHECK: getelementptr inbounds <{ %struct.A*, %struct.A }>* %{{.*}}, i32 0, i32 0
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// CHECK: load %struct.A**
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// CHECK: ret %struct.A*
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int main() {
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A x;
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A y = x.foo(x);
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}
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// CHECK: call x86_thiscallcc %struct.A* @"\01?foo@A@@QAE?AU1@U1@@Z"
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// CHECK: (%struct.A* %{{[^,]*}}, <{ %struct.A*, %struct.A }>* inalloca %{{[^,]*}})
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