forked from OSchip/llvm-project
51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
// RUN: %clang_cc1 -mconstructor-aliases -std=c++11 -fexceptions -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s
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struct A {
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A(int a);
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~A();
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int a;
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};
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void foo(A a, A b, A c) {
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}
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// Order of destruction should be left to right.
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//
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// CHECK-LABEL: define void @"\01?foo@@YAXUA@@00@Z"
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// CHECK: ([[argmem_ty:<{ %struct.A, %struct.A, %struct.A }>]]* inalloca)
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// CHECK: %[[a:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %0, i32 0, i32 0
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// CHECK: %[[b:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %0, i32 0, i32 1
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// CHECK: %[[c:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %0, i32 0, i32 2
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// CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[a]])
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// CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[b]])
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// CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[c]])
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// CHECK: ret void
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void call_foo() {
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foo(A(1), A(2), A(3));
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}
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// Order of evaluation should be right to left, and we should clean up the right
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// things as we unwind.
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//
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// CHECK-LABEL: define void @"\01?call_foo@@YAXXZ"()
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// CHECK: call i8* @llvm.stacksave()
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// CHECK: %[[argmem:[^ ]*]] = alloca inalloca [[argmem_ty]]
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// CHECK: %[[arg3:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %[[argmem]], i32 0, i32 2
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// CHECK: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg3]], i32 3)
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// CHECK: %[[arg2:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %[[argmem]], i32 0, i32 1
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// CHECK: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg2]], i32 2)
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// CHECK: %[[arg1:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %[[argmem]], i32 0, i32 0
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// CHECK: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg1]], i32 1)
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// CHECK: invoke void @"\01?foo@@YAXUA@@00@Z"([[argmem_ty]]* inalloca %[[argmem]])
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// CHECK: call void @llvm.stackrestore
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// CHECK: ret void
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//
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// lpad2:
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// CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[arg2]])
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// CHECK: br label
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//
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// ehcleanup:
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// CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[arg3]])
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