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      1 // RUN: %clang_cc1 -mconstructor-aliases -std=c++11 -fexceptions -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s -check-prefix=X86
      2 // RUN: %clang_cc1 -mconstructor-aliases -std=c++11 -fexceptions -emit-llvm %s -o - -triple=x86_64-pc-win32 | FileCheck %s -check-prefix=X64
      3 
      4 struct A {
      5   A(int a);
      6   A(const A &o);
      7   ~A();
      8   int a;
      9 };
     10 
     11 void foo(A a, A b, A c) {
     12 }
     13 
     14 // Order of destruction should be left to right.
     15 //
     16 // X86-LABEL: define void @"\01?foo@@YAXUA@@00@Z"
     17 // X86:          ([[argmem_ty:<{ %struct.A, %struct.A, %struct.A }>]]* inalloca)
     18 // X86: %[[a:[^ ]*]] = getelementptr inbounds [[argmem_ty]], [[argmem_ty]]* %0, i32 0, i32 0
     19 // X86: %[[b:[^ ]*]] = getelementptr inbounds [[argmem_ty]], [[argmem_ty]]* %0, i32 0, i32 1
     20 // X86: %[[c:[^ ]*]] = getelementptr inbounds [[argmem_ty]], [[argmem_ty]]* %0, i32 0, i32 2
     21 // X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[a]])
     22 // X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[b]])
     23 // X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[c]])
     24 // X86: ret void
     25 
     26 // X64-LABEL: define void @"\01?foo@@YAXUA@@00@Z"
     27 // X64:         (%struct.A* %[[a:[^,]*]], %struct.A* %[[b:[^,]*]], %struct.A* %[[c:[^)]*]])
     28 // X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[a]])
     29 // X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[b]])
     30 // X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[c]])
     31 // X64: ret void
     32 
     33 
     34 void call_foo() {
     35   foo(A(1), A(2), A(3));
     36 }
     37 
     38 // Order of evaluation should be right to left, and we should clean up the right
     39 // things as we unwind.
     40 //
     41 // X86-LABEL: define void @"\01?call_foo@@YAXXZ"()
     42 // X86: call i8* @llvm.stacksave()
     43 // X86: %[[argmem:[^ ]*]] = alloca inalloca [[argmem_ty]]
     44 // X86: %[[arg3:[^ ]*]] = getelementptr inbounds [[argmem_ty]], [[argmem_ty]]* %[[argmem]], i32 0, i32 2
     45 // X86: call x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg3]], i32 3)
     46 // X86: %[[arg2:[^ ]*]] = getelementptr inbounds [[argmem_ty]], [[argmem_ty]]* %[[argmem]], i32 0, i32 1
     47 // X86: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg2]], i32 2)
     48 // X86: %[[arg1:[^ ]*]] = getelementptr inbounds [[argmem_ty]], [[argmem_ty]]* %[[argmem]], i32 0, i32 0
     49 // X86: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg1]], i32 1)
     50 // X86: call void @"\01?foo@@YAXUA@@00@Z"([[argmem_ty]]* inalloca %[[argmem]])
     51 // X86: call void @llvm.stackrestore
     52 // X86: ret void
     53 //
     54 //   lpad2:
     55 // X86: cleanuppad within none []
     56 // X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[arg2]])
     57 // X86: cleanupret
     58 //
     59 //   ehcleanup:
     60 // X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[arg3]])
     61 
     62 // X64-LABEL: define void @"\01?call_foo@@YAXXZ"()
     63 // X64: call %struct.A* @"\01??0A@@QEAA@H@Z"(%struct.A* %[[arg3:[^,]*]], i32 3)
     64 // X64: invoke %struct.A* @"\01??0A@@QEAA@H@Z"(%struct.A* %[[arg2:[^,]*]], i32 2)
     65 // X64: invoke %struct.A* @"\01??0A@@QEAA@H@Z"(%struct.A* %[[arg1:[^,]*]], i32 1)
     66 // X64: call void @"\01?foo@@YAXUA@@00@Z"
     67 // X64:       (%struct.A* %[[arg1]], %struct.A* %[[arg2]], %struct.A* %[[arg3]])
     68 // X64: ret void
     69 //
     70 //   lpad2:
     71 // X64: cleanuppad within none []
     72 // X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[arg2]])
     73 // X64: cleanupret
     74 //
     75 //   ehcleanup:
     76 // X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[arg3]])
     77