f193bcc701
This reverts the following commits: 37ca7a795b277c20c02a218bf44052278c03344b 9aa6c72b92b6c89cc6d23b693257df9af7de2d15 705387c5074bcca36d626882462ebbc2bcc3bed4 8ca4b3ef19fe82d7ad6a6e1515317dcc01b41515 80dba72a669b5416e97a42fd2c2a7bc5a6d3f44a
35 lines
1.3 KiB
C++
35 lines
1.3 KiB
C++
// RUN: %clang_cc1 -triple=i686-pc-win32 -fms-extensions %s -emit-llvm -o- | FileCheck %s
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union A {
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int *&ref;
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int **ptr;
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};
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int *f1(A *a) {
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return a->ref;
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}
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// CHECK-LABEL: define {{.*}}i32* @"?f1@@YAPAHPATA@@@Z"(%union.A* %a)
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// CHECK: [[REF:%[^[:space:]]+]] = bitcast %union.A* %{{.*}} to i32***
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// CHECK: [[IPP:%[^[:space:]]+]] = load i32**, i32*** [[REF]]
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// CHECK: [[IP:%[^[:space:]]+]] = load i32*, i32** [[IPP]]
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// CHECK: ret i32* [[IP]]
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void f2(A *a) {
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*a->ref = 1;
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}
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// CHECK-LABEL: define {{.*}}void @"?f2@@YAXPATA@@@Z"(%union.A* %a)
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// CHECK: [[REF:%[^[:space:]]+]] = bitcast %union.A* %{{.*}} to i32***
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// CHECK: [[IPP:%[^[:space:]]+]] = load i32**, i32*** [[REF]]
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// CHECK: [[IP:%[^[:space:]]+]] = load i32*, i32** [[IPP]]
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// CHECK: store i32 1, i32* [[IP]]
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bool f3(A *a, int *b) {
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return a->ref != b;
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}
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// CHECK-LABEL: define {{.*}}i1 @"?f3@@YA_NPATA@@PAH@Z"(%union.A* %a, i32* %b)
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// CHECK: [[REF:%[^[:space:]]+]] = bitcast %union.A* %{{.*}} to i32***
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// CHECK: [[IPP:%[^[:space:]]+]] = load i32**, i32*** [[REF]]
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// CHECK: [[IP:%[^[:space:]]+]] = load i32*, i32** [[IPP]]
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// CHECK: [[IP2:%[^[:space:]]+]] = load i32*, i32** %b.addr
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// CHECK: icmp ne i32* [[IP]], [[IP2]]
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