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| author | John McCall <rjmccall@apple.com> | 2011-02-26 09:12:15 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-02-26 09:12:15 +0000 |
| commit | 71309be80a246a2f06842bd32ee53b3d5f007b82 (patch) | |
| tree | 91a126e9941aac24debce2509ea101248bccfeff /clang/test/CodeGenObjC/messages-2.m | |
| parent | 8a3c55567e0ba3323b47abdd88026f19d7e68b60 (diff) | |
| download | bcm5719-llvm-71309be80a246a2f06842bd32ee53b3d5f007b82.tar.gz bcm5719-llvm-71309be80a246a2f06842bd32ee53b3d5f007b82.zip | |
Zero-initialize the struct-return slot of an Objective-C message
send before making the call. Fixes rdar://problem/7854674
llvm-svn: 126543
Diffstat (limited to 'clang/test/CodeGenObjC/messages-2.m')
| -rw-r--r-- | clang/test/CodeGenObjC/messages-2.m | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/clang/test/CodeGenObjC/messages-2.m b/clang/test/CodeGenObjC/messages-2.m index 05e30ab131a..5ef2261b198 100644 --- a/clang/test/CodeGenObjC/messages-2.m +++ b/clang/test/CodeGenObjC/messages-2.m @@ -1,4 +1,7 @@ -// RUN: %clang_cc1 -emit-llvm -o %t %s +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-NF + +// Most of this test is apparently just verifying that we don't crash. int printf(const char *, ...); @@ -140,3 +143,21 @@ typedef struct { return 5; } @end + +// rdar://problem/7854674 +// CHECK: define void @test0([[A:%.*]]* +// CHECK-NF: define void @test0([[A:%.*]]* +void test0(A *a) { + // CHECK: alloca [[A]]* + // CHECK-NEXT: [[POINT:%.*]] = alloca [[POINT_T:%.*]], + // CHECK-NF: alloca [[A]]* + // CHECK-NF-NEXT: [[POINT:%.*]] = alloca [[POINT_T:%.*]], + + // CHECK: [[T0:%.*]] = bitcast [[POINT_T]]* [[POINT]] to i8* + // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 4, i1 false) + // CHECK-NEXT: call {{.*}} @objc_msgSend_stret to + // CHECK-NF: [[T0:%.*]] = bitcast [[POINT_T]]* [[POINT]] to i8* + // CHECK-NF-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 4, i1 false) + // CHECK-NF-NEXT: call {{.*}} @objc_msgSend_stret to + MyPoint point = [a returnAPoint]; +} |
