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| author | John McCall <rjmccall@apple.com> | 2011-11-11 03:57:31 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-11-11 03:57:31 +0000 |
| commit | 1cd76e8ca8f890a4defadcae3372c025ebe7607c (patch) | |
| tree | d2dde090df58e7789a9dd698be3466d3e3d21f43 /test/CodeGenCXX/nrvo.cpp | |
| parent | 538773cbfbba03b85d931efe122b743b7b0cc60d (diff) | |
Don't apply NRVO to over-aligned variables. The caller only
guarantees alignment up to the ABI alignment of the return type.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144364 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/nrvo.cpp')
| -rw-r--r-- | test/CodeGenCXX/nrvo.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGenCXX/nrvo.cpp b/test/CodeGenCXX/nrvo.cpp index 57bf27ab7a..4a117f1df0 100644 --- a/test/CodeGenCXX/nrvo.cpp +++ b/test/CodeGenCXX/nrvo.cpp @@ -147,3 +147,15 @@ X test5() { } } #endif + +// rdar://problem/10430868 +// CHECK: define void @_Z5test6v +X test6() { + X a __attribute__((aligned(8))); + return a; + // CHECK: [[A:%.*]] = alloca [[X:%.*]], align 8 + // CHECK-NEXT: call void @_ZN1XC1Ev([[X]]* [[A]]) + // CHECK-NEXT: call void @_ZN1XC1ERKS_([[X]]* {{%.*}}, [[X]]* [[A]]) + // CHECK-NEXT: call void @_ZN1XD1Ev([[X]]* [[A]]) + // CHECK-NEXT: ret void +} |