diff options
| author | Kostya Serebryany <kcc@google.com> | 2013-03-18 09:38:39 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2013-03-18 09:38:39 +0000 |
| commit | 5111627ac1b0ae8a5a9d4dc1be8b22939ba850d0 (patch) | |
| tree | 7b27bb437151449ca8b447759ad3f04e2fe5ce92 /test/Instrumentation | |
| parent | 5e8da1773c8a16a9e3f08df444420f04d71ba673 (diff) | |
[asan] when creating string constants, set unnamed_attr and align 1 so that equal strings are merged by the linker. Observed up to 1% binary size reduction. Thanks to Anton Korobeynikov for the suggestion
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177264 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
| -rw-r--r-- | test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll b/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll index 2efd6b1e0d..0928c49415 100644 --- a/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll +++ b/test/Instrumentation/AddressSanitizer/do-not-instrument-internal-globals.ll @@ -14,6 +14,7 @@ entry: declare void @_Z3fooPi(i32*) ; We create one global string constant for the stack frame above. +; It should have unnamed_addr and align 1. ; Make sure we don't create any other global constants. -; CHECK: = private constant -; CHECK-NOT: = private constant +; CHECK: = private unnamed_addr constant{{.*}}align 1 +; CHECK-NOT: = private unnamed_addr constant |