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| author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
| commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
| tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/Instrumentation/MemorySanitizer/msan_basic.ll | |
| parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
| download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 | |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/Instrumentation/MemorySanitizer/msan_basic.ll')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/msan_basic.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll index 51693cd..0faf45d 100644 --- a/test/Instrumentation/MemorySanitizer/msan_basic.ll +++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll @@ -766,6 +766,24 @@ cond.end: ; preds = %cond.false, %cond.t ; CHECK: ret i32 [[A]] +; Test that there are no __msan_param_origin_tls stores when +; argument shadow is a compile-time zero constant (which is always the case +; in functions missing sanitize_memory attribute). + +define i32 @NoSanitizeMemoryParamTLS(i32* nocapture readonly %x) { +entry: + %0 = load i32* %x, align 4 + %call = tail call i32 @NoSanitizeMemoryParamTLSHelper(i32 %0) + ret i32 %call +} + +declare i32 @NoSanitizeMemoryParamTLSHelper(i32 %x) + +; CHECK-LABEL: define i32 @NoSanitizeMemoryParamTLS( +; CHECK-NOT: __msan_param_origin_tls +; CHECK: ret i32 + + ; Test argument shadow alignment define <2 x i64> @ArgumentShadowAlignment(i64 %a, <2 x i64> %b) sanitize_memory { |