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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2015-02-16 15:05:14 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2015-02-16 15:05:14 +0000 |
| commit | a32dbfd28edef3c909856705db8ddc5e3222acdb (patch) | |
| tree | 69ffb43eb4877c2caf9f8adf7a6861bdd22872d8 /lib/msan/tests | |
| parent | b0ea27ee9d4b2f665a7c2a97306d21becfe9cf1f (diff) | |
[msan] Fix UnalignedLoad/UnalignedStore tests.
Add alignment attrubutes to ensure that the tests actually test unaligned
access irrespective of the stack layout.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@229398 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/msan/tests')
| -rw-r--r-- | lib/msan/tests/msan_test.cc | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/lib/msan/tests/msan_test.cc b/lib/msan/tests/msan_test.cc index 5e578ab7c..2aa6ecc20 100644 --- a/lib/msan/tests/msan_test.cc +++ b/lib/msan/tests/msan_test.cc @@ -3522,7 +3522,7 @@ TEST(MemorySanitizer, VolatileBitfield) { } TEST(MemorySanitizer, UnalignedLoad) { - char x[32]; + char x[32] __attribute__((aligned(8))); U4 origin = __LINE__; for (unsigned i = 0; i < sizeof(x) / 4; ++i) __msan_set_origin(x + 4 * i, 4, origin + i); @@ -3556,7 +3556,7 @@ TEST(MemorySanitizer, UnalignedLoad) { } TEST(MemorySanitizer, UnalignedStore16) { - char x[5]; + char x[5] __attribute__((aligned(4))); U2 y2 = 0; U4 origin = __LINE__; __msan_poison(&y2, 1); @@ -3567,11 +3567,10 @@ TEST(MemorySanitizer, UnalignedStore16) { EXPECT_POISONED_O(x[1], origin); EXPECT_NOT_POISONED(x[2]); EXPECT_POISONED_O(x[3], origin); - EXPECT_POISONED_O(x[4], origin); } TEST(MemorySanitizer, UnalignedStore32) { - char x[8]; + char x[8] __attribute__((aligned(4))); U4 y4 = 0; U4 origin = __LINE__; __msan_poison(&y4, 2); @@ -3589,7 +3588,7 @@ TEST(MemorySanitizer, UnalignedStore32) { } TEST(MemorySanitizer, UnalignedStore64) { - char x[16]; + char x[16] __attribute__((aligned(8))); U8 y8 = 0; U4 origin = __LINE__; __msan_poison(&y8, 3); @@ -3612,7 +3611,7 @@ TEST(MemorySanitizer, UnalignedStore64) { } TEST(MemorySanitizer, UnalignedStore16_precise) { - char x[8]; + char x[8] __attribute__((aligned(4))); U2 y = 0; U4 originx1 = __LINE__; U4 originx2 = __LINE__; @@ -3635,7 +3634,7 @@ TEST(MemorySanitizer, UnalignedStore16_precise) { } TEST(MemorySanitizer, UnalignedStore16_precise2) { - char x[8]; + char x[8] __attribute__((aligned(4))); U2 y = 0; U4 originx1 = __LINE__; U4 originx2 = __LINE__; @@ -3658,7 +3657,7 @@ TEST(MemorySanitizer, UnalignedStore16_precise2) { } TEST(MemorySanitizer, UnalignedStore64_precise) { - char x[12]; + char x[12] __attribute__((aligned(8))); U8 y = 0; U4 originx1 = __LINE__; U4 originx2 = __LINE__; @@ -3690,7 +3689,7 @@ TEST(MemorySanitizer, UnalignedStore64_precise) { } TEST(MemorySanitizer, UnalignedStore64_precise2) { - char x[12]; + char x[12] __attribute__((aligned(8))); U8 y = 0; U4 originx1 = __LINE__; U4 originx2 = __LINE__; |