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159 Commits

Author SHA1 Message Date
Kostya Serebryany 154a54d972 [asan] unpoison the stack before every noreturn call. Fixes asan issue 37. llvm part 
llvm-svn: 150102
 2012-02-08 21:36:17 +00:00
Kostya Serebryany 9e0d377400 The patch resolves the conflict between AddressSanitizer and load widening (GVN). 
The problem initially reported by Mozilla folks (http://code.google.com/p/address-sanitizer/issues/detail?id=20),
but it also prevents us from enabling LLVM bootstrap with AddressSanitizer.

llvm-svn: 149925
 2012-02-06 22:48:56 +00:00
Kostya Serebryany c11d1dd133 [asan] enable asan only for the functions that have Attribute::AddressSafety 
llvm-svn: 148846
 2012-01-24 19:34:43 +00:00
Kostya Serebryany 842ae27ae3 [asan] one more test for asan instrumentation: (*a)++ should be instrumented only once. 
llvm-svn: 147509
 2012-01-04 01:02:14 +00:00
Kostya Serebryany 561dade58d [asan] add a test for instrumenting globals 
llvm-svn: 146718
 2011-12-16 01:28:19 +00:00
Kostya Serebryany 8b5c7a56a3 [asan] do not instrument threadlocal globals, this is buggy 
llvm-svn: 145092
 2011-11-23 02:10:54 +00:00
Kostya Serebryany 1cdc6e9567 [asan] workaround for reg alloc bug 11395: don't instrument functions with large chunks of inline assembler 
llvm-svn: 144962
 2011-11-18 01:41:06 +00:00
Kostya Serebryany 65e2211b95 fall back to explicit list of allowed linkages when instrumenting globals in asan; add a test check that asan does not touch linkonce_odr 
llvm-svn: 144933
 2011-11-17 23:14:59 +00:00
Kostya Serebryany 6e6b03ec46 AddressSanitizer, first commit (compiler module only) 
llvm-svn: 144758
 2011-11-16 01:35:23 +00:00