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Author SHA1 Message Date
David Blaikie 960ea3f018 AsmMatchers: Use unique_ptr to manage ownership of MCParsedAsmOperand 
I saw at least a memory leak or two from inspection (on probably
untested error paths) and r206991, which was the original inspiration
for this change.

I ran this idea by Jim Grosbach a few weeks ago & he was OK with it.
Since it's a basically mechanical patch that seemed sufficient - usual
post-commit review, revert, etc, as needed.

llvm-svn: 210427
 2014-06-08 16:18:35 +00:00
Evgeniy Stepanov fc9c78a6b6 [asan] Fix x86-32 asm instrumentation to preserve flags. 
Patch by Yuri Gorshenin.

llvm-svn: 209280
 2014-05-21 08:14:24 +00:00
Benjamin Kramer 8bbadc0383 [asan] Stop leaking X86Operands. 
llvm-svn: 208400
 2014-05-09 09:48:03 +00:00
Evgeniy Stepanov 9661ec0ec3 [asan] Preserve flags in asm instrumentation. 
Patch by Yuri Gorshenin.

llvm-svn: 208296
 2014-05-08 09:55:24 +00:00
Evgeniy Stepanov 3819f02819 [asan] Add a flag to control asm instrumentation. 
With this change, asm instrumentation is disabled by default.

llvm-svn: 208167
 2014-05-07 07:54:11 +00:00
Evgeniy Stepanov 29865f7803 [asan] Disable asm instrumentation on unsupported platforms. 
Only emit calls to compiler-rt asm routines on platforms where they are
present (currently limited to linux i386/x86_64).

Patch by Yuri Gorshenin.

llvm-svn: 207651
 2014-04-30 14:04:31 +00:00
Evgeniy Stepanov f4a36999ad [asan] Use MCInstrInfo in inline asm instrumentation. 
Patch by Yuri Gorshenin.

llvm-svn: 207115
 2014-04-24 13:29:34 +00:00
Evgeniy Stepanov b6c47a5bd2 [asan] Fix instrumentation of x86 intel syntax inline assembly. 
Patch by Yuri Gorshenin.

llvm-svn: 207092
 2014-04-24 09:56:15 +00:00
Evgeniy Stepanov 0a951b775e Create MCTargetOptions. 
For now it contains a single flag, SanitizeAddress, which enables
AddressSanitizer instrumentation of inline assembly.

Patch by Yuri Gorshenin.

llvm-svn: 206971
 2014-04-23 11:16:03 +00:00
Evgeniy Stepanov 49e2625144 AddressSanitizer instrumentation for MOV and MOVAPS. 
This is an initial version of *Sanitizer instrumentation of assembly code.

Patch by Yuri Gorshenin.

llvm-svn: 203908
 2014-03-14 08:58:04 +00:00