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28 Commits

Author SHA1 Message Date
Craig Topper
1299ae2403 [X86] Make isel select the shorter form of jump instructions instead of the long form. 
The assembler backend will relax to the long form if necessary. This removes a swap from long form to short form in the MCInstLowering code. Selecting the long form used to be required by the old JIT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225242 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-01-06 04:23:53 +00:00
Craig Topper
9bf73516cb Replace several 'assert(false' with 'llvm_unreachable' or fold a condition into the assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225160 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-01-05 10:15:49 +00:00
Craig Topper
71fc42dbf6 [X86] Make the instructions that use AdSize16/32/64 co-exist together without using mode predicates. 
This is necessary to allow the disassembler to be able to handle AdSize32 instructions in 64-bit mode when address size prefix is used.

Eventually we should probably also support 'addr32' and 'addr16' in the assembler to override the address size on some of these instructions. But for now we'll just use special operand types that will lookup the current mode size to select the right instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225075 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-01-02 07:02:25 +00:00
Craig Topper
50d894e4d3 Use MCPhysReg for table of register encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224845 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-12-26 06:36:23 +00:00
Yuri Gorshenin
75bb472c06 [asan-asm-instrumentation] Added comment describing how asm instrumentation works. 
Summary: [asan-asm-instrumentation] Added comment describing how asm instrumentation works.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5970

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220670 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-10-27 08:38:54 +00:00
NAKAMURA Takumi
c65b578e25 X86AsmInstrumentation.cpp: Dissolve initializer-ranged-for. MSC17 disliked it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220301 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-10-21 16:22:52 +00:00
Yuri Gorshenin
7ffc5bb51a [asan-asm-instrumentation] Fixed memory accesses with rbp as a base or an index register. 
Summary: Fixed memory accesses with rbp as a base or an index register.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5819

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220283 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-10-21 10:22:27 +00:00
Yuri Gorshenin
ec8aeb0bc1 [asan-asm-instrumentation] Follow-up fixes to r219602: asserts are moved into 
function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219610 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-10-13 11:44:06 +00:00
Yuri Gorshenin
eba0a96f8e [asan-asm-instrumentation] Fixed memory references which includes %rsp as a base or an index register. 
Summary: [asan-asm-instrumentation] Fixed memory references which includes %rsp as a base or an index register.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5599

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219602 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-10-13 09:37:47 +00:00
Yuri Gorshenin
86e0844d1c [asan-asm-instrumentation] CFI directives are generated for .S files. 
Summary: CFI directives are generated for .S files.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5520

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219199 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-10-07 11:03:09 +00:00
Yuri Gorshenin
ca31084292 [asan-assembly-instrumentation] Added CFI directives to the generated instrumentation code. 
Summary: [asan-assembly-instrumentation] Added CFI directives to the generated instrumentation code.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5189

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217482 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-09-10 09:45:49 +00:00
Yuri Gorshenin
861eddb266 [asan-assembly-instrumentation] Prologue and epilogue are moved out from InstrumentMemOperand(). 
Reviewers: eugenis

Subscribers: llvm-commits

Differential revision: http://reviews.llvm.org/D4923

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216879 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-09-01 12:51:00 +00:00
Yuri Gorshenin
c642ad9546 Revert "[asan-assembly-instrumentation] Prologue and epilogue are moved out from InstrumentMemOperand()." 
This reverts commit 895aa397038b8de86d83ac0997a70949a486e112.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216872 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-09-01 10:24:04 +00:00
Yuri Gorshenin
895aa39703 [asan-assembly-instrumentation] Prologue and epilogue are moved out from InstrumentMemOperand(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216869 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-09-01 09:56:45 +00:00
Evgeniy Stepanov
fda6b888a9 Clang-format over X86AsmInstrumentation.* with LLVM style. 
r216536 mistakenly used -style=Google instead of LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216543 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-08-27 13:11:55 +00:00
Evgeniy Stepanov
08cb02e91a Clang-format over X86AsmInstrumentation.*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216536 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-08-27 11:10:54 +00:00
Evgeniy Stepanov
8a78bb9836 [asan] Support x86 REP MOVS asm instrumentation. 
Patch by Yuri Gorshenin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214395 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-07-31 09:11:04 +00:00
Evgeniy Stepanov
5ba71b01d8 [asan] Generate asm instrumentation in MC. 
Generate entire ASan asm instrumentation in MC without
relying on runtime helper functions.

Patch by Yuri Gorshenin.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212455 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-07-07 13:57:37 +00:00
David Blaikie
c50f986b4d 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210427 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-06-08 16:18:35 +00:00
Evgeniy Stepanov
c0e669384d [asan] Fix x86-32 asm instrumentation to preserve flags. 
Patch by Yuri Gorshenin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209280 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-21 08:14:24 +00:00
Benjamin Kramer
d8d1a7c950 [asan] Stop leaking X86Operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208400 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-09 09:48:03 +00:00
Evgeniy Stepanov
89329e902c [asan] Preserve flags in asm instrumentation. 
Patch by Yuri Gorshenin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208296 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-08 09:55:24 +00:00
Evgeniy Stepanov
227c4c6185 [asan] Add a flag to control asm instrumentation. 
With this change, asm instrumentation is disabled by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208167 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-07 07:54:11 +00:00
Evgeniy Stepanov
55f8c07504 [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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207651 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-30 14:04:31 +00:00
Evgeniy Stepanov
23a4885f59 [asan] Use MCInstrInfo in inline asm instrumentation. 
Patch by Yuri Gorshenin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207115 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-24 13:29:34 +00:00
Evgeniy Stepanov
fd46b84ddd [asan] Fix instrumentation of x86 intel syntax inline assembly. 
Patch by Yuri Gorshenin.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207092 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-24 09:56:15 +00:00
Evgeniy Stepanov
d6af41b2eb Create MCTargetOptions. 
For now it contains a single flag, SanitizeAddress, which enables
AddressSanitizer instrumentation of inline assembly.

Patch by Yuri Gorshenin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206971 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-23 11:16:03 +00:00
Evgeniy Stepanov
bf7cc396c6 AddressSanitizer instrumentation for MOV and MOVAPS. 
This is an initial version of *Sanitizer instrumentation of assembly code.

Patch by Yuri Gorshenin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203908 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-03-14 08:58:04 +00:00