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49396 Commits

Author SHA1 Message Date
Benjamin Kramer
3dedf7e2c8 Dump with dbgs() instead of printf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138749 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 18:14:17 +00:00
Benjamin Kramer
4a3d0a56eb Make GCC happy by adding parens. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138748 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 18:14:15 +00:00
Owen Anderson
07700d486e Update the load-store optimizer for changes to the operands on LDR_PRE_IMM and LDRB_PRE_IMM in r138653. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138746 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 17:59:41 +00:00
Bruno Cardoso Lopes
41dfabb0e3 Move non-intruction patterns to a more appropriate place! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138744 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 17:51:24 +00:00
Owen Anderson
63553c77cd Add support for parsing #-0 on non-memory-operand immediate values, and add a testcase that necessitates it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138739 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 17:17:09 +00:00
Andrew Trick
0e122d1c24 Reapply r138695. Fix PassManager stack depths. 
Patch by Xiaoyi Guo!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138737 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 17:07:00 +00:00
Tobias Grosser
05d7138018 Add AMDIL as valid target triple to LLVM. 
Submitted by: Villmow, Micah <Micah.Villmow@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138734 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 15:44:55 +00:00
Nicolas Geoffray
1c36ba50ac Remove premature previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138725 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-28 14:52:51 +00:00
Duncan Sands
fd9c4f76f4 Fix PR5329: pay attention to constructor/destructor priority 
when outputting them.  With this, the entire LLVM testsuite
passes when built with dragonegg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138724 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-28 13:17:22 +00:00
Nicolas Geoffray
c98da24bed Encoding of instructions referencing segments has changed. Do what X86MCCodeEmitter does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138723 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-28 13:07:57 +00:00
Nadav Rotem
be6ceb6ebc Bitcasts are transitive. Bitcast-Bitcast-X becomes Bitcast-X. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138722 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-28 11:51:08 +00:00
Nick Lewycky
b1b051ec97 Fix integer overflow bug in raw_ostream::write. This showed up as a 
non-deterministic crash in the test suite. Fixes PR10055!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138717 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-28 03:30:02 +00:00
Benjamin Kramer
2753ae314f Silence GCC warnings and make an array const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138706 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 17:36:14 +00:00
Benjamin Kramer
f66f76c1a3 Report failure if there are less bytes than requested in a MemoryObject. 
Before we just left the remaining bytes uninitialized. This is another step in making llvm valgrind-clean again.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138705 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 07:45:46 +00:00
Bill Wendling
df77a71790 Auto upgrade the old EH scheme to use the new one. This is on a trial basis. If 
things to disasterously over night, this can be reverted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138702 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 06:11:03 +00:00
Andrew Trick
8592a0cda4 Reverting r138695 to see if it fixes clang self host. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138701 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 06:10:16 +00:00
Bill Wendling
884fb72f15 Only delete instructions once. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138700 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 06:10:02 +00:00
Bill Wendling
8557e6c0c1 These splits should be done whether they are critical edges or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138697 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 04:40:37 +00:00
Andrew Trick
b846192230 Fix PassManager stack depths. 
Patch by Xiaoyi Guo!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138695 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 02:11:03 +00:00
Owen Anderson
f1eab597b2 Improve encoding support for BLX with immediat eoperands, and fix a BLX decoding bug this uncovered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138675 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 23:32:08 +00:00
Owen Anderson
d7568e1c35 Correct encoding of BL with immediate offset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138673 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 22:54:51 +00:00
Jim Grosbach
4af54a461f ARM assembly parsing tweak for pldw. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138669 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 22:21:51 +00:00
Owen Anderson
9f7e831994 Spelling fail. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138667 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:47:57 +00:00
Jim Grosbach
89df996ab2 Thumb2 assembler parsing and encoding of IT instruction. 
This handles only the handling of the IT instruction itself, not the
processing and validation of the instructions in the IT block. That's next,
and will include encoding tests for IT itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138665 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:43:41 +00:00
Bill Wendling
e8ef4cc053 Update the dominator tree with the correct dominator for the new 'unwind' block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:36:12 +00:00
Eli Friedman
43f51aeca8 Add support for generating CMPXCHG16B on x86-64 for the cmpxchg IR instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138660 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:21:21 +00:00
Bill Wendling
51fb91c04c Split the landing pad block only if it's a critical edge. Also intelligently 
split it in the other place where we're splitting critical edges.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138658 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:18:55 +00:00
Owen Anderson
2b568fb3ce Fix ARM codegen breakage caused by r138653. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138657 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:12:37 +00:00
Eric Christopher
6c0046f5d4 Whitespace and 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138654 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:02:40 +00:00
Owen Anderson
9ab0f25fc1 invalid-LDR_PRE-arm.txt was already passing, but for the wrong reasons. We were failing to specify enough fixed bits of LDR_PRE/LDRB_PRE, resulting in decoding conflicts. Separate them into immediate vs. register versions, allowing us to specify the necessary fixed bits. This in turn results in the test being decoded properly, and being rejected as UNPREDICTABLE rather than a hard failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138653 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 20:43:14 +00:00
Bill Wendling
2b18881185 Don't sink landingpad instructions during ind-var simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138651 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 20:40:15 +00:00
Owen Anderson
1af7f7291d Update for feedback from Jim. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138642 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 19:39:26 +00:00
Benjamin Kramer
86ce852a15 ARMDisassembler: Always return a size, even when disassembling fails. 
This should fix PR10772.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138636 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 18:21:36 +00:00
Owen Anderson
96425c8464 Support an extension of ARM asm syntax to allow immediate operands to ADR instructions. This is helpful for disassembler testing, and indeed exposed a disassembler bug that is also fixed here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138635 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 18:09:22 +00:00
Kalle Raiskila
54f8a9f54d Don't insert branch hint lables that are never used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138630 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 10:14:56 +00:00
Owen Anderson
9bd655dcde Fix PR10755 by checking for invalid predicate codes from UNPREDICTABLE t2IT instructions when decoding their successors. 
This is the last disassembly crash detected by exhaustive Thumb2 instruction space.  Major thanks to Chandler Carruth for making this kind of exhaustive testing possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 06:19:51 +00:00
Craig Topper
8fd13b6de5 Fix disassembling of VCVTSD2SI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138623 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 04:49:29 +00:00
Andrew Trick
5434c1e73b LoopInfo::updateUnloop fix, and verify Block->Loop maps. 
Fixes an oversight, and adds verification to catch it in the unloop.ll tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138622 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 03:06:34 +00:00
Eli Friedman
069e2ed794 Atomic load/store on ARM/Thumb. 
I don't really like the patterns, but I'm having trouble coming up with a
better way to handle them.

I plan on making other targets use the same legalization
ARM-without-memory-barriers is using... it's not especially efficient, but
if anyone cares, it's not that hard to fix for a given target if there's
some better lowering.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138621 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 02:59:24 +00:00
Benjamin Kramer
9bb5488dbd Address review comments. 
- Reword comments.
- Allow undefined behavior interfering with undefined behavior.
- Add address space checks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138619 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 02:25:55 +00:00
Benjamin Kramer
98d6d2372f SimplifyCFG: If we have a PHI node that can evaluate to NULL and do a load or store to the address returned by the PHI node then we can consider this incoming value as dead and remove the edge pointing there, unless there are instructions that can affect control flow executed in between. 
In theory this could be extended to other instructions, eg. division by zero, but it's likely that it will "miscompile" some code because people depend on div by zero not trapping. NULL pointer dereference usually leads to a crash so we should be on the safe side.

This shrinks the size of a Release clang by 16k on x86_64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138618 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 01:22:29 +00:00
Bill Wendling
09908c4b4a Look at only the terminators of the basic block. Also, if we're using the new EH 
scheme, return 'true' so that it doesn't try to run the old EH scheme's fixup on
the new code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138605 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 23:48:11 +00:00
Bill Wendling
c82a61c6c6 Initial check in that will auto-upgrade the old EH scheme to the new EH scheme. 
This upgrade suffers from the problems of the old EH scheme - i.e., that the
calls to llvm.eh.exception() and llvm.eh.selector() can wander off and get
lost. It makes a valiant effort to reclaim these little lost lambs.

This is a first draft, so it hasn't yet been hooked up to the parser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138602 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 23:22:40 +00:00
Bruno Cardoso Lopes
f1a264232c Do the same as r138461. Mark VZEROALL as clobbering all YMM registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138592 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 22:23:58 +00:00
Nick Lewycky
b210cbf692 Remove stray fullstop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138589 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 21:46:20 +00:00
Bruno Cardoso Lopes
6292eceea0 Add support for AVX 256-bit version of MOVDDUP! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138588 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 21:40:37 +00:00
Bruno Cardoso Lopes
06ef923d14 Make isMOVDDUP mask check more strict and update comments! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138587 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 21:40:34 +00:00
Owen Anderson
99906830e8 Port over additional encoding tests to decoding tests, and fix an operand ordering bug this exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138575 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 18:30:18 +00:00
Benjamin Kramer
cf847bfa6f Intel family 6 model 44 is Gulftown/Westmere-EP and doesn't have AVX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138573 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 18:05:56 +00:00
Andrew Trick
b9ca5124f8 ARM fix for missing implicit operands on ldmia_ret. 
rdar://10005094: miscompile of 176.gcc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138568 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 17:50:53 +00:00