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2011-08-26Add support for generating CMPXCHG16B on x86-64 for the cmpxchg IR instruction.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138660 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Split the landing pad block only if it's a critical edge. Also intelligentlyBill Wendling
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
2011-08-26Fix ARM codegen breakage caused by r138653.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138657 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Revert r138606 until LowerInvoke has been converted to the new EH scheme.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138656 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Whitespace and 80-col.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138654 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26invalid-LDR_PRE-arm.txt was already passing, but for the wrong reasons. We ↵Owen Anderson
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
2011-08-26valgrind: Always suppress tblgen leaks.Andrew Trick
I'll clean up the rest of the XFAIL: vg_leak lines if this works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138652 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Don't sink landingpad instructions during ind-var simplification.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138651 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Use %% for literals in RUN lines.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138647 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Update for feedback from Jim.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138642 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26lit: Add %T as a replacement for the output directoryDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138640 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26ARMDisassembler: Always return a size, even when disassembling fails.Benjamin Kramer
This should fix PR10772. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138636 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Support an extension of ARM asm syntax to allow immediate operands to ADR ↵Owen Anderson
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
2011-08-26We don't care if TableGen leaks memory.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138634 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Don't insert branch hint lables that are never used. Kalle Raiskila
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138630 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Add a testcase for r138625.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138626 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Fix PR10755 by checking for invalid predicate codes from UNPREDICTABLE t2IT ↵Owen Anderson
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
2011-08-26Fix disassembling of VCVTSD2SICraig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138623 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26LoopInfo::updateUnloop fix, and verify Block->Loop maps.Andrew Trick
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
2011-08-26Atomic load/store on ARM/Thumb.Eli Friedman
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
2011-08-26Address review comments.Benjamin Kramer
- 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
2011-08-26SimplifyCFG: If we have a PHI node that can evaluate to NULL and do a load ↵Benjamin Kramer
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
2011-08-25Update to the new EH scheme.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138606 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Look at only the terminators of the basic block. Also, if we're using the new EHBill Wendling
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
2011-08-25Initial check in that will auto-upgrade the old EH scheme to the new EH scheme.Bill Wendling
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
2011-08-25Do the same as r138461. Mark VZEROALL as clobbering all YMM registersBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138592 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Remove stray fullstop.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138589 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add support for AVX 256-bit version of MOVDDUP!Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138588 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Make isMOVDDUP mask check more strict and update comments!Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138587 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Constify ComparisonDavid Greene
Make ConstantInt::uge() const so it may be used in const contexts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138579 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Port over additional encoding tests to decoding tests, and fix an operand ↵Owen Anderson
ordering bug this exposed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138575 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Intel family 6 model 44 is Gulftown/Westmere-EP and doesn't have AVX.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138573 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25ARM fix for missing implicit operands on ldmia_ret.Andrew Trick
rdar://10005094: miscompile of 176.gcc git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138568 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138566 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Explicitly disallow predication in Thumb1 assembly.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138562 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add more missing TB encodings to VEX instructions to allow them to be ↵Craig Topper
disassembled. Fixes remainder of PR10678. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138553 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Give ATTR_VEX higher priority when generating the disassembler context ↵Craig Topper
table. Fixes disassembling of VEX instructions with 'pp'=00. Fixes subset of PR10678. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138552 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add TB encoding to VEROALL, VZEROUPPER, and VCVTPS2PD to allow them to be ↵Craig Topper
disassembled. Fixes PR10723. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138551 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25LSR wants to split the landing pad's critical edge. Let it do it, but use theBill Wendling
proper function to do it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Initialize member variable.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138548 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add support for 256-bit versions of VSHUFPD and VSHUFPS.Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138546 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add memory version of SHUFPD to mask decoding!Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138545 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Remove empty directories.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138542 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Update tests to the newest EH syntax.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138541 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Hide -global-merge option.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138540 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add feature test for the new exception handling stuff.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138539 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25When inserting new instructions, use getFirstInsertionPt instead ofBill Wendling
getFirstNonPHI so that it will skip over the landingpad instructions as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138537 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Add a command line option to disable global merge pass.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138536 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Remove a out-of-place comment.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138534 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Create a section for non-instructions patterns in the beginning of theBruno Cardoso Lopes
file, and move more code around! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138521 91177308-0d34-0410-b5e6-96231b3b80d8
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