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2011-06-29Asm parser range checking on .<size> <value> directives.Jim Grosbach
For example, ".byte 256" would previously assert() when emitting an object file. Now it generates a diagnostic that the literal value is out of range. rdar://9686950 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134069 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Don't depend on the optimization reverted in r134067.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Revert a part of r126557 which could create unschedulable DAGs.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134067 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Change AsmName's type from StringRef to std::string. AsmName was pointing to ↵Francois Pichet
a temporary string object that was destroyed. This is undefined behavior and MSVC didn't like it. This fixes over 300+ failing tests on MSVC. Credit for this fix goes to chapuni. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134064 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Let simplify cfg simplify bb with only debug and lifetime intrinsics.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134057 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Fix CMake build.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134055 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29indvars -disable-iv-rewrite: just because SCEV ignores casts doesn'tAndrew Trick
mean they can be removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Revert r134047 while investigating a llvm-gcc-i386-linux-selfhostJakob Stoklund Olesen
miscompile. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134053 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Sink SubtargetFeature and TargetInstrItineraries (renamed ↵Evan Cheng
MCInstrItineraries) into MC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Trim includeEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134048 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-29Rewrite RAGreedy::splitAroundRegion, now with cool ASCII art.Jakob Stoklund Olesen
This function has to deal with a lot of special cases, and the old version got it wrong sometimes. In particular, it would sometimes leave multiple uses in the stack interval in a single block. That causes bad code with multiple reloads in the same basic block. The new version handles block entry and exit in a single pass. It first eliminates all the easy cases, and then goes on to create a local interval for the blocks with difficult interference. Previously, we would only create the local interval for completely isolated blocks. It can happen that the stack interval becomes completely empty because we could allocate a register in all edge bundles, and the new local intervals deal with the interference. The empty stack interval is harmless, but we need to remove a SplitKit assertion that checks for empty intervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134047 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28build/Darwin: Fix epic typo fail.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134036 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Fix a CMake warning, following up to r134008.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134033 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Unbreak every backend.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Move CallFrameSetupOpcode and CallFrameDestroyOpcode to TargetInstrInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134030 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Hide more details in tablegen generated MCRegisterInfo ctor function.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134027 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Add MCInstrInfo registeration machinery.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134026 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Merge XXXGenRegisterNames.inc into XXXGenRegisterInfo.incEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134024 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28- Rename TargetInstrDesc, TargetOperandInfo to MCInstrDesc and MCOperandInfo andEvan Cheng
sink them into MC layer. - Added MCInstrInfo, which captures the tablegen generated static data. Chang TargetInstrInfo so it's based off MCInstrInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134021 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Clean up the handling of the x87 fp stack to make it more robust.Jakob Stoklund Olesen
Drop the FpMov instructions, use plain COPY instead. Drop the FpSET/GET instruction for accessing fixed stack positions. Instead use normal COPY to/from ST registers around inline assembly, and provide a single new FpPOP_RETVAL instruction that can access the return value(s) from a call. This is still necessary since you cannot tell from the CALL instruction alone if it returns anything on the FP stack. Teach fast isel to use this. This provides a much more robust way of handling fixed stack registers - we can tolerate arbitrary FP stack instructions inserted around calls and inline assembly. Live range splitting could sometimes break x87 code by inserting spill code in unfortunate places. As a bonus we handle floating point inline assembly correctly now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134018 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Reinstate r133516 "Remove some unnecessary uses of c_str()." A trailing nullChad Rosier
character in std::string was causing failures for a few ObjC and Obj-C++ tests when -flto was enabled. Revision 133999 resolved this issue. Thanks Jay! rdar://9685235 PR10210 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134017 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Remove warning: 'c0' may be used uninitialized in this function.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134014 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Print registers by name instead of by number.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134013 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28cleanup: misleading comment.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134010 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28cmake: Our MSVC build does not support config-time build mode.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134008 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Implement ISD::VAARG lowering on PPC32.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134005 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28PR10210: New method ConstantArray::getAsCString(). Use it in LTO toJay Foad
avoid getting embedded trailing null bytes in std::strings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133999 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28FileCheckify and prepare for -disable-iv-rewrite.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133998 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28FileCheckize a couple of tests.Jakob Stoklund Olesen
Also and add a test for popping dead return values and avoid testing the spill precision. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133997 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Cleanup. Fix a stupid variable name.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133996 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Cleanup. Fix a stupid variable name.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133995 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28SCEVExpander: give new insts a name that identifies the reponsible pass.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133992 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133991 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Fix typo in comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133990 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Fix cmake build.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133989 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28indvars --disable-iv-rewrite: sever ties with IVUsers.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133988 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28indvars --disable-iv-rewrite: Defer evaluating s/zext until SCEVAndrew Trick
evaluates all other IV exprs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133982 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Fix CMake build by removing this now dead file.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133981 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28FileCheck-ize a test that had the strangest TCL quote I've seen yet: anChandler Carruth
opening single quote with no closing single quote, and with {} quotes "inside" of it. This broke some of our tools that scrape test cases. Also, while here, make the test actually assert what the comment says it asserts. This was essentially authored by Nick Lewycky, and merely typed in by myself. Let me know if this is still missing the mark, but the previous test only succeeded due to the improper quoting preventing *anything* from matching the grep -- it had a '4(%...)' sequence in the output! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133980 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Alternative name enum should go into the enum portion.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133979 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Fix a bad iterator dereference that Evan uncovered.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133978 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28ARM Thumb2 asm syntax optional destination operand for binary operators.Jim Grosbach
When the destination operand is the same as the first source register operand for arithmetic instructions, the destination operand may be omitted. For example, the following two instructions are equivalent: and r1, #ff and r1, r1, #ff rdar://9672867 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133973 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Remove RegClass2VRegMap from MachineRegisterInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133967 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27ARM Assembly support for Thumb mov-immediate.Jim Grosbach
Correctly parse the forms of the Thumb mov-immediate instruction: 1. 8-bit immediate 0-255. 2. 12-bit shifted-immediate. The 16-bit immediate "movw" form is also legal with just a "mov" mnemonic, but is not yet supported. More parser logic necessary there due to fixups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133966 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Remove RCBarriers from TargetInstrDesc.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133964 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Remove the experimental (and unused) pre-ra splitting pass. Greedy regalloc ↵Evan Cheng
can split live ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133962 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27indvars -disable-iv-rewrite: run RLEV after SimplifyIVUsers forAndrew Trick
a bit more control over the order SCEVs are evaluated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Revert r133516 "Remove some unnecessary uses of c_str()."Chad Rosier
This was causing compile-time failures for some of the Objc and Obj-C++ benchmarks. The specific errors were of the form: "ld: duplicate symbol …" rdar://9660124 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133955 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27During bottom up fast-isel, instructions emitted to materalize registers are ↵Devang Patel
at top of basic block and do not have debug location. This may misguide debugger while entering the basic block and sometimes debugger provides semi useful view of current location to developer by picking up previous known location as current location. Assign a sensible location to the first instruction in a basic block, if it does not have one location derived from source file, so that debugger can provide meaningful user experience to developers in edge cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133953 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27Fix this test to actually check something and be able to be compiled.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133952 91177308-0d34-0410-b5e6-96231b3b80d8
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