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2012-05-08s/CSR_Ghc/CSR_NoRegs/Jakob Stoklund Olesen
Share the CalleeSavedRegs defs between all calling conventions having no callee-saved registers. Patch by Yiannis Tsiouris! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156382 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Lit: rewind WinWaitReleased() stuff in TestRunner.NAKAMURA Takumi
r145222 "lit/TestRunner.py: [Win32] Introduce WinWaitReleased(f), to wait for file handles to be released by children." r145223 "lit/TestRunner.py: Use RemoveForce()." r145381 "lit/TestRunner.py: Try to catch ERROR_FILE_NOT_FOUND, too." r152916 "lit/TestRunner.py: [Win32] Check all opened_files[] released, rather than (obsoleted) written_files[]." r153172 "lit/TestRunner.py: [Win32] Rework WinWaitReleased() again! "win32file" from Python Win32 Extensions." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Windows/PathV2.inc: Retry rename() for (maximum) 2 seconds.NAKAMURA Takumi
Files might be opend by system scanners (eg. file indexer, virus scanner, &c). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156380 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Calling ReassociateExpression recursively is extremely dangerous since it willDuncan Sands
replace the operands of expressions with only one use with undef and generate a new expression for the original without using RAUW to update the original. Thus any copies of the original expression held in a vector may end up referring to some bogus value - and using a ValueHandle won't help since there is no RAUW. There is already a mechanism for getting the effect of recursion non-recursively: adding the value to be recursed on to RedoInsts. But it wasn't being used systematically. Have various places where recursion had snuck in at some point use the RedoInsts mechanism instead. Fixes PR12169. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156379 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Rejected r156374: Ordinary PR1255 patch. Due to clang-x86_64-debian-fnt ↵Stepan Dyatkovskiy
buildbot failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156377 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Remove 256-bit AVX non-temporal store intrinsics. Similar was previously ↵Craig Topper
done for 128-bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156375 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Ordinary patch for PR1255.Stepan Dyatkovskiy
Added new case-ranges orientated methods for adding/removing cases in SwitchInst. After this patch cases will internally representated as ConstantArray-s instead of ConstantInt, externally cases wrapped within the ConstantRangesSet object. Old methods of SwitchInst are also works well, but marked as deprecated. So on this stage we have no side effects except that I added support for case ranges in BitcodeReader/Writer, of course test for Bitcode is also added. Old "switch" format is also supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156374 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Allow NULL LoopPassManager argument in UnrollLoop. PR12734.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156358 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08Extract methods for joining physregs.Jakob Stoklund Olesen
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Naming convention and whitespace. No functional change.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Coalesce subreg-subreg copies.Jakob Stoklund Olesen
At least some of them: %vreg1:sub_16bit = COPY %vreg2:sub_16bit; GR64:%vreg1, GR32: %vreg2 Previously, we couldn't figure out that the above copy could be eliminated by coalescing %vreg2 with %vreg1:sub_32bit. The new getCommonSuperRegClass() hook makes it possible. This is not very useful yet since the unmodified part of the destination register usually interferes with the source register. The coalescer needs to understand sub-register interference checking first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Remove C Backend from the bugpoint docsPete Cooper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156333 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add an MF argument to TRI::getPointerRegClass() and TII::getRegClass().Jakob Stoklund Olesen
The getPointerRegClass() hook can return register classes that depend on the calling convention of the current function (ptr_rc_tailcall). So far, we have been able to infer the calling convention from the subtarget alone, but as we add support for multiple calling conventions per target, that no longer works. Patch by Yiannis Tsiouris! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156328 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Fix bug in TRI::getCommonSuperRegClass().Jakob Stoklund Olesen
Test cases for this code are coming. It is not used for anything yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156327 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Teach DAG combine to fold x-x to 0.0 when unsafe FP math is enabled.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156324 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Teach reassociate to commute FMul's and FAdd's in order to canonicalize the ↵Owen Anderson
order of their operands across instructions. This allows for greater CSE opportunities. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156323 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Make IntelJITEvents and OProfileJIT as optional libraries and addPreston Gurd
optional library support to the llvm-build tool: - Add new command line parameter to llvm-build: “--enable-optional-libraries” - Add handing of new llvm-build library type “OptionalLibrary” - Update Cmake and automake build systems to pass correct flags to llvm-build based on configuration Patch by Dan Malea! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156319 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Constify (trivially) ImmutableSet::iterator::getVisitState().Jordy Rose
This was probably intended all along. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add TRI::getCommonSuperRegClass().Jakob Stoklund Olesen
This function is a generalization of getMatchingSuperRegClass() to the symmetric case where both sides are using a sub-register index. It will find a super-register class and sub-register indexes that make this diagram commute: PreA SuperRC ----------> RCA | | | | PreB | | SubA | | | | V V RCB ----------> SubRC SubB This can be used to coalesce copies like: %vreg1:sub16 = COPY %vreg2:sub16; GR64:%vreg1, GR32: %vreg2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156317 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Fix a regression from r147481. This combine should only happen if there is aChad Rosier
single use. rdar://11360370 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156316 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Don't assume size_t is unsigned long long.Matt Beaumont-Gay
Fixes a -Woverflow warning from gcc when building for 32-bit platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156313 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07X86: optimization for -(x != 0)Manman Ren
This patch will optimize -(x != 0) on X86 FROM cmpl $0x01,%edi sbbl %eax,%eax notl %eax TO negl %edi sbbl %eax %eax In order to generate negl, I added patterns in Target/X86/X86InstrCompiler.td: def : Pat<(X86sub_flag 0, GR32:$src), (NEG32r GR32:$src)>; rdar: 10961709 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156312 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'x' constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156295 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'l' constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156294 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'c' constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156293 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'P' constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156292 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Fix trivial typo in llvm_move.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Fix some issues in the f16c instructions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'O' constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'N' inline asm constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156284 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'L' inline asm constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156283 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the inline asm constraint 'K'.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156282 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add SSE4A MOVNTSS/MOVNTSD instructions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Support the 'J' constraint.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156280 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Add support for the 'I' inline asm constraint. Also add testsEric Christopher
from the previous 2 patches. Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156279 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Allow 64 bit integer values in gpu registers if arch and abi are 64 bit.Eric Christopher
Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156278 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07When using inline asm constraints representingEric Christopher
non-floating point general registers allow 8 and 16-bit elements. Patch by Jack Carter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156277 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07Tidy up. Whitespace.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156276 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06Use MVT instead of EVT as the argument to all the shuffle decode functions. ↵Craig Topper
Simplify some of the decode functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156268 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06Add VPERMQ/VPERMPD to the list of target specific shuffles that can be ↵Craig Topper
looked through for DAG combine purposes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156266 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06Add shuffle decode support for VPERMQ/VPERMPD.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156265 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06TableGen: AsmMatcher diagnostic when missing instruction mnemonic.Jim Grosbach
Previously, if an instruction definition was missing the mnemonic, the next line would just assert(). Issue a real diagnostic instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06make SourceMgr tolerate empty SMLoc()'s better.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156260 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06Switch the select to branch transformation on by default.Benjamin Kramer
The primitive conservative heuristic seems to give a slight overall improvement while not regressing stuff. Make it available to wider testing. If you notice any speed regressions (or significant code size regressions) let me know! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156258 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06Remove trailing spaces.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156257 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06Unix/Process.inc: Give more useful random seed to srand. Workaround for PR12743.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156252 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06Support/Process: Move llvm::sys::Process::GetRandomNumber() from Process.cpp ↵NAKAMURA Takumi
to Unix/Process.inc. FIXME: GetRandomNumber() is not implemented in Win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05reapply my patch, with a fix for an off-by-one error. Turned out to be a lotChris Lattner
of work for a drive-by fix :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05revert my patches, which are causing problems.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05add missing header <shame>Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156244 91177308-0d34-0410-b5e6-96231b3b80d8
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