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2012-09-21Add an --enable-backtraces option to configure to determineEric Christopher
whether or not we want to print out backtrace information. Useful for libraries that don't need backtrace information on a crash. rdar://11844710 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164426 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21[ms-inline asm] Expose the mnemonicIsValid() function in the AsmParser.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Have the DbgVariable "isArtificial" and "isObjectPointer" notEric Christopher
care about it being an argument variable so that we can decide that captured block and lambda vars that don't happen to be arguments could be an argument pointer. Add the object pointer for one case onto the subprogram die. rdar://12001329 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164419 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Add comment.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164415 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Add comment.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164414 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Fix a significant recent(?) regression. StackSlotColoring no longer did anythingEvan Cheng
because LiveStackAnalysis was not preserved by VirtRegWriter. This caused big stack usage regression in some cases. rdar://12340383 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164408 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21LoopIdiom: Give up when the loop is not in canonical form.Benjamin Kramer
We rely on it when doing the transforms. This can happen when there is an indirectbr in the loop. Fixes PR13892. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164383 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21[fast-isel] Fallback to SelectionDAG isel if we require strict alignment forChad Rosier
non-aligned i32 loads/stores. rdar://12304911 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21InstCombine: Make sure we use the pre-zext type when creating a constant of ↵Benjamin Kramer
a value that is zext'd. Fixes PR13250. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164377 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Encapsulate the "construct*AlignmentFromInt" functions.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164373 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Fix a typo in r164357Michael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164372 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Make the 'get*AlignmentFromAttr' functions into member functions within the ↵Bill Wendling
Attributes class. Now with fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164370 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21BitcodeReader: Correctly insert blockaddress constant referring to a already ↵Benjamin Kramer
parsed function. We inserted a placeholder that was never replaced because the function was already visited. Assert that all placeholders have been resolved when tearing down the bitcode reader. Fixes PR13895. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164369 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Cortex-A9 latency fixes (w/ -schedmodel only).Andrew Trick
Quick review against the manual revealed a few obvious mistakes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164361 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Add missing i8 max/min/umax/umin supportMichael Liao
- Fix PR5145 and turn on test 8-bit atomic ops git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164358 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Revise td of X86 atomic instructionsMichael Liao
- Rewirte most atomic instructions in templates for both better maintenance and future extensions, such as HLE in TSX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164357 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Mips16FrameLowering.cpp: Remove unused TII introduced in r164349. ↵NAKAMURA Takumi
[-Wunused-variable] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Properly save and restore RA and Mips16 callee save registers S0,S1Akira Hatanaka
Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21[fast-isel] Fallback to SelectionDAG isel if we require strict alignment forChad Rosier
non-halfword-aligned i16 loads/stores. rdar://12304911 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Tidy up. Whitespace.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Tidy up. Formatting.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164343 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21ARM: Use a dedicated intrinsic for vector bitwise select.Jim Grosbach
The expression based expansion too often results in IR level optimizations splitting the intermediate values into separate basic blocks, preventing the formation of the VBSL instruction as the code author intended. In particular, LICM would often hoist part of the computation out of a loop. rdar://11011471 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Ignore PHI-defs for -new-coalescer interference checks.Jakob Stoklund Olesen
A PHI can't create interference on its own. If two live ranges interfere at a PHI, they must also interfere when leaving one of the PHI predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164330 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Extend -new-coalescer SSA update to handle mapped values as well.Jakob Stoklund Olesen
The old-fashioned many-to-one value mapping doesn't always work when merging vector lanes. A value can map to multiple different values, and it can even be necessary to insert new PHIs. When a value number is defined by a copy from a value number that required SSa update, include the live range of the copied value number in the SSA update as well. It is not necessarily a copy of the original value number any longer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164329 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Only emit DW_AT_object_pointer if this is a definition.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164326 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20SimplifyCFG: sink common codes from IF, ELSE blocks down to END block.Manman Ren
We already have HoistThenElseCodeToIf, this patch implements SinkThenElseCodeToEnd. When END block has only two predecessors and each predecessor terminates with unconditional branches, we compare instructions in IF and ELSE blocks backwards and check whether we can sink the common instructions down. rdar://12191395 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164325 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Revert r164308 to fix buildbots.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Make the 'get*AlignmentFromAttr' functions into member functions within the ↵Bill Wendling
Attributes class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164308 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Remove more bare uses of the different Attribute enums.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164307 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Make the 'getAsString' function a method of the Attributes class.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164305 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Fix 80-col violations.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164297 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Change enum type in a static table to uint8_t instead. Saves about 700 ↵Craig Topper
hundred bytes of static data. Change unsigned char in same table to uint8_t for explicitness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-20Re-work X86 code generation of atomic ops with spin-loopMichael Liao
- Rewrite/merge pseudo-atomic instruction emitters to address the following issue: * Reduce one unnecessary load in spin-loop previously the spin-loop looks like thisMBB: newMBB: ld t1 = [bitinstr.addr] op t2 = t1, [bitinstr.val] not t3 = t2 (if Invert) mov EAX = t1 lcs dest = [bitinstr.addr], t3 [EAX is implicit] bz newMBB fallthrough -->nextMBB the 'ld' at the beginning of newMBB should be lift out of the loop as lcs (or CMPXCHG on x86) will load the current memory value into EAX. This loop is refined as: thisMBB: EAX = LOAD [MI.addr] mainMBB: t1 = OP [MI.val], EAX LCMPXCHG [MI.addr], t1, [EAX is implicitly used & defined] JNE mainMBB sinkMBB: * Remove immopc as, so far, all pseudo-atomic instructions has all-register form only, there is no immedidate operand. * Remove unnecessary attributes/modifiers in pseudo-atomic instruction td * Fix issues in PR13458 - Add comprehensive tests on atomic ops on various data types. NOTE: Some of them are turned off due to missing functionality. - Revise tests due to the new spin-loop generated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Convert some attribute existence queries over to use the predicate methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164268 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add predicates for queries on whether an attribute exists.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164264 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add in new data types that are used by AMDIL/ANL among others.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164261 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Resolve conflicts involving dead vector lanes for -new-coalescer.Jakob Stoklund Olesen
A common coalescing conflict in vector code is lane insertion: %dst = FOO %src = BAR %dst:ssub0 = COPY %src The live range of %src interferes with the ssub0 lane of %dst, but that lane is never read after %src would have clobbered it. That makes it safe to merge the live ranges and eliminate the COPY: %dst = FOO %dst:ssub0 = BAR This patch teaches the new coalescer to resolve conflicts where dead vector lanes would be clobbered, at least as long as the clobbered vector lanes don't escape the basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164250 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19This patch adds memory support functions which will later be used to ↵Andrew Kaylor
implement section-specific protection handling in MCJIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add support for macro parameters/arguments delimited by spaces,Preston Gurd
to improve compatibility with GNU as. Based on a patch by PaX Team. Fixed assertion failures on non-Darwin and added additional test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add support for accessing an MDNode's operands via the C binding. Patch byDuncan Sands
Anthony Bryant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164247 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Support default parameters/arguments for assembler macros.Preston Gurd
This patch is based on the one by PaX Team. Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Enhance unmatched '.endr' directive error message in assembler.Preston Gurd
The directive can be matched with directives other than '.rept' Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Unify the logic in SelectAtomicLoadAdd and SelectAtomicLoadArithMichael Liao
- Merge the processing of LOAD_ADD with other atomic load-arith operations - Separate the logic getting target constant for atomic-load-op and add an optimization for atomic-load-add on i16 with negative value - Optimize a minor case for atomic-fetch-add i16 with negative operand. Test case is revised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Renaming functions to match coding style guidelinesMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Doxygen-ify commentsMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164235 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Put the * and & next to the variable, rather than the type.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164232 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19GCC doesn't understand that OrigAliasResult having a value is correlated withDuncan Sands
ArePhisAssumedNoAlias, and warns that OrigAliasResult may be used uninitialized. Pacify GCC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164229 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Small structs for PPC64 SVR4 must be passed right-justified in registers.Bill Schmidt
lib/Target/PowerPC/PPCISelLowering.{h,cpp} Rename LowerFormalArguments_Darwin to LowerFormalArguments_Darwin_Or_64SVR4. Rename LowerFormalArguments_SVR4 to LowerFormalArguments_32SVR4. Receive small structs right-justified in LowerFormalArguments_Darwin_Or_64SVR4. Rename LowerCall_Darwin to LowerCall_Darwin_Or_64SVR4. Rename LowerCall_SVR4 to LowerCall_32SVR4. Pass small structs right-justified in LowerCall_Darwin_Or_64SVR4. test/CodeGen/PowerPC/structsinregs.ll New test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19SimplifyCFG: Don't generate invalid code for switch used to initializeHans Wennborg
two variables where the first variable is returned and the second ignored. I don't think this occurs in practice (other passes should have cleaned up the unused phi node), but it should still be handled correctly. Also make the logic for determining if we should return early less sketchy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19IntegerDivision: Style cleanups, avoid warning about mixing || and && ↵Benjamin Kramer
without parens. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164216 91177308-0d34-0410-b5e6-96231b3b80d8
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