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2012-02-15For ELF, also call fixSymbolsInTLSFixups() on expressions passed to ↵David Meyer
EmitValue (literal values). Previously only called on expressions in instructions. New test cases added to tls.s, tls-i386.s. Resolves PR11981. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150582 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Strip the pointer casts from the constants here.Bill Wendling
The c'tor list is stored as a list of 'void ()*'s, so all of the functions are bitcast to that. However, the dyn_cast doesn't automagically look through bitcasts. Do that for it. <rdar://problem/10813350> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150572 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Add a way to replace a field inside a metadata node. This can beEric Christopher
used to incrementally update a created node without needing a temporary node and RAUW. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150571 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Revert r150565 again. Appears to be a stage2 failure with dragonegg.Andrew Trick
I'll put MachineLICM back before PEI. All my arm/x86 benchmarks look good, but buildbots don't like it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150568 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Reapply r150565 with the typo fix properly merged.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150567 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15reverting r150565. Premature push.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Move PostRAMachineLICM into MachineLateOptimization. It now runs after PEI!Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150565 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Allow CodeGen (llc) command line options to work as expected.Andrew Trick
The llc command line options for enabling/disabling passes are local to CodeGen/Passes.cpp. This patch associates those options with standard pass IDs so they work regardless of how the target configures the passes. A target has two ways of overriding standard passes: 1) Redefine the pass pipeline (override TargetPassConfig::add%Stage) 2) Replace or suppress individiual passes with TargetPassConfig::substitutePass. In both cases, the command line options associated with the pass override the target default. For example, say a target wants to disable machine instruction scheduling by default: - The target calls disablePass(MachineSchedulerID) but otherwise does not override any TargetPassConfig methods. - Without any llc options, no scheduler is run. - With -enable-misched, the standard machine scheduler is run and honors the -misched=... flag to select the scheduler variant, which may be used for performance evaluation or testing. Sorry overridePass is ugly. I haven't thought of a better way without replacing the cl::opt framework. I hope to do that one day... I haven't figured out why CodeGen uses char& for pass IDs. AnalysisID is much easier to use and less bug prone. I'm using it wherever I can for internal implementation. Maybe later we can change the global pass ID definitions as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150563 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Added TargetPassConfig::disablePass/substitutePass as a general mechanism to ↵Andrew Trick
override specific passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150562 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Don't emit live ranges for physregs live-ins that are dead.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150553 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Disentangle moving a machine instr from updating LiveIntervals.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150552 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Added hook to let targets custom lower splitting of illegal vectorsPete Cooper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150550 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Use a temporary variable, rather then a series of redundant calls.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150538 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Stop custom lowering forr x86 DEC64m from happening if the load in the ↵Pete Cooper
lowered sequence has more than 1 user git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150537 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Use a temporary variable, rather then a series of redundant calls.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Fix global live range splitting regmask accuracy.Jakob Stoklund Olesen
Pretend that regmask interference ends at the 'dead' slot, even when there is other interference ending at the 'reg' slot of the same instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150531 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Fix details in local live range splitting with regmasks.Jakob Stoklund Olesen
Perform all comparisons at instruction granularity, and make sure register masks on uses count in both gaps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150530 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Handle regmasks in findRegisterDefOperandIdx().Jakob Stoklund Olesen
Only accept register masks when looking for an 'overlapping' def. When Overlap is not set, the function searches for a proper definition of Reg. This means MI->modifiesRegister() considers register masks, but MI->definesRegister() doesn't. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150529 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Use the proper clobber check in handleLiveInRegister().Jakob Stoklund Olesen
When a physreg is live in to a basic block, look for any instruction in the block that clobbers the physreg. The instruction doesn't have to properly redefine the register, any overlapping clobber is OK. This slightly changes live ranges when compiling with register masks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150528 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Dump live intervals in numerical order.Jakob Stoklund Olesen
The old DenseMap hashed order was very confusing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150527 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Don't create a new copy of reserved regs - we already have one handy.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Remove unnecessary assignment to temporary, ResultReg.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Using the new external-linkage warning recently added instead of disabling ↵Aaron Ballman
all return type warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150512 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Fixing warning due to the new "UTD return type in extern 'C'".Aaron Ballman
Patch by Matt Johnson git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150508 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Add code to the target lowering object file module to handle module flags.Bill Wendling
The MachO back-end needs to emit the garbage collection flags specified in the module flags. This is a WIP, so the front-end hasn't been modified to emit these flags just yet. Documentation and front-end switching to occur soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150507 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Update MachineVerifier to check the new physreg live-in rules.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150496 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Tighten physical register invariants: Allocatable physical registers canLang Hames
only be live in to a block if it is the function entry point or a landing pad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Fix PR12000. Some vector operations may use scalar operands with typesNadav Rotem
that are greater than the vector element type. For example BUILD_VECTOR of type <1 x i1> with a constant i8 operand. This patch fixes the assertion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150477 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Turn push_back loops into append/insert.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150471 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Capitalize messages so that they appear nicely with the linker's error messages.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150466 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Move old movl vector_shuffle patterns. Not needed anymore since ↵Craig Topper
vector_shuffles shouldn't reach isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150462 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Rename getExceptionAddressRegister() to getExceptionPointerRegister() for ↵Lang Hames
consistency with setExceptionPointerRegister(...). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150460 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Use convenience function for consistency.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150457 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14[tsan] fix compiler warningsKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150449 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Third time's the charm...?Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150447 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Unswap swap operands, partially reducing confusion.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Add simplifyLoopLatch to LoopRotate pass.Andrew Trick
This folds a simple loop tail into a loop latch. It covers the common (in fortran) case of postincrement loops. It's a "free" way to expose this type of loop to downstream loop optimizations that bail out on non-canonical loops (getLoopLatch is a heavily used check). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150439 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150438 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Don't reserve the R0 and R1 registers here. We don't use these registers, andBill Wendling
marking them as "live-in" into a BB ruins some invariants that the back-end tries to maintain. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150437 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Don't recalculate the size of the vector each time through the loop.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150436 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Make operands for VSWP read-modify-write.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150433 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Add register mask support to ScheduleDAGRRList.Jakob Stoklund Olesen
The scheduler will sometimes check the implicit-def list on instructions to properly handle pre-colored DAG edges. Also check any register mask operands for physreg clobbers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Check against umin while converting fcmp into an icmp.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150425 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Just like in regular escape analysis, loads and stores throughDan Gohman
(but not of) a block pointer do not cause the block pointer to escape. This fixes rdar://10803830. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150424 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13ThreadSanitizer, a race detector. First LLVM commit.Kostya Serebryany
Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13LiveIntervalAnalysis does not depend on MachineLoopInfo.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Check regmask interference for -join-physregs.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150404 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Fix a bug in DAGCombine for the optimization of BUILD_VECTOR. We cant ↵Nadav Rotem
generate a shuffle node from two vectors of different types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150383 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Remove duplicate code in this header file which seemed to undergo a ↵Ahmed Charles
copy/paste fiasco. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150369 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Still more vector_shuffle pattern removal.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150365 91177308-0d34-0410-b5e6-96231b3b80d8
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