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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
2012-02-13Fix various issues (or do cleanups) found by enabling certain MSVC warnings.Ahmed Charles
- Use unsigned literals when the desired result is unsigned. This mostly allows unsigned/signed mismatch warnings to be less noisy even if they aren't on by default. - Remove misplaced llvm_unreachable. - Add static to a declaration of a function on MSVC x86 only. - Change some instances of calling a static function through a variable to simply calling that function while removing the unused variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150364 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Remove more vector_shuffle patterns for unpack. These should be target ↵Craig Topper
specific nodes when they get to isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150363 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Recommit r150328. Previous test failures should be fixed by r150360.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150362 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Update CanXFormVExtractWithShuffleIntoLoad to ensure bitcasts of loads only ↵Craig Topper
have one use. Matches DAGCombiner and prevents vector_shuffles from reaching isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150360 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Revert r150328, "Remove more vector_shuffle patterns."NAKAMURA Takumi
It caused 3 failures on pre-penryn and non-x86(generic) hosts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150357 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Fixed bug when custom lowering DEC64m on x86.Pete Cooper
If the DEC node had more than one user, it was doing this lowering but leaving the original DEC node around and so decrementing twice. Fixes PR11964. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150356 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12This patch addresses the problem of poor code generation for the zextNadav Rotem
v8i8 -> v8i32 on AVX machines. The codegen often scalarizes ANY_EXTEND nodes. The DAGCombiner has two optimizations that can mitigate the problem. First, if all of the operands of a BUILD_VECTOR node are extracted from an ZEXT/ANYEXT nodes, then it is possible to create a new simplified BUILD_VECTOR which uses UNDEFS/ZERO values to eliminate the scalar ZEXT/ANYEXT nodes. Second, another dag combine optimization lowers BUILD_VECTOR into a shuffle vector instruction. In the case of zext v8i8->v8i32 on AVX, a value in an XMM register is to be shuffled into a wide YMM register. This patch modifes the second optimization and allows the creation of shuffle vectors even when the newly generated vector and the original vector from which we extract the values are of different types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12StringSwitchify the rest of Triple.cpp.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150332 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Switch a bunch of manual if-chains to use StringSwitch. Clean them up inChandler Carruth
the process. Some of these are still a bit gross. Still, this cuts 80 some lines out of this ridiculous file. ;] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150331 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Remove more vector_shuffle patterns.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150328 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Expose the ELFObjectFile class directly in the Object/ELF.h header, similarlyEli Bendersky
to what's done for MachO and COFF. This allows advanced uses of the class to be implemented outside the Object library. In particular, the DyldELFObject subclass is now moved into its logical home - ExecutionEngine/RuntimeDyld. This patch was reviewed by Michael Spencer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150327 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Handle InvokeInst in EvaluateBlock. Don't try to support exceptions, it's justNick Lewycky
that no optz'ns have run yet to convert invokes to calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150326 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12false is totally null!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150324 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Remove redundant getAnalysis<> calls in GlobalOpt. Add a few Itanium ABI callsNick Lewycky
to TargetLibraryInfo and use one of them in GlobalOpt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150323 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Pass TargetData and TargetLibraryInfo through to the constant folder. Fixes aNick Lewycky
few fixme's when TLI was added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150322 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Remove more vector_shuffle patterns.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150321 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Fix function name in comment to match actual name. Fix comments that are usingNick Lewycky
doxy-style on local variables to not do so. Fix one 80-col violation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150320 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-12Don't traverse the PHI nodes twice. No functionality change!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150319 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Remove more vector_shuffle patterns.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150314 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Add support for implicit TLS model used with MS VC runtime.Anton Korobeynikov
Patch by Kai Nacke! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150307 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Don't mix declarations and code.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150305 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Make the EDis tables const.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Reuse the enum names from X86Desc in the X86Disassembler.Benjamin Kramer
This requires some gymnastics to make it available for C code. Remove the names from the disassembler tables, making them relocation free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150303 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11[WIP] Initial code for module flags.Bill Wendling
Module flags are key-value pairs associated with the module. They include a 'behavior' value, indicating how module flags react when mergine two files. Normally, it's just the union of the two module flags. But if two module flags have the same key, then the resulting flags are dictated by the behaviors. Allowable behaviors are: Error Emits an error if two values disagree. Warning Emits a warning if two values disagree. Require Emits an error when the specified value is not present or doesn't have the specified value. It is an error for two (or more) llvm.module.flags with the same ID to have the Require behavior but different values. There may be multiple Require flags per ID. Override Uses the specified value if the two values disagree. It is an error for two (or more) llvm.module.flags with the same ID to have the Override behavior but different values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150300 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Remove some patterns for matching vector_shuffle instructions since ↵Craig Topper
vector_shuffles should be custom lowered before isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150299 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Add TargetPassConfig hooks for scheduling/bundling.Andrew Trick
In case the MachineScheduling pass I'm working on doesn't work well for another target, they can completely override it. This also adds a hook immediately after the RegAlloc pass to cleanup immediately after vregs go away. We may want to fold it into the postRA hook later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150298 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Fix shuffle lowering code to stop creating temporary DAG nodes to do shuffle ↵Craig Topper
mask checks on. This seemed to be confusing things such that vector_shuffle ops to got through to iselection. This is another step towards removing the vector_shuffle handling patterns from isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150296 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Allow Post-RA LICM to hoist reserved register reads.Jakob Stoklund Olesen
When using register masks, registers like %rip are clobbered by the register mask. LICM should still be able to hoist instructions reading %rip from a loop containing calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150288 91177308-0d34-0410-b5e6-96231b3b80d8
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