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* Add optimization to Target/README.txt.Nick Lewycky2010-08-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110543 91177308-0d34-0410-b5e6-96231b3b80d8
* Reject unrepresentable pointer types in intrinsics. Fixes PR7316.Nick Lewycky2010-08-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110541 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the "isCompare" machine instruction attribute instead of calling theBill Wendling2010-08-08
| | | | | | | | | | relatively expensive comparison analyzer on each instruction. Also rename the comparison analyzer method to something more in line with what it actually does. This pass is will eventually be folded into the Machine CSE pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110539 91177308-0d34-0410-b5e6-96231b3b80d8
* Do more to modernize MergeFunctions. Refactor in response to Chris' code review.Nick Lewycky2010-08-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110538 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a couple of warnings.Eric Christopher2010-08-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110527 91177308-0d34-0410-b5e6-96231b3b80d8
* Roll back my last two commits, valgrind complains.Benjamin Kramer2010-08-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110518 91177308-0d34-0410-b5e6-96231b3b80d8
* Kill rarely used std::sort.Benjamin Kramer2010-08-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110516 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove layering violation.Owen Anderson2010-08-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110505 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an inverse() method to ConstantRange.Owen Anderson2010-08-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110504 91177308-0d34-0410-b5e6-96231b3b80d8
* More #include cleanups.Dan Gohman2010-08-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110499 91177308-0d34-0410-b5e6-96231b3b80d8
* Oops, check in this file too.Dan Gohman2010-08-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110496 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy some #includes and forward-declarations, and move the C binding codeDan Gohman2010-08-07
| | | | | | | out of PassManager.cpp and into Core.cpp with the rest of the C binding code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110494 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a convenience constructor.Owen Anderson2010-08-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110493 91177308-0d34-0410-b5e6-96231b3b80d8
* Use sdmem and sse_load_f64 (etc.) for the vectorDale Johannesen2010-08-07
| | | | | | | | | | form of CMPSD (etc.) Matching a 128-bit memory operand is wrong, the instruction uses only 64 bits (same as ADDSD etc.) 8193553. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110491 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't attempt the PRE inline asm calls, since we don't value number them ↵Owen Anderson2010-08-07
| | | | | | yet. Fixes PR7835. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110489 91177308-0d34-0410-b5e6-96231b3b80d8
* Lazily defer duplicating the live interval we are splitting until we know it isJakob Stoklund Olesen2010-08-06
| | | | | | | | | | necessary. Sometimes, live range splitting doesn't shrink the current interval, but simply changes some instructions to use a new interval. That makes the original more suitable for spilling. In this case, we don't need to duplicate the original. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110481 91177308-0d34-0410-b5e6-96231b3b80d8
* Patterns to match AVX 256-bit vzero intrinsicsBruno Cardoso Lopes2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110480 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate PromoteMemoryToRegisterID; just use addPreserved("mem2reg")Dan Gohman2010-08-06
| | | | | | | instead, as an example of what this looks like. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110478 91177308-0d34-0410-b5e6-96231b3b80d8
* Patterns to match AVX 256-bit permutation intrinsicsBruno Cardoso Lopes2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110468 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup comment wordingJim Grosbach2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110466 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove empty processFunctionBeforeFrameFinalized(). The defaultJim Grosbach2010-08-06
| | | | | | | | | implementation of the function is equivalent, so no need to provide the target-specific version until/unless it needs to do something. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110465 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep the MachiuneFunctionPass pointer around. It is useful for verification.Jakob Stoklund Olesen2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110464 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LiveInterval::RenumberValues - Garbage collection for VNInfos.Jakob Stoklund Olesen2010-08-06
| | | | | | | After heavy editing of a live interval, it is much easier to simply renumber the live values instead of trying to keep track of the unused ones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110463 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r110396, with fixes to appease the Linux buildbot gods.Owen Anderson2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement a proper getModRefInfo for va_arg.Dan Gohman2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110458 91177308-0d34-0410-b5e6-96231b3b80d8
* Be more conservative in the face of volatile.Dan Gohman2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110456 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Dan Gohman2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110455 91177308-0d34-0410-b5e6-96231b3b80d8
* Add more verification of LiveIntervals.Jakob Stoklund Olesen2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110454 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix swapped COPY operands.Jakob Stoklund Olesen2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110453 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to verify LiveIntervals for physical registers.Jakob Stoklund Olesen2010-08-06
| | | | | | | | | When a physical register is in use, some alias of that register has a live interval with a relevant live range. That is the sad state of intervals after physreg coalescing of subregs, and it is good enough for correct register allocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110452 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix eabi calling convention when a 64 bit value shadows r3.Rafael Espindola2010-08-06
| | | | | | | | | | | Without this what was happening was: * R3 is not marked as "used" * ARM backend thinks it has to save it to the stack because of vaarg * Offset computation correctly ignores it * Offsets are wrong git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110446 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix uninitialized variable warning.Nick Lewycky2010-08-06
| | | | | | | | | Also move 'default' case next to a real case to help compiler optimize in non-Debug builds. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110435 91177308-0d34-0410-b5e6-96231b3b80d8
* Work in progress, cleaning up MergeFuncs.Nick Lewycky2010-08-06
| | | | | | | | | Further clean up the comparison function by removing overly generalized "domains". Remove all understanding of ELF aliases and simplify folding code and comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110434 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake build.Ted Kremenek2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110429 91177308-0d34-0410-b5e6-96231b3b80d8
* Patterns to match AVX 256-bit horizontal arithmetic intrinsicsBruno Cardoso Lopes2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110427 91177308-0d34-0410-b5e6-96231b3b80d8
* Patterns to match AVX 256-bit arithmetic intrinsicsBruno Cardoso Lopes2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110425 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the Optimize Compares pass (disabled by default).Bill Wendling2010-08-06
| | | | | | | | | | | | | | | | | This pass tries to remove comparison instructions when possible. For instance, if you have this code: sub r1, 1 cmp r1, 0 bz L1 and "sub" either sets the same flag as the "cmp" instruction or could be converted to set the same flag, then we can eliminate the "cmp" instruction all together. This is a important for ARM where the ALU instructions could set the CPSR flag, but need a special suffix ('s') to do so. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110423 91177308-0d34-0410-b5e6-96231b3b80d8
* Move all the logic for function attributes and call attributes out of theDan Gohman2010-08-06
| | | | | | | | | | | | | | AliasAnalysis base class and into BasicAliasAnalyais. This avoids confusion about where such logic is happening when there are other AliasAnalysis implementations present. Move the logic for translating two-callsite getModRefInfo queries into other AliasAnalysis queries out of BasicAliasAnalysis and into the AliasAnalysis base class, as it is useful for other AliasAnalysis implementations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110421 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix botched revert.Owen Anderson2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110416 91177308-0d34-0410-b5e6-96231b3b80d8
* While emitting DBG_VALUE for registers spilled at the end of a block do not ↵Devang Patel2010-08-06
| | | | | | use location of MBB->end(). If a block does not have terminator then incoming iterator points to end(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110411 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r110396 to fix buildbots.Owen Anderson2010-08-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an option to always emit realignment code for a particular module.Eric Christopher2010-08-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110404 91177308-0d34-0410-b5e6-96231b3b80d8
* Be more aggressive about removing joined physreg copies.Jakob Stoklund Olesen2010-08-05
| | | | | | | When a joined COPY changes subreg liveness, we keep it around as a KILL, otherwise it is safe to delete. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110403 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't verify LiveVariables if LiveIntervals is available.Jakob Stoklund Olesen2010-08-05
| | | | | | | | LiveVariables becomes horribly wrong while the coalescer is running, but the analysis is not zapped until after the coalescer pass has run. This causes tons of false reports when calling verify form the coalescer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110402 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80-column violations.Dan Gohman2010-08-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110401 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use PassInfo* as a type identifier for passes. Instead, use the ↵Owen Anderson2010-08-05
| | | | | | | | | address of the static ID member as the sole unique type identifier. Clean up APIs related to this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove IntrWriteMem, as it's the default. Rename IntrWriteArgMemDan Gohman2010-08-05
| | | | | | | to IntrReadWriteArgMem, as it's for reading as well as writing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110395 91177308-0d34-0410-b5e6-96231b3b80d8
* Support very basic (doesn't include ABI support in the front-end, varags, ↵Bruno Cardoso Lopes2010-08-05
| | | | | | ...) 256-bit argument passing and return for AVX git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110394 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement AccessesArguments checking in the two-callsite formDan Gohman2010-08-05
| | | | | | | | of BasicAA::getModRefInfo. This allows BasicAA to say that two memset calls to non-aliasing memory locations don't interfere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110393 91177308-0d34-0410-b5e6-96231b3b80d8
* Yes, we can do better, but this is not the place for it.Dan Gohman2010-08-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110391 91177308-0d34-0410-b5e6-96231b3b80d8
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