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2010-11-17Have RemovePredecessorAndSimplify you SimplifyInstructionDuncan Sands
rather than hasConstantValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119457 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17Remove dead code in GVN: now that SimplifyInstruction is calledDuncan Sands
systematically, CollapsePhi will always return null here. Note that CollapsePhi did an extra check, isSafeReplacement, which the SimplifyInstruction logic does not do. I think that check was bogus - I guess we will soon find out! (It was originally added in commit 41998 without a testcase). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119456 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17Memoize results from ScalarEvolution's getUnsignedRange and getSignedRange.Dan Gohman
This fixes some extreme compile times on unrolled sha512 code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119455 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17Only avoid the check if we're the last operand before the variableEric Christopher
operands in a variadic instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119446 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17Add binary emission stuff for VLDM/VSTM. This reuses theBill Wendling
"getRegisterListOpValue" logic. If the registers are double or single precision, the value returned is suitable for VLDM/VSTM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119435 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17Fix typo: Exectuable -> ExecutablePeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Use the correct variable names so that the encodings will be correct.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119403 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Reapply r118917. With pseudo-instruction expansion moved toDan Gohman
a different pass, the complicated interaction between cmov expansion and fast isel is no longer a concern. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119400 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Fix assembling X86CompilationCallback_Win64.asm on VS 10.Oscar Fuentes
Patch by Louis Zhuang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119394 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Fix grammaro.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119386 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Add ExpandPseudos.cpp.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119385 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Add .loc methods to the streamer.Rafael Espindola
Next: Add support for the !HasDotLocAndDotFile case to the MCAsmStreamer and then switch codegen to use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119384 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Split pseudo-instruction expansion into a separate pass, to make itDan Gohman
easier to debug, and to avoid complications when the CFG changes in the middle of the instruction selection process. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119382 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Fix emergency spilling in LiveIntervals::spillPhysRegAroundRegDefsUses.Jakob Stoklund Olesen
Always spill the full representative register at any point where any subregister is live. This fixes PR8620 which caused the old logic to get confused and not spill anything at all. The fundamental problem here is that the coalescer is too aggressive about physical register coalescing. It sometimes makes it impossible to allocate registers without these emergency spills. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Print out the register class of the current interval.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119374 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Parse and ignore some .cfi_* directives.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119362 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16This is the first step in adding sane error handling support to LLVMSystem.Michael J. Spencer
The system API's will be shifted over to returning an error_code, and returning other return values as out parameters to the function. Code that needs to check error conditions will use the errc enum values which are the same as the posix_errno defines (EBADF, E2BIG, etc...), and are compatable with the error codes in WinError.h due to some magic in system_error. An example would be: if (error_code ec = KillEvil("Java")) { // error_code can be converted to bool. handle_error(ec); } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119360 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16ARM conditional mov encoding fix.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119354 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Have a few places that want to simplify phi nodes use SimplifyInstructionDuncan Sands
rather than calling hasConstantValue. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119352 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16In which I discover the existence of loops. Threading an operationDuncan Sands
over a phi node by applying it to each operand may be wrong if the operation and the phi node are mutually interdependent (the testcase has a simple example of this). So only do this transform if it would be correct to perform the operation in each predecessor of the block containing the phi, i.e. if the other operands all dominate the phi. This should fix the FFMPEG snow.c regression reported by İsmail Dönmez. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119347 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16A bit more of gnu as compatibility when handling relocations with aliases.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119328 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16L_bit doesn't work here.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119325 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16- Remove dead patterns.Bill Wendling
- Add encodings to the *LDMIA_RET instrs. Probably not needed... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119323 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16vldm and vstm are mnemonics for vldmia and vstmia resp.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119321 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Make the verifier a little quieter on instructions that it's probablyEric Christopher
(and likely) wrong about anyhow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119320 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Fix a bug I introduced in the ppc refactoring, which caused longChris Lattner
branches to be emitted as: bne cr0, 2 instead of: bne cr0, $+8 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119317 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Encode the multi-load/store instructions with their respective modes ('ia',Bill Wendling
'db', 'ib', 'da') instead of having that mode as a separate field in the instruction. It's more convenient for the asm parser and much more readable for humans. <rdar://problem/8654088> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119310 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Object: Get rid of sys::Path, Triple, and cleanup namespace.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119309 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16add copy of comment to the code that will survive the mcjit'izationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119308 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16relax an assertion a bit, allowing the GPR argument ofChris Lattner
these instructions to be encoded with getMachineOpValue. This unbreaks ExecutionEngine/2003-01-04-ArgumentBug.ll when running on a G5 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119307 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Remember to resize SpillSlotToUsesMap when allocating an emergency spill slot.Jakob Stoklund Olesen
Use amazing new function call technology instead of writing identical code in multiple places. This fixes PR8604. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119306 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Fix PR8612 in the standard spiller, take two.Jakob Stoklund Olesen
The live range of a register defined by an early clobber starts at the use slot, not the def slot. Except when it is an early clobber tied to a use operand. Then it starts at the def slot like a standard def. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Add Thumb2 encodings for mov and friends.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119295 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Change the 11 byte nop to be a single instruction.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119286 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15fix a pasto that massively broke the ppc jit while the buildbots happenedChris Lattner
to be broken for other reasons git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119283 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Revert "Fix PR8612 in the standard spiller as well."Jakob Stoklund Olesen
This reverts r119183 which borke the buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Attempt to provide encodings for some miscellaneous Thumb2 encodings.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119187 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Code clean up. The peephole pass should be the one updating the instructionEvan Cheng
iterator, not TII->OptimizeCompareInstr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119186 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Provide Thumb2 encodings for sxtb and friends.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119185 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Recommit this change and remove the failing part of the test - it didn'tEric Christopher
pass in the first place and was masked by earlier failures not warning and aborting the block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119184 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Fix PR8612 in the standard spiller as well.Jakob Stoklund Olesen
The live range of a register defined by an early clobber starts at the use slot, not the def slot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119183 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15When spilling a register defined by an early clobber, make sure that the newJakob Stoklund Olesen
live ranges for the spill register are also defined at the use slot instead of the normal def slot. This fixes PR8612 for the inline spiller. A use was being allocated to the same register as a spilled early clobber def. This problem exists in all the spillers. A fix for the standard spiller is forthcoming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119182 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15ARM LDR_PRE/LDR_POST/STR_PRE/STR_POST (and the *B counterparts) binary encoding.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119180 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Add Thumb2 encodings for comparison and shift operators.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119176 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Fix compiler warnigns.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119175 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Add correct Thumb2 encodings for mvn and friends.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Add FIXMEs.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Nuke redundant encoding bit set.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119164 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Teach InstructionSimplify the trick of skipping incoming phiDuncan Sands
values that are equal to the phi itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119161 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Change MCExpr::EvaluateAsRelocatableImpl of variables to return the originalRafael Espindola
variable if recursing fails to simplify it. Factor AliasedSymbol to be a method of MCSymbol. Update MCAssembler::EvaluateFixup to match the change in EvaluateAsRelocatableImpl. Remove the WeakRefExpr hack, as the object writer now sees the weakref with no extra effort needed. Nothing else is using MCTargetExpr, but keep it for now. Now that the ELF writer sees relocations with aliases, handle .weak foo2 foo2: .weak bar2 .set bar2,foo2 .quad bar2 the same way gas does and produce a relocation with bar2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119152 91177308-0d34-0410-b5e6-96231b3b80d8
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