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2011-10-13Tabs to spaces.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141844 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Add missing braces to pacify GCC's -Wparentheses.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Add missing ELF constants.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141840 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Also inflate register classes around inline asm.Jakob Stoklund Olesen
Now that MI->getRegClassConstraint() can also handle inline assembly, don't bail when recomputing the register class of a virtual register used by inline asm. This fixes PR11078. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141836 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Add MachineInstr::getRegClassConstraint().Jakob Stoklund Olesen
Most instructions have some requirements for their register operands. Usually, this is expressed as register class constraints in the MCInstrDesc, but for inline assembly the constraints are encoded in the flag words. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141835 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Extract a method for finding the inline asm flag operand.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141834 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Encode register class constreaints in inline asm instructions.Jakob Stoklund Olesen
The inline asm operand constraint is initially encoded in the virtual register for the operand, but that register class may change during coalescing, and the original constraint is lost. Encode the original register class as part of the flag word for each inline asm operand. This makes it possible to recover the actual constraint required by inline asm, just like we can for normal instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Attempt to fix MSVC build.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12We need to verify that the machine instruction we're using as a replacement forBill Wendling
our current machine instruction defines a register with the same register class as what's being replaced. This showed up in the SPEC 403.gcc benchmark, where it would ICE because a tail call was expecting one register class but was given another. (The machine instruction verifier catches this situation.) <rdar://problem/10270968> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141830 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Use a utility from MathExtras to clarify a check and avoid undefined ↵Eli Friedman
behavior. Based on patch by Ahmed Charles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12The VMAs stored in the symbol table of a MachO file are absolute addresses, ↵Owen Anderson
not offsets from the section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141828 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Use unsigned multiply to hash integers, so we don't end up with undefined ↵Eli Friedman
behavior for large signed integers. Based on patch by Ahmed Charles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141827 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Removed colons from some target datalayout strings in test, since they don't ↵Lang Hames
match the required format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141825 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Don't label a STAB debugging symbol as a function symbol.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141824 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12sectionContainsSymbol needs to be based on VMA's rather than section indices ↵Owen Anderson
to properly account for files with segment load commands that contain no sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141822 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix a couple hash functions so that they do not depend on undefined shifts. ↵Eli Friedman
Based on patch by Ahmed Charles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141820 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12ARM addrmode5 represents the 'U' bit of the encoding backwards.Jim Grosbach
The disassembler needs to use the AM5 factory methods instead of just building up the immediate directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141819 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix APFloat::getSmallestNormalized so the shift doesn't depend on undefined ↵Eli Friedman
behavior. Patch from Ahmed Charles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141818 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix APFloat::getLargest so that it actually returns the correct value. ↵Eli Friedman
Found by accident while reviewing a patch to nearby code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141816 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Section indices in MachO symbol tables begin at 1, not 0.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141815 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Finish supporting cpp #file/line comments in assembler for error messages. SoKevin Enderby
for cpp pre-processed assembly we give correct filename and line numbers when reporting errors in assembly files when using clang and -integrated-as on .s files. rdar://8998895 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141814 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Disable machine LICM speculation check (for profitability) until I have time ↵Evan Cheng
to investigate the regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141813 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12To find the exiting VN of a LiveInterval from a block, use the previous slotCameron Zwarich
rather than the previous index. If a block has a single instruction, the previous index may be in a different basic block. I have no clue how this used to work on all of test-suite, because now this failure is seen quite often when trying to compile code with -strong-phi-elim. This fixes PR10252. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Thumb2 assembly parsing and encoding for LDC/STC.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141811 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Hoist vector.size() computation out of the loop. No functionality change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141807 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12addrmode2 is gone from these, so no need for the reg0 operand.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12ARM encoding tests for STC.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141787 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12ARM parsing and encoding for the <option> form of LDC/STC instructions.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141786 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-1280 columns.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141781 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Tidy up. Formatting.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141780 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix a thinko that Nick noticed. The previous code actually worked asDan Gohman
intended, but only by accident. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141779 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12lib/Object/ELFObjectFile.cpp: Fix undefined behavior for ↵NAKAMURA Takumi
MC/ELF/many-section.s not to fail (on msvc). DenseMap::lookup(k) would return "default constructor value" when k was not met. It would be useless when value type were POD. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141774 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Expand the check for a landing pad so that it looks at the basic block'sBill Wendling
containing loop's header to see if that's a landing pad. If it is, then we don't want to hoist instructions out of the loop and above the header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141767 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Use an existing function.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141763 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Define base class LogicNOR and make 32-bit and 64-bit NOR derive from it.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix encoding of 32-bit integer instructions. Change names of operands and nodes.Akira Hatanaka
Remove unused classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141757 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Make this use a public accessor too.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141752 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Add missing space.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141750 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix indent in comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141749 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix r141744.Evan Cheng
1. The speculation check may not have been performed if the BB hasn't had a load LICM candidate. 2. If the candidate would be CSE'ed, then go ahead and speculatively LICM the instruction even if it's in high register pressure situation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141747 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Fix -widen-vmovs liveness issues.Jakob Stoklund Olesen
When widening a copy, we are reading a larger register that may not be live. Use an <undef> flag to tell the register scavenger and machine code verifier that we know the value isn't defined. We now widen: %S6<def> = COPY %S4<kill>, %D3<imp-def> into: %D3<def> = VMOVD %D2<undef>, pred:14, pred:%noreg, %S4<imp-use,kill> This also keeps the <kill> flag on %S4 so we don't inadvertently kill a live value in %S5. Finally, ensure that ARMBaseInstrInfo::setExecutionDomain() preserves the <undef> flag when converting VMOVD to VORR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141746 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Refine r141689 with a tri-state variable.Evan Cheng
Also teach MachineLICM to avoid "speculation" when register pressure is high. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141744 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Change name of class to ArithOverflowR.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141743 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Define class ArithLogicI. Make 32-bit and 64-bit arithmetic and logicalAkira Hatanaka
instructions with two register operands derive from it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141742 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Make this test more specific. There are 3 stats that matched "machine-licm".Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141741 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Use public accessors on the scope that is returned.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141739 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Fix comment.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141737 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Define classes ArithLogicR and ArithLogicOfR and make 32-bit and 64-bitAkira Hatanaka
arithmetic and logical instructions with three register operands derive from them. Fix instruction encoding too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141736 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11target data is a contract with the code generator, not the "processor"Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11improve some of the documentation around target data layout strings.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141733 91177308-0d34-0410-b5e6-96231b3b80d8
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