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2011-10-14Add definition of class MipsELFWriterInfo. Akira Hatanaka
Patch by Jack Carter and Reed Kotler at Mips. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141937 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Add missing relocation types.Akira Hatanaka
Patch by Jack Carter and Reed Kotler at Mips. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141936 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Fixup enumerations.Akira Hatanaka
Patch by Jack Carter at Mips. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141934 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Add more Mips relocation types.Akira Hatanaka
Patch by Jack Carter at Mips. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141932 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Ban rematerializable instructions with side effects.Jakob Stoklund Olesen
TableGen infers unmodeled side effects on instructions without a pattern. Fix some instruction definitions where that was overlooked. Also raise an error if a rematerializable instruction has unmodeled side effects. That doen't make any sense. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141929 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14V_SET0 has no side effects.Jakob Stoklund Olesen
TableGen will mark any pattern-less instruction as having unmodeled side effects. This is extra bad for V_SET0 which gets rematerialized a lot. This was part of the cause for PR11125, but the real bug was fixed in r141923. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141924 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Add value numbers when spilling dead defs.Jakob Stoklund Olesen
When spilling around an instruction with a dead def, remember to add a value number for the def. The missing value number wouldn't normally create problems since there would be an incoming live range as well. However, due to another bug we could spill a dead V_SET0 instruction which doesn't read any values. The missing value number caused an empty live range to be created which is dangerous since it doesn't interfere with anything. This fixes part of PR11125. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141923 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Avoid undefined behavior in negation in LSR. Patch by Ahmed Charles.Eli Friedman
Someone more familiar with LSR should double-check that the extra cast is actually doing the right thing in the overflow cases; I'm not completely confident that's that case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141916 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Fix undefined shift. Patch by Ahmed Charles.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141914 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Simplify assertion, and avoid undefined shift. Based on patch by Ahmed Charles.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141912 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Support/Windows: Add support modifying memory permissions on Windows. Patch ↵Michael J. Spencer
by Aaron Ballman! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141910 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Fix undefined shifts and abs in Alpha backend. Based on patch by Ahmed Charles.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141909 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Support/Windows: Add efficent RW mutex on Windows. Patch by Aaron Ballman!Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141907 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Avoid undefined behavior in signed integer negation. Patch by Ahmed Charles.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Simplify and avoid undefined shift. Based on patch by Ahmed Charles.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141903 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13ELF: Fix the section that relocations apply to. Add test to verify. Patch by ↵Michael J. Spencer
Danil Malyshev! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141901 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Enhance the memdep interface so that users can tell the difference between a ↵Eli Friedman
dependency which cannot be calculated and a path reaching the entry point of the function. This patch introduces isNonFuncLocal, which replaces isUnknown in some cases. Patch by Xiaoyi Guo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141896 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Reapply r141870, SCEV expansion of post-inc.Andrew Trick
Speculatively reapply to see if this test case still crashes on linux. I may have fixed it in my last checkin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141895 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Don't forget to reconstruct D after changing the scope that we'reEric Christopher
looking at. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141892 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13COFF: Implement sectionContainsSymbol for relocatable files only.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141884 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Fix memory corruption I introduced a few checkins ago.Andrew Trick
Self-review easily caught this obvious bug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141880 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13SETEND is not allowed in an IT block.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141874 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Revert r141870. The test case crashes on linux with data corruption. A ↵Andrew Trick
deeper issue was exposed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141873 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13LSR: Reuse the post-inc expansion of expressions.Andrew Trick
This avoids unnecessary expansion of expressions and allows the SCEV expander to work on expression DAGs, not just trees. Fixes PR11090. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141870 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13SCEV: Rewrite TrandformForPostIncUse to handle expression DAGs, notAndrew Trick
just expression trees. Partially fixes PR11090. Test case will be with the full fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Slightly more useful tracing.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Mark 'branch indirect' instruction as an indirect branch.Kalle Raiskila
Not having it confused assembly printing of jumptables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141862 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13More closely follow libgcc, which has code after the `ret' instruction toBill Wendling
release the stack segment and reset the stack pointer. Place the code in its own MBB to make the verifier happy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141859 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Revert r141854 because it was causing failures:Bill Wendling
http://lab.llvm.org:8011/builders/llvm-x86_64-linux/builds/101 --- Reverse-merging r141854 into '.': U test/MC/Disassembler/X86/x86-32.txt U test/MC/Disassembler/X86/simple-tests.txt D test/CodeGen/X86/bmi.ll U lib/Target/X86/X86InstrInfo.td U lib/Target/X86/X86ISelLowering.cpp U lib/Target/X86/X86.td U lib/Target/X86/X86Subtarget.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141857 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Should not add instructions to a BB after a return instruction. The machine ↵Bill Wendling
instruction verifier doesn't like this, nor do I. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141856 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Use an existing method.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141855 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Add X86 TZCNT instruction and patterns to select it. Also added core-avx2 ↵Craig Topper
processor which is gcc's name for Haswell. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141854 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Add 'implicit EFLAGS' to patterns for popcnt and lzcntCraig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141853 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Elf_Word is not POD! Stop using it in a DenseMap.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141851 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13If MI is deleted then remove it from the set. If a new MI is created, it couldNick Lewycky
have the same address as the one we deleted, and we don't want that in the set yet. Noticed by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141849 91177308-0d34-0410-b5e6-96231b3b80d8
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
2011-10-12Also 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
2011-10-12We 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
2011-10-12Don'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
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