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2012-03-05Make sure we don't return bits outside the mask in ComputeMaskedBits. PR12189.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152066 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05ARM Refactor VLD/VST spaced pair instructions.Jim Grosbach
Use the new composite physical registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152063 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05ARM Remove a bit of dead code.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152061 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05ARM refactor away a bunch of VLD/VST pseudo instructions.Jim Grosbach
With the new composite physical registers to represent arbitrary pairs of DPR registers, we don't need the pseudo-registers anymore. Get rid of a bunch of them that use DPR register pairs and just use the real instructions directly instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152045 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Make MCRegisterInfo available to the the MCInstPrinter.Jim Grosbach
Used to allow context sensitive printing of super-register or sub-register references. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152043 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Fix warnings about adding a bool to a string.Bill Wendling
Patch by Sean Silva! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152042 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Address Evan's comments for r151877.Chad Rosier
Specifically, remove the magic number when checking to see if the copy has a glue operand and simplify the checking logic. rdar://10930395 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05updated patch for the ARM fused multiply add/subSebastian Pop
In this update: - I assumed neon2 does not imply vfpv4, but neon and vfpv4 imply neon2. - I kept setting .fpu=neon-vfpv4 code attribute because that is what the assembler understands. Patch by Ana Pazos <apazos@codeaurora.org> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152036 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05fix typosSebastian Pop
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152035 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05remove spaces on empty linesSebastian Pop
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152034 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05This is not a common case, in fact it never happens!Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152027 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Switch mem2reg to use the new hashing infrastructure.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152026 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Replace the ad-hoc hashing in GVN with the new hashing infrastructure.Chandler Carruth
This implicitly fixes a nasty bug in the GVN hashing (that thankfully could only manifest as a performance bug): actually include the opcode in the hash. The old code started the hash off with the opcode, but then overwrote it with the type pointer. Since this is likely to be pretty hot (GVN being already pretty expensive) I've included a micro-optimization to just not bother with the varargs hashing if they aren't present. I can't measure any change in GVN performance due to this, even with a big test case like Duncan's sqlite one. Everything I see is in the noise floor. That said, this closes a loop hole for a potential scaling problem due to collisions if the opcode were the differentiating aspect of the expression. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152025 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Switch the TableGen record's string-based DenseMap key to use the newChandler Carruth
hashing infrastructure. I wonder why we don't just use StringMap here, and I may revisit the issue if I have time, but for now I'm just trying to consolidate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152023 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Convert more GenRegisterInfo tables from unsigned to uint16_t to reduce ↵Craig Topper
static data size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Make aliases for shld and shrd match gas. PR12173.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152014 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Stop fixing bad machine code in LiveIntervalAnalysis.Jakob Stoklund Olesen
The first def of a virtual register cannot also read the register. Assert on such bad machine code instead of trying to fix it. TwoAddressInstructionPass should never create code like that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152010 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Stop adding <imp-def> operands when coalescing sub-registers.Jakob Stoklund Olesen
We are already setting <undef> flags, and that is good enough. The <imp-def> operands don't mean anything any more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152009 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Use <def,undef> operands when spilling NEON bundles.Jakob Stoklund Olesen
MachineOperands that define part of a virtual register must have an <undef> flag if they are not intended as read-modify-write operands. The old trick of adding an <imp-def> operand doesn't work any longer. Fixes PR12177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Nick pointed out on IRC that GVN's propagateEquality wasn't propagatingDuncan Sands
equalities into phi node operands for which the equality is known to hold in the incoming basic block. That's because replaceAllDominatedUsesWith wasn't handling phi nodes correctly in general (that this didn't give wrong results was just luck: the specific way GVN uses replaceAllDominatedUsesWith precluded wrong changes to phi nodes). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152006 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Replace the hashing functions on APInt and APFloat with overloads of theChandler Carruth
new hash_value infrastructure, and replace their implementations using hash_combine. This removes a complete copy of Jenkin's lookup3 hash function (which is both significantly slower and lower quality than the one implemented in hash_combine) along with a somewhat scary xor-only hash function. Now that APInt and APFloat can be passed directly to hash_combine, simplify the rest of the LLVMContextImpl hashing to use the new infrastructure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Add generic support for hashing StringRef objects using the new hashing library.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152003 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Do trivial CSE of dead BBs during codegen preparation.Bill Wendling
Some BBs can become dead after codegen preparation. If we delete them here, it could help enable tail-call optimizations later on. <rdar://problem/10256573> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152002 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Use uint16_t to store register overlaps to reduce static data.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152001 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Use uint16_t instead of unsigned to store registers in reg classes. Reduces ↵Craig Topper
static data size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Use uint16_t to store registers in callee saved register tables to reduce ↵Craig Topper
size of static data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151996 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Use uint8_t instead of enums to store values in X86 disassembler table. ↵Craig Topper
Shaves 150k off the size of X86DisassemblerDecoder.o git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151995 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-03Correctly initialize LineSectionSymbol. Thanks to Duncan Sands for noticing it.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151979 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-03Include cctype for isdigit. Patch by Stephen Hines.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151973 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02LVI: Recognize the form instcombine canonicalizes range checks into when ↵Benjamin Kramer
forming constant ranges. This could probably be made a lot smarter, but this is a common case and doesn't require LVI to scan a lot of code. With this change CVP can optimize away the "shift == 0" case in Hashing.h that only gets hit when "shift" is in a range not containing 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02ASan: use getTypeAllocSize instead of getTypeStoreSize.Evgeniy Stepanov
This change replaces getTypeStoreSize with getTypeAllocSize in AddressSanitizer instrumentation for stack allocations. One case where old behaviour produced undesired results is an optimization in InstCombine pass (PromoteCastOfAllocation), which can replace alloca(T) with alloca(S), where S has the same AllocSize, but a smaller StoreSize. Another case is memcpy(long double => long double), where ASan will poison bytes 10-15 of a stack-allocated long double (StoreSize 10, AllocSize 16, sizeof(long double) = 16). See http://llvm.org/bugs/show_bug.cgi?id=12047 for more context. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Prevent obscure and incorrect tail-call optimization.Chad Rosier
In this instance we are generating the tail-call during legalizeDAG. The 2nd floor call can't be a tail call because it clobbers %xmm1, which is defined by the first floor call. The first floor call can't be a tail-call because it's not in the tail position. The only reasonable way I could think to fix this in a target-independent manner was to check for glue logic on the copy reg. rdar://10930395 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151877 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Grammar-o in function name.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151875 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Grammar.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151874 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02If the linkage name doesn't exist we're supposed to emit a referenceEric Christopher
to the string table for the function name, not the function name. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Fix an iterator invalidation problem. operator[] on a DenseMapDan Gohman
can insert a new element, invalidating iterators. Use find instead, and handle the case where the key is not found explicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151871 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Misc micro-optimizations.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151869 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Revert "Reorder the sections being output to reduce the number of assembler"Eric Christopher
The inline table needs to be constructed ahead of time so that it doesn't try to create new strings while we're emitting everything. This reverts commit a8ff9bccb399183cdd5f1c3cec2bda763664b4b0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151864 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Neuter the optimization I implemented with r107852 and r108258 which turn someEvan Cheng
floating point equality comparisons into integer ones with -ffast-math. The issue is the optimization causes +0.0 != -0.0. Now the optimization is only done when one side is known to be 0.0. The other side's sign bit is masked off for the comparison. rdar://10964603 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151861 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Switch FoldingSet over to the new hashing infrastructure. We might wantChandler Carruth
to do more invasive refactoring here to get FoldingSet to use size_t or even hash_code directly, but for now this is a good first step to remove Yet Another Hashing Algorithm from LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151859 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Handle regmasks in Thumb1RegisterInfo::saveScavengerRegister().Jakob Stoklund Olesen
This function could have r12 live across a function call when compiling thumb1 code. The test case for this is not included because it is very long. It must provoke emergency spilling near a function call. The behavior is provoked by MultiSource/Applications/JM/lencod, and it triggers an assertion in the scavenger. <rdar://problem/10963642> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151855 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Reorder the sections being output to reduce the number of assemblerEric Christopher
fixups that are being used to determine section offsets. Reduces the total number of fixups by 50% for a non-trivial testcase. Part of rdar://10413936 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01ARM use the right opcode for FP<->Integer move in fast-isel.Jim Grosbach
rdar://10965031 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Minimal changes for LLVM to compile under VS11.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151849 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Changes for migrating to using register mask operands.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151847 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01[Object]David Meyer
Add ObjectFile::getLoadName() for retrieving the soname/installname of a shared object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151845 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Change ARMInstPrinter::printPredicateOperand() so it will not abort if itKevin Enderby
runs into the undefined 15 condition code value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Fix bugs which were introduced when support for base+index floating point loadsAkira Hatanaka
and stores was added. - SelectAddr should return false if Parent is an unaligned f32 load or store. - Only aligned load and store nodes should be matched to select reg+imm floating point instructions. - MIPS does not have support for f64 unaligned load or store instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151843 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01BumpPtrAllocator: Make sure threshold cannot be initialized with a value ↵Benjamin Kramer
smaller than the slab size. This replaces r151834 with a simpler fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151842 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01If BumpPtrAllocator is requested to allocate a size that exceeds the slab size,Argyrios Kyrtzidis
increase the slab size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151834 91177308-0d34-0410-b5e6-96231b3b80d8
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