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2012-02-21Replace a hand rolled loop with a lovely StringRef helper we have theseChandler Carruth
days. No functionality changed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151048 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Pull the parsing helper functions out of the Triple interface entirely.Chandler Carruth
They're private static methods but we can just make them static functions in the implementation. It makes the implementations a touch more wordy, but takes another chunk out of the header file. Also, take the opportunity to switch the names to the new coding conventions. No functionality changed here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Clean up comments that I missed when changing the triple representation.Chandler Carruth
Somehow, I even missed the ones I wrote just the other day... Thanks to Matt for the code review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151045 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Reorder some members in MCRegisterClass to remove padding on 64-bit builds.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151043 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21In generated RegisterInfo files, replace a pointer to the end of an array ↵Craig Topper
with just the size of the array to avoid relocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Merge some tables in generated RegisterInfo file. Store indices into larger ↵Craig Topper
table instead of pointers to reduce relocations and shrink table size on 64-bit builds. Shaves ~24K off X86MCTargetDesc.o. Accidentally commited only part of this in r151038. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151039 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Merge some tables in generated RegisterInfo file. Store indices into larger ↵Craig Topper
table instead of pointers to reduce relocations and shrink table size on 64-bit builds. Shaves ~24K off X86MCTargetDesc.o git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151038 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Clear virtual registers after they are no longer referenced.Andrew Trick
Passes after RegAlloc should be able to rely on MRI->getNumVirtRegs() == 0. This makes sharing code for pre/postRA passes more robust. Now, to check if a pass is running before the RA pipeline begins, use MRI->isSSA(). To check if a pass is running after the RA pipeline ends, use !MRI->getNumVirtRegs(). PEI resets virtual regs when it's done scavenging. PTX will either have to provide its own PEI pass or assign physregs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151032 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21StackSlotColoring does not use a VirtRegMapAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151030 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Use more idiomatic assert.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151026 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Avoid warning on non assert builds.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151025 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Switch the llvm::Triple class to immediately parse the triple string onChandler Carruth
construction. Simplify its interface, implementation, and users accordingly as there is no longer an 'uninitialized' state to check for. Also, fixes a bug lurking in the interface as there was one method that didn't correctly check for initialization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21It turns out that with the current scev organization ReuseOrCreateCast cannotRafael Espindola
know where users will be added. Because of this, it cannot use Builder.GetInsertPoint at all. This patch * removes the FIXME about adding the assert. * adds a comment explaining hy we don't have one. * removes a broken logic that only works for some callers and is not needed since r150884. * adds an assert to caller that would have caught the bug fixed by r150884. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151015 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Fix some bugs in HMEditor's moveAllOperandsInto logic.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151006 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Check for the correct size in the invariant marker.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151003 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Fix machine-cp by having it to check sub-register indicies. e.g.Evan Cheng
ecx = mov eax al = mov ch The second copy is not a nop because the sub-indices of ecx,ch is not the same of that of eax/al. Re-enabled machine-cp. PR11940 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151002 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Fix 80-column violation.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Test case for r150978.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150979 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20InstCombine: Removing the base from the address calculation is only safe ↵Benjamin Kramer
when the GEPs are inbounds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150978 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Make this a bit prettier and more obvious when a derived type isn'tEric Christopher
derived from anything. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150975 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20If a derived type is also a composite type, print that informationEric Christopher
too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150974 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Add support for runtime languages on our forward declarations.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150973 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20InstCombine: When comparing two GEPs that were derived from the same base ↵Benjamin Kramer
pointer but use different types, expand the offset calculation and to the compare on the offset if profitable. This came up in SmallVector code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150962 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20InstCombine: Make OptimizePointerDifference more aggressive.Benjamin Kramer
- Ignore pointer casts. - Also expand GEPs that aren't constantexprs when they have one use or only constant indices. - We now compile "&foo[i] - &foo[j]" into "i - j". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150961 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Teach the DAGCombiner that certain loadext nodes followed by ANDs can be ↵James Molloy
converted to zeroexts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150957 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Improve generated code for extending loads and some trunc stores on ARM.James Molloy
Teach TargetSelectionDAG about lengthening loads for vector types and set v4i8 as legal. Allow FP_TO_UINT for v4i16 from v4i32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150956 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Make post-ra tail duplication bundle safe. No test case as recent codegenEvan Cheng
flow changes have already hidden the bug. rdar://10893812 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150949 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Rename class Evaluate to Evaluator and put it in an anonymous namespace.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150947 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20fold comparisons of gep'd alloca points with null to false,Chris Lattner
implementing PR12013. We now compile the testcase to: __Z4testv: ## @_Z4testv ## BB#0: ## %_ZN4llvm15SmallVectorImplIiE9push_backERKi.exit pushq %rbx subq $64, %rsp leaq 32(%rsp), %rbx movq %rbx, (%rsp) leaq 64(%rsp), %rax movq %rax, 16(%rsp) movl $1, 32(%rsp) leaq 36(%rsp), %rax movq %rax, 8(%rsp) leaq (%rsp), %rdi callq __Z1gRN4llvm11SmallVectorIiLj8EEE movq (%rsp), %rdi cmpq %rbx, %rdi je LBB0_2 ## BB#1: callq _free LBB0_2: ## %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit addq $64, %rsp popq %rbx ret instead of: __Z4testv: ## @_Z4testv ## BB#0: pushq %rbx subq $64, %rsp xorl %eax, %eax leaq (%rsp), %rbx addq $32, %rbx movq %rbx, (%rsp) movq %rbx, 8(%rsp) leaq 64(%rsp), %rcx movq %rcx, 16(%rsp) je LBB0_2 ## BB#1: movl $1, 32(%rsp) movq %rbx, %rax LBB0_2: ## %_ZN4llvm15SmallVectorImplIiE9push_backERKi.exit addq $4, %rax movq %rax, 8(%rsp) leaq (%rsp), %rdi callq __Z1gRN4llvm11SmallVectorIiLj8EEE movq (%rsp), %rdi cmpq %rbx, %rdi je LBB0_4 ## BB#3: callq _free LBB0_4: ## %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit addq $64, %rsp popq %rbx ret This doesn't shrink clang noticably though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150944 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Switch to a more idiomatic way of silencing unused variable warnings inChandler Carruth
release builds. Silences clang's -Wself-assign. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150942 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Move constructors out-of-line and flesh out their documentation. NoChandler Carruth
functionality changed. This is in preparation for some refactoring of how this class behaves. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150941 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Move EvaluateFunction and EvaluateBlock into a class, and make the class storeNick Lewycky
the information that they pass around between them. No functionality change! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150939 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Silence operator precedence warning.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150921 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19autoconf/m4/visibility_inlines_hidden.m4: Tweak for cygwin-g++-4.5.3. It ↵NAKAMURA Takumi
folded conftest regardress of attributge((noinline)) with >=O1 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150920 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Remove dead code. Improve llvm_unreachable text. Simplify some control flow.Ahmed Charles
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150918 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19StringRef'ize EmitSourceFileHeader().Ahmed Charles
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150917 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Remove some unneeded includes and fix ordering in X86ISelLowering.cpp. ↵Craig Topper
Remove unneeded 'using namespace'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150916 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Add machinery for pushing live ranges onto bundle starts while bundling.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150915 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Simplify moveEnteringDownFrom rules.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150914 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Unify all shuffle mask checking functions take a mask and VT instead of ↵Craig Topper
VectorShuffleSDNode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150913 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Skip through instructions rather than operands when looking for last use slot.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150912 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19APFloat::toString(): Fix overrun at scanning.NAKAMURA Takumi
FYI, clang/test/SemaTemplate/template-id-printing.cpp had been failing due to it on cygwin-clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150911 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Fix TODO and trailing whitespace.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Defer sanity checks on live intervals until after all have been updated. ↵Lang Hames
Hold (LiveInterval, LiveRange) pairs to update, rather than vregs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150909 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Make a bunch of X86ISelLowering shuffle functions static now that they are ↵Craig Topper
no longer needed by isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150908 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19comment fix ARM.hJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19some comment fix for X86 and ARMJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-19Add vmfunc instruction to X86 assembler and disassembler.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150899 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-18Fix issue with bitwise and precedence.Ahmed Charles
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150897 91177308-0d34-0410-b5e6-96231b3b80d8
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