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2012-07-20Remove unused private member variables uncovered by the recent changes to ↵Benjamin Kramer
clang's -Wunused-private-field. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160583 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Fix few warnings.Galina Kistanova
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160576 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Avoid folding loads that are unsafe to move.Jakob Stoklund Olesen
LiveRangeEdit::foldAsLoad() can eliminate a register by folding a load into its only use. Only do that when the load is safe to move, and it won't extend any live ranges. This fixes PR13414. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160575 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Fix a dangling StringRef bug in the auto upgrader. In one case, we resetChandler Carruth
CI's name, and then used the StringRef pointing at its old name. I'm fixing it by storing the name in a std::string, and hoisting the renaming logic to happen always. This is nicer anyways as it will allow the upgraded IR to have the same names as the input IR in more cases. Another bug found by AddressSanitizer. Woot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160572 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Split loop exiting edges more aggressively.Jakob Stoklund Olesen
PHIElimination splits critical edges when it predicts it can resolve interference and eliminate copies. It doesn't split the edge if the interference wouldn't be resolved anyway because the phi-use register is live in the critical edge anyway. Teach PHIElimination to split loop exiting edges with interference, even if it wouldn't resolve the interference. This removes the necessary copies from the loop, which is still an improvement from injecting the copies into the loop. The test case demonstrates the improvement. Before: LBB0_1: cmpb $0, (%rdx) leaq 1(%rdx), %rdx movl %esi, %eax je LBB0_1 After: LBB0_1: cmpb $0, (%rdx) leaq 1(%rdx), %rdx je LBB0_1 movl %esi, %eax git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160571 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Try to unbreak the windows build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160567 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20SourceMgr: Use has_colors() instead of just is_displayed() before trying to useDaniel Dunbar
color. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160559 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20raw_ostream: Add a has_colors() method.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160558 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Process: Add sys::Process::FileDescriptorHasColors().Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160557 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20lit: Use close_fds=True on UNIX, to avoid file descriptor pollution ofDaniel Dunbar
subprocesses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160556 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Fix assertion in jump threading (PR13405).Richard Osborne
GetBestDestForJumpOnUndef() assumes there is at least 1 successor, which isn't true if the block ends in an indirect branch with no successors. Fix this by bailing out earlier in this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20[asan] make sure that the crash callbacks do not get merged (Chandler's ↵Kostya Serebryany
idea: insert an empty InlineAsm). Change the order in which the new BBs are inserted: the slow path BB is insert between old BBs, the crash BB is inserted at the end. Don't create an empty BB (introduced by recent commits). Update the test. The experimental code that does manual crash callback merge will most likely be deleted later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160544 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Don't use implicit register operands to calculate L-bit for AVX ↵Craig Topper
instructions. Needed because super reg defs and kills are added as implicit operands on 128-bit instructions. Fixes PR13349. Patch by Jose Fonseca. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160543 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-20Make RegisterOperand a subclass of DAGOperand so that RegisterOperands can ↵Owen Anderson
be passed into multiclasses that take DAGOperands as multiclass parameters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160540 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Revert r160529 due to crashes.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160532 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Fix crash in machine verifier when trying to print the def of a register ↵Pete Cooper
which has no def git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160531 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Don't wipe out global variables that are probably storing pointers to heapNick Lewycky
memory. This makes clang play nice with leak checkers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160529 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Reverting r 160419.Galina Kistanova
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Adds the family codes for the Midview Atom processors so that thePreston Gurd
Atom buildbot will auto-detect Atom. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160521 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Fix remaining lit tests which were failing when run on an AtomPreston Gurd
processor. Patches by Tyler Nowicki, Andy Zhang, and Preston Gurd! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19default to use -mv4 when no version of Hexagon has been specifiedSebastian Pop
This fixes a bunch of make check failures of the form: Unknown Architecture Version. UNREACHABLE executed at ../lib/Target/Hexagon/HexagonSubtarget.cpp:60! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160518 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19reimplement truncate() to make it optimal.Nuno Lopes
It is optimal at least up to 7 bits (I've tested all such cases) This change to truncate() allows a little simplification to the multiplication code, and it also makes multiplication optimal :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160512 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Pull the simple parts of DenseMapInfo<DebugLoc> inline and prune includes.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160507 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19test/DebugInfo/dwarfdump-test.test: Tweak expressions for Win32 to match ↵NAKAMURA Takumi
backslashes. They are still odd, though. For example, Paths are printed on Win32 as below; /tmp/dbginfo\def2.cc:4:0 /tmp/dbginfo\include\decl2.h:1:0 /tmp/include\decl.h:5:0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160505 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Replace some explicit compare loops with std::equal.Benjamin Kramer
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160501 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19[arm-fast-isel] Add support for vararg function calls.Jush Lu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160500 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19DebugInfo library: add support for fetching absolute paths to source filesAlexey Samsonov
(instead of basenames) from DWARF. Use this behavior in llvm-dwarfdump tool. Reviewed by Benjamin Kramer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160496 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Fixed few warnings.Galina Kistanova
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160493 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160483 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160482 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160480 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160479 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Tweak prose.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160478 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160477 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160476 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160475 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160473 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160472 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160471 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Move around some enum elements so that lastMRM corrects gets assigned 56, whichRichard Trieu
is one more that MRM_DF which is 55. Previously, it held value 45, the same as MRM_D0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160465 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18TblGen: Tweak to pretty-print DAGISel.inc a bit better.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160463 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Allow PointerIntPairs to be created from const void *.Jordan Rose
For a measure of safety, this conversion is only permitted if the stored pointer type can also be created from a const void *. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160456 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18X86: remove redundant cmp against zero.Manman Ren
Updated OptimizeCompare in peephole to remove redundant cmp against zero. We only remove Compare if CF and OF are not used. rdar://11855129 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160454 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18This patch fixes 8 out of 20 unexpected failures in "make check"Preston Gurd
when run on an Intel Atom processor. The failures have arisen due to changes elsewhere in the trunk over the past 8 weeks or so. These failures were not detected by the Atom buildbot because the CPU on the Atom buildbot was not being detected as an Atom CPU. The fix for this problem is in Host.cpp and X86Subtarget.cpp, but shall remain commented out until the current set of Atom test failures are fixed. Patch by Andy Zhang and Tyler Nowicki! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160451 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Adding some debug information to PassManagerVictor Oliveira
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160446 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Whitespace.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160445 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Fix a somewhat nasty crasher in PR13378. This crashes inside ofChandler Carruth
LiveIntervals due to the two-addr pass generating bogus MI code. The crux of the issue was a loop nesting problem. The intent of the code which attempts to transform instructions before converting them to two-addr form is to defer and reprocess any transformed instructions as the second processing is likely to have more opportunities to coalesce copies, etc. Unfortunately, there was one section of processing that was not deferred -- the INSERT_SUBREG rewriting. Due to quirks of how this rewriting proceeded, not only did it occur early, it removed the bits of information needed for the deferred processing to correctly generate the necessary two address form (specifically inserting a copy), but didn't trigger any immediate assertions and produced what appeared to be already valid two-address from code. Thus, the assertion only fired much later in the pipeline. The fix is to hoist the transformation logic up layer to where it can more firmly defer all further processing, and to teach the normal processing to handle an edge case previously handled as part of the transformation logic. This edge case (already matched tied register operands) needs to *not* defer any steps. As has been brought up repeatedly in the process: wow does this code need refactoring. I *may* squeeze in some time to at least bring sanity to this loop... but wow... =] Thanks to Jakob for helpful hints on the way here, and the review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160443 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Fix ARMTargetLowering::isLegalAddImmediate to consider thumb encodings.Andrew Trick
Based on Evan's suggestion without a commitable test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160441 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160440 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Added unit test for PR13361: LSR + SCEV "hangs" on reasonably sized test.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160439 91177308-0d34-0410-b5e6-96231b3b80d8
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