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2009-02-17Merge 64582 from mainlineTanya Lattner
Fix PR3522. It's not safe to sink into landing pad BB's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@64790 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Merge all changes to SimpleRegisterCoalescing to the release.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@64785 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-17Merge 64314 from mainline.Tanya Lattner
Make a transformation added in 63266 a bit less aggressive. It was transforming (x&y)==y to (x&y)!=0 in the case where y is variable and known to have at most one bit set (e.g. z&1). This is not correct; the expressions are not equivalent when y==0. I believe this patch salvages what can be salvaged, including all the cases in bt.ll. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@64782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14Merge 64124 frm mainline.Tanya Lattner
Turns out AnalyzeBranch can modify the mbb being analyzed. This is a nasty suprise to some callers, e.g. register coalescer. For now, add an parameter that tells AnalyzeBranch whether it's safe to modify the mbb. A better solution is out there, but I don't have time to deal with it right now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@64518 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13Merge from mainline.Tanya Lattner
Fix PR3486. Fix a bug in code that manually patch physical register live interval after its sub-register is coalesced with a virtual register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@64509 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13Merge from mainline.Tanya Lattner
Pre-alloc splitting needs to be more careful to avoid inserting spills/restores between call frame setup/restore points. Unfortunately, this regresses code size a bit, but at least it's correct now! git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@64508 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-04Merge from mainline.Tanya Lattner
First initialize DAG otherwise dwarf writer is used uninitialized. Duncan spotted this. Thanks! git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@63793 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Explicitly pass in debug location information to BuildMI.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63599 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Pass in something sensible for the debug location information when creating theBill Wendling
initial PHI nodes of the machine function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63598 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Fill in some missing DL propagation in getNode()s.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63595 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Use SDL->getCurDebugLoc() instead of unknown loc for landing pads.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63594 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Explicitly pass in the "unknown" debug location. This is probably notBill Wendling
correct. We need more infrastructure before we can get the DebugLoc info for these instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63593 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Alphabetize includes.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63591 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Propagate debug loc info during SDNode -> machine instr creation.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63585 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Create DebugLoc information in FastISel. Several temporary methods wereBill Wendling
created. Specifically, those BuildMIs which use "DebugLoc::getUnknownLoc()". I'll remove them soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Propagation in TargetLowering. Includes passing a DLDale Johannesen
into SimplifySetCC which gets called elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63583 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-03Use the SubclassData field to hold ExtType, isTrunc, and MemIndexedModeDan Gohman
information. This eliminates the need for the Flags field in MemSDNode, so this makes LoadSDNode and StoreSDNode smaller. Also, it makes FoldingSetNodeIDs for loads and stores two AddIntegers smaller. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63577 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02Last DebugLoc propagation for this file.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63574 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02More DebugLoc propagation. This should be everythingDale Johannesen
except LegalizeOp itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63560 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02MergeValueInto is too smart: it might choose to do the merge the opposite ↵Owen Anderson
direction. Live interval reconstruction needs to account for this, and scour its maps to prevent dangling references. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63558 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02DebugLoc propagation. ExpandOp and PromoteOp,Dale Johannesen
among others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63555 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02Commit missing files.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63545 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02More DebugLoc propagation.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63543 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02Remove trailing spaces.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63540 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02DebugLoc propagation for int<->fp conversions.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02Refactor PerformPHIConstruction, no functionality changes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63536 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02Do not add redundant arguments in a method definition DIE.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63527 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02Duncan's patch. Further to 64382. Takes care of illegal types for shift amount.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63523 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-02Preserve more SourceValue information.Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63498 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-01Fix PR3453 and probably a bunch of other potentialDuncan Sands
crashes or wrong code with codegen of large integers: eliminate the legacy getIntegerVTBitMask and getIntegerVTSignBit methods, which returned their value as a uint64_t, so couldn't handle huge types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63494 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-01Forgot some more DebugLoc propagations.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63493 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-01Fix test failures causes by my previous commit.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63492 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-01Fix an issue in PHI construction that was exposed by GCC 4.2 producing a ↵Owen Anderson
different set iteration order for the reg_iterator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63490 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31DebugLoc propagation.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63488 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31DebugLoc propagation. Done with file.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63486 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31DebugLoc propagation. Done with file.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63485 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31Fix PR3401: when using large integers, the typeDuncan Sands
returned by getShiftAmountTy may be too small to hold shift values (it is an i8 on x86-32). Before and during type legalization, use a large but legal type for shift amounts: getPointerTy; afterwards use getShiftAmountTy, fixing up any shift amounts with a big type during operation legalization. Thanks to Dan for writing the original patch (which I shamelessly pillaged). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63482 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31If unsafe FP optimization is not set, don't allow -(A-B) => B-A becauseMon P Wang
when A==B, -0.0 != +0.0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63474 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31Don't use DebugLoc::getUnknownLoc(). Default to something hopefully sensible.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63473 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31Move CurDebugLoc into SelectionDAGLowering.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63468 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31Propagate debug info in LegalizeFloatTypes.Dale Johannesen
Complete (modulo bugs). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63458 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31Propagate debug info. This file completeDale Johannesen
(modulo bugs) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63457 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-31Propagate debug info through MakeLibCall and aDale Johannesen
couple of things that use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63456 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30More DebugLoc propagation.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63454 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30More DebugLoc propagation.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63452 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30More DebugLoc propagation in LOAD etc. methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63451 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30More DebugLoc propagation in floating-point methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63446 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30Make LowerCallTo and LowerArguments take a DebugLocDale Johannesen
argument. Adjust all callers and overloaded versions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63444 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30Standardize comments about folding xforms.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63443 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-30Get rid of the non-DebugLoc-ified getNOT() method.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63442 91177308-0d34-0410-b5e6-96231b3b80d8
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