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13a16083ab
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1773 Commits

Author SHA1 Message Date
Cameron Zwarich
13a16083ab Clean up the lazy initialization of DIBuilder a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131956 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 06:00:08 +00:00
Cameron Zwarich
c827939046 Make LoadAndStorePromoter preserve debug info and create llvm.dbg.values when 
promoting allocas to SSA variables. Fixes <rdar://problem/9479036>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131953 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 03:10:43 +00:00
Frits van Bommel
5649ba70fb Add a parameter to ConstantFoldTerminator() that callers can use to ask it to also clean up the condition of any conditional terminator it folds to be unconditional, if that turns the condition into dead code. This just means it calls RecursivelyDeleteTriviallyDeadInstructions() in strategic spots. It defaults to the old behavior. 
I also changed -simplifycfg, -jump-threading and -codegenprepare to use this to produce slightly better code without any extra cleanup passes (AFAICT this was the only place in -simplifycfg where now-dead conditions of replaced terminators weren't being cleaned up). The only other user of this function is -sccp, but I didn't read that thoroughly enough to figure out whether it might be holding pointers to instructions that could be deleted by this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131855 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-22 16:24:18 +00:00
Nick Lewycky
6d55f2269e Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables 
of the inlinee to the code representing the original function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-22 05:22:10 +00:00
Devang Patel
d3a1788da1 Reapply r131605. This time with a fix, which is to use NoFolder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131673 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 20:52:46 +00:00
Rafael Espindola
216dde91d1 revert 131605 to fix PR9946. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131620 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 02:26:30 +00:00
Devang Patel
1f5812bd99 Use IRBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131609 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 00:13:33 +00:00
Devang Patel
1aa89a2f91 Use IRBuilder while simplifying unreachable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131607 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 00:09:21 +00:00
Devang Patel
0b4ccdc98c Use IRBuilder while simplifying conditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131605 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 23:59:51 +00:00
Devang Patel
02dd5418d2 Use IRBuilder while simplifying branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131598 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 23:18:47 +00:00
Devang Patel
176ec40cb1 Use IRBuilder while simplifying return instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131580 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 21:33:11 +00:00
Devang Patel
b55d924b1e Spread use of IRBuilder even more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131571 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 20:53:17 +00:00
Devang Patel
007349dafd Use IRBuilder while simplifying switch instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131566 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 20:35:38 +00:00
Devang Patel
d46ba26a6b Use IRBuilder while simplifying unwind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131561 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 20:01:18 +00:00
Devang Patel
d3372b85e6 Use IRBuilder while simplifying terminator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 18:43:31 +00:00
Devang Patel
a23812cfbd Use IRBuilder while simplifying unconditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131551 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 18:28:48 +00:00
Devang Patel
f60364de44 Use IRBuilder while folding two entry PHINode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131548 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 18:16:44 +00:00
Devang Patel
3e410c6607 Set up IRBuilder for use during simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131545 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 18:01:27 +00:00
Matt Beaumont-Gay
f88ad9aeee fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131543 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 17:37:10 +00:00
Devang Patel
62fb3556ea Use IRBuiler while constant folding terminator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131541 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 17:26:46 +00:00
Devang Patel
d80e8ed2fa Preseve line numbers while simplifying CFG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131508 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 23:29:05 +00:00
Devang Patel
c9ea771cb8 Preserve line number information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131480 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 19:43:06 +00:00
Devang Patel
a8992b3e72 There is no need to force DebugLoc on a PHI at this point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131427 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 22:05:03 +00:00
Devang Patel
227dfdb3c4 Preserve debug info for unused zero extended boolean argument. 
Radar 9422775.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131422 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 21:24:05 +00:00
Benjamin Kramer
10fcfb53fd SimplifyCFG: Use ComputeMaskedBits to prune dead cases from switch instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131345 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-14 15:57:25 +00:00
Devang Patel
a922ba7edc Set debug location for new PHI nodes created in exit block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130894 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:58:22 +00:00
Devang Patel
67352b3ce7 Scanning entire basic block may be too expensive in terms of compile time. Instead, just use whatever location info first non-phi instruction has. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130729 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 21:57:00 +00:00
Devang Patel
40348e8d1f Assing line number info to new PHIs created by SSA updater. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130551 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 22:28:59 +00:00
Peter Collingbourne
57808b3da0 SimplifyCFG: Expose phi node folding cost threshold as command line parameter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130528 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:47:38 +00:00
Peter Collingbourne
f15907fead SimplifyCFG: Add CostRemaining parameter to DominatesMergePoint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130527 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:47:31 +00:00
Peter Collingbourne
8a70192b51 SimplifyCFG: Add Trunc, ZExt and SExt to the list of cheap instructions for phi node folding 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130526 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:47:25 +00:00
Devang Patel
81ad03c020 Remove DbgDeclare only if all uses are converted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130431 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:32:02 +00:00
Jay Foad
ddcdcc8863 Remove unused STL header includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130068 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 19:53:52 +00:00
Jay Foad
ec9186bcf9 PR9214: Convert Metadata API to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129932 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-21 19:59:31 +00:00
Jay Foad
1a0390253b Trivial simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129759 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 15:23:29 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Chris Lattner
3c6e746b5f rework FoldBranchToCommonDest to exit earlier when there is a bonus 
instruction around, reducing work.

Greatly simplify handling of debug instructions.  There is no need to
build up a vector of them and then move them into the one predecessor
if we're processing a block.  Instead just rescan the block and *copy*
them into the pred.  If a block gets merged into multiple preds, this
will retain more debug info.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129502 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 02:44:53 +00:00
Chris Lattner
c8fbc34869 comment cleanup, use moveBefore instead of removeFromParent+insertBefore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129319 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-11 23:24:57 +00:00
Jay Foad
562b84b3ae Don't include Operator.h from InstrTypes.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129271 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-11 09:35:34 +00:00
Devang Patel
60d490cdc7 Do not let debug info interfer with branch folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129114 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-07 23:11:25 +00:00
Devang Patel
949666ea16 While hoisting common code from if/else, hoist debug info intrinsics if they match. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129078 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-07 17:27:36 +00:00
Devang Patel
ae6c95b58e Simplify. isIdenticalToWhenDefined() checks opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129041 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-07 00:30:15 +00:00
Devang Patel
d418194036 While folding branch to a common destination into a predecessor, copy dbg values also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129035 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-06 22:37:20 +00:00
Eli Friedman
eeb7f4ce2d Attempt to fix breakage from r128782 reported by Francois Pichet on 
llvm-commits.  (Not sure why it only breaks on Windows; maybe it has
something to do with the iterator representation...)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128802 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-04 00:37:38 +00:00
Eli Friedman
71ad2c9eda PR9446: RecursivelyDeleteTriviallyDeadInstructions can delete the instruction 
after the given instruction; make sure to handle that case correctly.
(It's difficult to trigger; the included testcase involves a dead 
block, but I don't think that's a requirement.) 

While I'm here, get rid of the unnecessary warning about
SimplifyInstructionsInBlock, since it should work correctly as far as I know.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128782 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-02 22:45:17 +00:00
Jay Foad
3ecfc861b4 Remove PHINode::reserveOperandSpace(). Instead, add a parameter to 
PHINode::Create() giving the (known or expected) number of operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128537 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 11:28:46 +00:00
Jay Foad
d8b4fb4aab (Almost) always call reserveOperandSpace() on newly created PHINodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128535 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 11:19:20 +00:00
Devang Patel
b99462117e Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128030 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-21 22:04:45 +00:00
Devang Patel
36fae67831 If an AllocaInst referred by DbgDeclareInst is used by a LoadInst then the LoadInst should also get a corresponding llvm.dbg.value intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127924 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-18 23:45:43 +00:00
Devang Patel
79fcad85a4 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127923 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-18 23:33:58 +00:00