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8175 Commits

Author SHA1 Message Date
Evan Cheng
2e6496026f Revert r131664 and fix it in instcombine instead. rdar://9467055 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131708 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-20 00:54:37 +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
Evan Cheng
aaa7f499c1 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131659 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 18:18:39 +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
Eli Friedman
6fd5a6000b Make the demanded bits/elements optimizations preserve debug line information. 
I'm not sure this is quite ideal, but I can't really think of any better way to do it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131616 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 01:20:42 +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
Eli Friedman
e6f364b6c4 More instcombine cleanup, towards improving debug line info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131604 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 23:58:37 +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
Eli Friedman
107ffd58f7 More instcombine simplifications towards better debug locations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131596 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 23:11:30 +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
Dan Gohman
673968ae78 When forming an ICmpZero LSRUse, normalize the non-IV operand 
of the comparison, so that the resulting expression is fully
normalized. This fixes PR9939.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131576 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 21:02:18 +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
Eli Friedman
59f15918c2 More instcombine cleanup aimed towards improving debug line info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131559 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 19:57:14 +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
Eli Friedman
976e7e1cc8 Switch more inst insertion in instcombine to IRBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131547 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 18:10:28 +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
Eli Friedman
1eca76a611 Switch more inst insertion in instcombine to IRBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131544 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 17:58:37 +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
Eli Friedman
e87ca454ba Switch inst insertion in instcombine transform to IRBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131542 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 17:31:55 +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
Stuart Hastings
d116611e0a Fix inelegant initialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131538 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 15:54:26 +00:00
Duncan Sands
d6dde76090 Revert commit 131534 since it seems to have broken several buildbots. 
Original log entry:
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
code in one place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131536 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 14:57:56 +00:00
Nadav Rotem
fe3f5d7538 Refactor getActionType and getTypeToTransformTo ; place all of the 'decision' 
code in one place.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131534 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 12:26:38 +00:00
Eli Friedman
ef819d0ed8 Start trying to make InstCombine preserve more debug info. The idea here is to set the debug location on the IRBuilder, which will be then right location in most cases. This should magically give many transformations debug locations, and fixing places which are missing a debug location will usually just means changing the code creating it to use the IRBuilder. 
As an example, the change to InstCombineCalls catches a common case where a call to a bitcast of a function is rewritten.

Chris, does this approach look reasonable?



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131516 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 01:28:27 +00:00
Eli Friedman
3e22cb9ec3 Use ReplaceInstUsesWith instead of replaceAllUsesWith where appropriate in instcombine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131512 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 00:32:01 +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
Bill Wendling
f5c95b889f Conditionalize the format of the GCOV files by target type. Darwin uses the 4.2 
format.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 23:05:13 +00:00
Stuart Hastings
ca1ef48585 X86 pmovsx/pmovzx ignore the upper half of their inputs. 
rdar://problem/6945110


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131493 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 22:13:31 +00:00
Devang Patel
de98568bf8 Preserve line number information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131482 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 20:00:02 +00:00
Devang Patel
d9b4996637 Set debug loc for new load instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131481 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 19:43:38 +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
Rafael Espindola
0e00c6c561 Don't do tail calls in a function that call setjmp. The stack might be 
corrupted when setjmp returns again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 03:05:33 +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
Stuart Hastings
67f071e697 Avoid combining GEPs that might overflow at runtime. 
rdar://problem/9267970

Patch by Julien Lerouge!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-14 05:55:10 +00:00
Julien Lerouge
eea6c95d5d Fix a source of non determinism in FindUsedTypes, use a SetVector instead of a 
set.

rdar://9423996


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131283 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-13 05:20:42 +00:00
Andrew Trick
14ba1ff133 Convert SimplifyIVUsers into a worklist instead of a single pass over 
the users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131277 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-13 01:12:21 +00:00
Andrew Trick
aeee4616dd indvars: Added SimplifyIVUsers. 
Interleave IV simplifications. Currently involves EliminateComparison
and EliminateRemainder. Next I'll add EliminateExtend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131210 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-12 00:04:28 +00:00
Devang Patel
65a2f77b0e Preserve line number information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131112 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 00:03:11 +00:00
Duncan Sands
5389210e63 Fix PR9820: a read-only call differs from a load in that a load doesn't 
return the pointer being dereferenced, it returns the pointee, but a call
might return the pointer itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130979 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 10:30:37 +00:00
Nick Lewycky
d363ff334d The computation of string length is not that complicated. Fix it, again. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130967 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 23:52:18 +00:00
Eli Friedman
b6e7cd655c PR9838: Fix transform introduced in r127064 to not trigger when only one side of the icmp is an exact shift. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130954 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 21:59:18 +00:00
Nick Lewycky
5409a18832 Update the gcov version used slightly, to make it stop causing modern gcov's to 
crash.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130911 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 02:46:38 +00:00