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1851db6b0f
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1077 Commits

Author SHA1 Message Date
Devang Patel
1851db6b0f Ignore dbg intrinsics while propagating conditional expression info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63876 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 19:15:39 +00:00
Devang Patel
2cc86a1de1 Ignore dbg intrinsics while folding switch instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63802 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 00:30:42 +00:00
Devang Patel
d0a203d76f Ignore dbg intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63781 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 21:39:48 +00:00
Devang Patel
556b20ab46 While folding vallue comparison terminators ignore dbg intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 01:06:11 +00:00
Devang Patel
65085cf7b3 Ignore dbg intrinsics while hoisting common code in the two blocks up into the branch block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63687 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 00:03:08 +00:00
Devang Patel
383d7ed915 Do not let dbg intrinsic block folding of two entry phi node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63671 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-03 22:12:02 +00:00
Nick Lewycky
2eafb8b404 Revert r63600. It didn't fix the bug, it just moved it a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63618 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-03 06:30:37 +00:00
Nick Lewycky
dac5c4b10b Update the callgraph when replacing InvokeInst with CallInst when inlining. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63600 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-03 04:34:40 +00:00
Gabor Greif
c1bb13f1b8 use precise getters 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63402 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-30 18:21:13 +00:00
Duncan Sands
1465d61bdd Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-28 13:14:17 +00:00
Dale Johannesen
381e6f6b7d Revert previous change; even this mild and clearly 
more accurate change loses more than it gains on
benchmarks.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62938 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-24 21:49:34 +00:00
Dale Johannesen
e4e094b52d Improve the inlining cost function a bit. 
Little practical effect.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-24 01:27:33 +00:00
Gabor Greif
a36791da41 Simplify the logic of getting hold of a PHI predecessor block. 
There is now a direct way from value-use-iterator to incoming block in PHINode's API.
This way we avoid the iterator->index->iterator trip, and especially the costly
getOperandNo() invocation. Additionally there is now an assertion that the iterator
really refers to one of the PHI's Uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62869 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-23 19:40:15 +00:00
Chris Lattner
63bf29b5b1 another fix for PR3354 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62561 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-20 01:15:41 +00:00
Bill Wendling
5049fa6bbc Doxygen-ify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62546 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 23:43:56 +00:00
Chris Lattner
6ff645bf0f Fix a problem exposed by PR3354: simplifycfg was making a potentially 
trapping instruction be executed unconditionally.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 23:03:13 +00:00
Bill Wendling
13524bfd00 Temporarily revert r62487. It's causing this error during a release bootstrap of 
llvm-gcc. Most likely, it's miscompiling one of the "gen*" programs:

/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./prev-gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.6.0/bin/ -c -g -O2 -mdynamic-no-pic -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -mdynamic-no-pic -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/build -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -o build/gencondmd.o build/gencondmd.c
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: excess elements in struct initializer
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: warning: (near initialization for 'insn_conditions[4]')
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected '}' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:926: error: expected ',' or ';' before ')' token
../../llvm-gcc.src/gcc/config/i386/mmx.md:927: error: expected identifier or '(' before ',' token
../../llvm-gcc.src/gcc/config/i386/sse.md:3458: error: expected identifier or '(' before ',' token
...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62506 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 08:46:20 +00:00
Chris Lattner
c4f85dd708 Fix PR3016, a bug which can occur do to an invalid assumption: 
we assumed a CFG structure that would be valid when all code in 
the function is reachable, but not all code is necessarily 
reachable.  Do a simple, but horrible, CFG walk to check for this
case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62487 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 02:46:28 +00:00
Chris Lattner
9e0dad4f41 reduce indentation by using 'continue', no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62477 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 02:07:32 +00:00
Chris Lattner
6fe73bbcf3 Fix some problems in SpeculativelyExecuteBB. Basically, 
because of dead code, a phi could use the speculated instruction
that was not in "BB2".  Make this check explicit and tighten up 
some other corners.  This fixes PR3292.  No testcase becauase this
depends entirely on visitation order of blocks and requires a 
sequence of 8 passes to repro.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 00:36:37 +00:00
Chris Lattner
9dd3b610dc Make this a bit more explicit about which cases need the 
check.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62474 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-18 23:22:07 +00:00
Gabor Greif
125329891f introduce typedef for complicated vector, and use it too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62384 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-17 00:09:08 +00:00
Gabor Greif
de62aeaec4 typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62377 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 23:08:50 +00:00
Rafael Espindola
bb46f52027 Add the private linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 20:18:42 +00:00
Gabor Greif
c478e52bf4 avoid using iterators when they get invalidated potentially 
this fixes PR3332

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62271 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 18:40:09 +00:00
Dale Johannesen
39fa32403e Fix testsuite regressions from recursive inlining. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62189 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 22:43:37 +00:00
Dale Johannesen
cbfdf9644c Enable recursive inlining. Reduce inlining threshold 
back to 200; 400 seems to be too high, loses more than
it gains.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62107 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 22:11:50 +00:00
Duncan Sands
ceb4d1aecb Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62099 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 20:38:59 +00:00
Misha Brukman
9b8f542e27 Removed trailing whitespace from Makefiles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-09 16:44:42 +00:00
Dale Johannesen
e345566f8e Adjustments to last patch based on review. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61969 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-09 01:30:11 +00:00
Dale Johannesen
4362387c74 Do not inline functions with (dynamic) alloca into 
functions that don't already have a (dynamic) alloca.
Dynamic allocas cause inefficient codegen and we shouldn't
propagate this (behavior follows gcc).  Two existing tests
assumed such inlining would be done; they are hacked by
adding an alloca in the caller, preserving the point of
the tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61946 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 21:45:23 +00:00
Dan Gohman
d68a07650c Tidy up #includes, deleting a bunch of unnecessary #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 17:59:02 +00:00
Chris Lattner
31535f1f04 Fix PR2929 by making bugpoint/code extract propagate the nothrow 
bit from the original function to the cloned one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61194 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-18 05:52:56 +00:00
Chris Lattner
24313e7aba make instnamer name unnamed blocks as well as instructions and args. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61175 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-18 00:33:11 +00:00
Eli Friedman
080efb8cea Add a helper to remove a branch and DCE the condition, and use it 
consistently for deleting branches.  In addition to being slightly 
more readable, this makes SimplifyCFG a bit better 
about cleaning up after itself when it makes conditions unused.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61100 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-16 20:54:32 +00:00
Misha Brukman
a4a83c314c Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-13 05:21:37 +00:00
Chris Lattner
a16ead8b10 fix a bug I introduced in simplifycfg handling single entry phi 
nodes. FoldSingleEntryPHINodes deletes the PHI, so there is no
need to delete it afterward.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60653 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 07:22:45 +00:00
Chris Lattner
29874e0dc6 Factor some code into a new FoldSingleEntryPHINodes method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60501 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:44:02 +00:00
Chris Lattner
2973a25dbc third time is the charm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60469 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:45:15 +00:00
Chris Lattner
15efa1a1fd fix assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60468 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:43:05 +00:00
Chris Lattner
71af9b07a5 Rename DeleteBlockIfDead to DeleteDeadBlock and make it 
unconditionally delete the block.  All likely clients will
do the checking anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 06:40:52 +00:00
Chris Lattner
2b1ba24fb7 Factor some code out of SimplifyCFG, forming a new 
DeleteBlockIfDead method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60463 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 06:37:44 +00:00
Chris Lattner
7605730ba8 rewrite RecursivelyDeleteTriviallyDeadInstructions to use a more efficient 
formulation that doesn't require set lookups or scanning a set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60203 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-28 01:20:46 +00:00
Chris Lattner
2872177834 remove some weirdness that came from the LSR code that has 
nothing to do with dead instruction elimination.  No tests in
dejagnu depend on this, so I don't know what it was needed for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60202 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-28 00:58:15 +00:00
Chris Lattner
9fd4955c6a delete ErasePossiblyDeadInstructionTree, replacing uses of it with 
RecursivelyDeleteTriviallyDeadInstructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60196 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 23:25:44 +00:00
Chris Lattner
564c0a2330 enhance RecursivelyDeleteTriviallyDeadInstructions to make 
PHIs dead if they are single-value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60194 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 23:18:11 +00:00
Chris Lattner
4f02c74a8e Enhance RecursivelyDeleteTriviallyDeadInstructions to optionally 
return a list of deleted instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60193 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 23:14:34 +00:00
Chris Lattner
3481f24c06 remove doConstantPropagation and dceInstruction, they are just 
wrappers around the interesting code and use an obscure iterator
abstraction that dates back many many years.

Move EraseDeadInstructions to Transforms/Utils and name it
RecursivelyDeleteTriviallyDeadInstructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60191 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 22:57:53 +00:00
Chris Lattner
4aebaee0e4 switch InstCombine::visitLoadInst to use 
FindAvailableLoadedValue


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60169 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 08:56:30 +00:00
Chris Lattner
ee6e10bc8e enhance FindAvailableLoadedValue to make use of AliasAnalysis 
if it has it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60167 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 08:18:12 +00:00