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1102 Commits

Author SHA1 Message Date
Dale Johannesen
d9c05d7711 Skip ptr-to-ptr bitcasts when counting in another case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66000 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-04 02:06:53 +00:00
Dale Johannesen
cdb16aa5ab Always skip ptr-to-ptr bitcasts when counting, 
per Chris' suggestion.  Slightly faster.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-04 01:53:05 +00:00
Dale Johannesen
127a7936de Marking debug info intrinsics as not touching memory 
caused them to be considered trivially dead.  Fix this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 23:30:00 +00:00
Dale Johannesen
4ded40a44d Instruction counters must skip the bitcasts that 
feed into llvm.dbg.declare nodes, as well as
the debug directives themselves.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 22:36:47 +00:00
Dale Johannesen
4945c65784 When removing a store to an alloca that has only one 
use, check also for the case where it has two uses,
the other being a llvm.dbg.declare.  This is needed so
debug info doesn't affect codegen.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65970 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 21:26:39 +00:00
Bill Wendling
1c85503e38 Remove accidental check-ins in r65960. :-( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65961 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 19:25:16 +00:00
Bill Wendling
3aaf5d9933 Use > instead of >=. We want to promote aggregates of 128-bytes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65960 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 19:18:49 +00:00
Dan Gohman
0f8b53f19d Fix a bunch of Doxygen syntax issues. Escape special characters, 
and put @file directives on their own comment line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65920 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 02:55:14 +00:00
Dale Johannesen
bd8e650876 When sinking an insn in InstCombine bring its debug 
info with it.
Don't count debug info insns against the scan maximum
in FindAvailableLoadedValue (lest they affect codegen).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-03 01:09:07 +00:00
Nick Lewycky
7569af769e Fix compiler warning about uninitialized variables. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65620 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-27 06:29:31 +00:00
Zhou Sheng
a8d57fe96b Ignore dbg info intrinsics when folding conditional branch to 
conditional branch predecessors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65509 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-26 06:56:37 +00:00
Zhou Sheng
9a7c743fc0 Don't block basic block with only SwitchInst to fold into predecessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65456 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-25 15:34:27 +00:00
Devang Patel
5622f07a21 While folding unconditional return move DbgRegionEndInst into the predecessor, instead of removing it. This fixes following tests from llvmgcc42 testsuite. 
gcc.c-torture/execute/20000605-3.c
gcc.c-torture/execute/20020619-1.c
gcc.c-torture/execute/20030920-1.c
gcc.c-torture/execute/loop-ivopts-1.c



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65353 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-24 00:05:16 +00:00
Mon P Wang
b0000c376c Changed option name from inline-threshold to basic-inline-threshold because 
inline-threshold option is used by the inliner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65309 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-23 07:07:56 +00:00
Evan Cheng
b0ea08066c Add AddrModeMatcher.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65228 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-21 07:05:11 +00:00
Evan Cheng
a1fd5b386d Factor address mode matcher out of codegen prepare to make it available to other passes, e.g. loop strength reduction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65134 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-20 18:24:38 +00:00
Zhou Sheng
3f315eb5e0 Just roll back the previous change to -mem2reg. 
Will re-think about this according to Chris's comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-20 17:49:33 +00:00
Zhou Sheng
a248c45e00 patch to update the line number information in pass -mem2reg. 
Currently this pass will delete the variable declaration info, 
and keep the line number info. But the kept line number info is not updated, 
and some is redundant or not correct, this patch just updates those info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65123 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-20 16:31:35 +00:00
Nick Lewycky
586a7c4a37 Fix typo caused by too much surfing, dudes... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64626 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 04:26:53 +00:00
Chris Lattner
af9985c6b9 Fix a nasty bug (PR3550) where the inline pass could incorrectly mark 
calls with the tail marker when inlining them through an invoke.  Patch,
testcase, and perfect analysis by Jay Foad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64364 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-12 07:06:42 +00:00
Devang Patel
bd75b8345f If llvm.dbg.region.end is disappearing then remove corresponding llvm.dbg.func.start also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64278 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-11 01:29:06 +00:00
Devang Patel
0464a1431b Ignore dbg intrinsic while folding unconditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64242 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-10 22:14:17 +00:00
Devang Patel
f66d7b5a51 Do not clone llvm.dbg.func.start and corresponding llvm.dbg.region.end during inlining. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-10 07:48:18 +00:00
Devang Patel
4afc90dacf Enable scalar replacement of AllocaInst whose one of the user is dbg info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64207 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-10 07:00:59 +00:00
Devang Patel
998cbb0444 Revert rev. 63876. It is causing llvm-gcc bootstrap failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63888 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 21:46:41 +00:00
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