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983 Commits

Author SHA1 Message Date
Devang Patel
3ae9d5d375 While hoisting instruction to speculatively execute simple bb, ignore dbg intrinsics. 
llvm-svn: 66255
 2009-03-06 06:00:17 +00:00
Dale Johannesen
83c13c2ace Tweak the check for promotable alloca's to handle 
debug intrinsics correctly.

llvm-svn: 66225
 2009-03-06 00:42:50 +00:00
Devang Patel
28a28a2588 Add "check/remove dbg var" helper routines. 
llvm-svn: 66223
 2009-03-06 00:19:37 +00:00
Dale Johannesen
8ca4d24371 Revert unintended commmit. 
llvm-svn: 66001
 2009-03-04 02:09:48 +00:00
Dale Johannesen
c6bfdb8253 Skip ptr-to-ptr bitcasts when counting in another case. 
llvm-svn: 66000
 2009-03-04 02:06:53 +00:00
Dale Johannesen
e184480072 Always skip ptr-to-ptr bitcasts when counting, 
per Chris' suggestion.  Slightly faster.

llvm-svn: 65999
 2009-03-04 01:53:05 +00:00
Dale Johannesen
e611f70764 Marking debug info intrinsics as not touching memory 
caused them to be considered trivially dead.  Fix this.

llvm-svn: 65979
 2009-03-03 23:30:00 +00:00
Dale Johannesen
81b6cd8ce5 Instruction counters must skip the bitcasts that 
feed into llvm.dbg.declare nodes, as well as
the debug directives themselves.

llvm-svn: 65976
 2009-03-03 22:36:47 +00:00
Dale Johannesen
ceed180d4c 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.

llvm-svn: 65970
 2009-03-03 21:26:39 +00:00
Bill Wendling
7fdda71ad7 Remove accidental check-ins in r65960. :-( 
llvm-svn: 65961
 2009-03-03 19:25:16 +00:00
Bill Wendling
8244b700bf Use > instead of >=. We want to promote aggregates of 128-bytes. 
llvm-svn: 65960
 2009-03-03 19:18:49 +00:00
Dan Gohman
51d4e8db6a Fix a bunch of Doxygen syntax issues. Escape special characters, 
and put @file directives on their own comment line.

llvm-svn: 65920
 2009-03-03 02:55:14 +00:00
Dale Johannesen
33fa9dc8a9 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).

llvm-svn: 65910
 2009-03-03 01:09:07 +00:00
Nick Lewycky
f5563f28d3 Fix compiler warning about uninitialized variables. No functional change. 
llvm-svn: 65620
 2009-02-27 06:29:31 +00:00
Zhou Sheng
670d50e102 Ignore dbg info intrinsics when folding conditional branch to 
conditional branch predecessors.

llvm-svn: 65509
 2009-02-26 06:56:37 +00:00
Zhou Sheng
241d74737b Don't block basic block with only SwitchInst to fold into predecessors. 
llvm-svn: 65456
 2009-02-25 15:34:27 +00:00
Devang Patel
702836b2dd 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

llvm-svn: 65353
 2009-02-24 00:05:16 +00:00
Mon P Wang
75d957dba4 Changed option name from inline-threshold to basic-inline-threshold because 
inline-threshold option is used by the inliner.

llvm-svn: 65309
 2009-02-23 07:07:56 +00:00
Evan Cheng
74d0dda00f Add AddrModeMatcher.cpp 
llvm-svn: 65228
 2009-02-21 07:05:11 +00:00
Evan Cheng
d8aad94754 Factor address mode matcher out of codegen prepare to make it available to other passes, e.g. loop strength reduction. 
llvm-svn: 65134
 2009-02-20 18:24:38 +00:00
Zhou Sheng
0c2e862ad0 Just roll back the previous change to -mem2reg. 
Will re-think about this according to Chris's comments.

llvm-svn: 65126
 2009-02-20 17:49:33 +00:00
Zhou Sheng
580c176f47 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.

llvm-svn: 65123
 2009-02-20 16:31:35 +00:00
Nick Lewycky
6feb7523b8 Fix typo caused by too much surfing, dudes... 
llvm-svn: 64626
 2009-02-16 04:26:53 +00:00
Chris Lattner
5babade39e 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!

llvm-svn: 64364
 2009-02-12 07:06:42 +00:00
Devang Patel
dd611eac76 If llvm.dbg.region.end is disappearing then remove corresponding llvm.dbg.func.start also. 
llvm-svn: 64278
 2009-02-11 01:29:06 +00:00
Devang Patel
60571be0de Ignore dbg intrinsic while folding unconditional branch. 
llvm-svn: 64242
 2009-02-10 22:14:17 +00:00
Devang Patel
6c041de2ff Do not clone llvm.dbg.func.start and corresponding llvm.dbg.region.end during inlining. 
llvm-svn: 64209
 2009-02-10 07:48:18 +00:00
Devang Patel
7377e7aa89 Enable scalar replacement of AllocaInst whose one of the user is dbg info. 
llvm-svn: 64207
 2009-02-10 07:00:59 +00:00
Devang Patel
72f5fba371 Revert rev. 63876. It is causing llvm-gcc bootstrap failure. 
llvm-svn: 63888
 2009-02-05 21:46:41 +00:00
Devang Patel
66eee02024 Ignore dbg intrinsics while propagating conditional expression info. 
llvm-svn: 63876
 2009-02-05 19:15:39 +00:00
Devang Patel
e665f78460 Ignore dbg intrinsics while folding switch instruction. 
llvm-svn: 63802
 2009-02-05 00:30:42 +00:00
Devang Patel
10be164b28 Ignore dbg intrinsics. 
llvm-svn: 63781
 2009-02-04 21:39:48 +00:00
Devang Patel
2fac28a8c7 While folding vallue comparison terminators ignore dbg intrinsics. 
llvm-svn: 63700
 2009-02-04 01:06:11 +00:00
Devang Patel
bc5a1a7007 Ignore dbg intrinsics while hoisting common code in the two blocks up into the branch block. 
llvm-svn: 63687
 2009-02-04 00:03:08 +00:00
Devang Patel
4b56b3c66e Do not let dbg intrinsic block folding of two entry phi node. 
llvm-svn: 63671
 2009-02-03 22:12:02 +00:00
Nick Lewycky
a676cf98e3 Revert r63600. It didn't fix the bug, it just moved it a bit. 
llvm-svn: 63618
 2009-02-03 06:30:37 +00:00
Nick Lewycky
cd8353b6fe Update the callgraph when replacing InvokeInst with CallInst when inlining. 
llvm-svn: 63600
 2009-02-03 04:34:40 +00:00
Gabor Greif
690930270b use precise getters 
llvm-svn: 63402
 2009-01-30 18:21:13 +00:00
Duncan Sands
aee16d4916 Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
llvm-svn: 63198
 2009-01-28 13:14:17 +00:00
Dale Johannesen
b818fa1bd3 Revert previous change; even this mild and clearly 
more accurate change loses more than it gains on
benchmarks.

llvm-svn: 62938
 2009-01-24 21:49:34 +00:00
Dale Johannesen
1867040e00 Improve the inlining cost function a bit. 
Little practical effect.

llvm-svn: 62908
 2009-01-24 01:27:33 +00:00
Gabor Greif
fbd40904c1 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.

llvm-svn: 62869
 2009-01-23 19:40:15 +00:00
Chris Lattner
6ade48fcaa another fix for PR3354 
llvm-svn: 62561
 2009-01-20 01:15:41 +00:00
Bill Wendling
5281f4fb64 Doxygen-ify comments. 
llvm-svn: 62546
 2009-01-19 23:43:56 +00:00
Chris Lattner
e8fa6f2468 Fix a problem exposed by PR3354: simplifycfg was making a potentially 
trapping instruction be executed unconditionally.

llvm-svn: 62541
 2009-01-19 23:03:13 +00:00
Bill Wendling
bf83203ae6 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
...

llvm-svn: 62506
 2009-01-19 08:46:20 +00:00
Chris Lattner
bb76cc9447 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.

llvm-svn: 62487
 2009-01-19 02:46:28 +00:00
Chris Lattner
af6f58bbf4 reduce indentation by using 'continue', no functionality change. 
llvm-svn: 62477
 2009-01-19 02:07:32 +00:00
Chris Lattner
c03b442e54 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.

llvm-svn: 62476
 2009-01-19 00:36:37 +00:00
Chris Lattner
ead19aaccb Make this a bit more explicit about which cases need the 
check.  No functionality change.

llvm-svn: 62474
 2009-01-18 23:22:07 +00:00