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965 Commits

Author SHA1 Message Date
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
Gabor Greif
20f36c51bd introduce typedef for complicated vector, and use it too 
llvm-svn: 62384
 2009-01-17 00:09:08 +00:00
Gabor Greif
0d0908d06a typo 
llvm-svn: 62377
 2009-01-16 23:08:50 +00:00
Rafael Espindola
0aba6c9435 Add the private linkage. 
llvm-svn: 62279
 2009-01-15 20:18:42 +00:00
Gabor Greif
b1f92de36f avoid using iterators when they get invalidated potentially 
this fixes PR3332

llvm-svn: 62271
 2009-01-15 18:40:09 +00:00
Dale Johannesen
e458c47a74 Fix testsuite regressions from recursive inlining. 
llvm-svn: 62189
 2009-01-13 22:43:37 +00:00
Dale Johannesen
12bb54e183 Enable recursive inlining. Reduce inlining threshold 
back to 200; 400 seems to be too high, loses more than
it gains.

llvm-svn: 62107
 2009-01-12 22:11:50 +00:00
Duncan Sands
bcdbfb63dc Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.

llvm-svn: 62099
 2009-01-12 20:38:59 +00:00
Misha Brukman
71c7e40966 Removed trailing whitespace from Makefiles. 
llvm-svn: 61991
 2009-01-09 16:44:42 +00:00
Dale Johannesen
eb1316a896 Adjustments to last patch based on review. 
llvm-svn: 61969
 2009-01-09 01:30:11 +00:00
Dale Johannesen
4c25cb12ea 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.

llvm-svn: 61946
 2009-01-08 21:45:23 +00:00
Dan Gohman
8271066844 Tidy up #includes, deleting a bunch of unnecessary #includes. 
llvm-svn: 61715
 2009-01-05 17:59:02 +00:00
Chris Lattner
6ecf1b2bb1 Fix PR2929 by making bugpoint/code extract propagate the nothrow 
bit from the original function to the cloned one.

llvm-svn: 61194
 2008-12-18 05:52:56 +00:00
Chris Lattner
005d68a2a9 make instnamer name unnamed blocks as well as instructions and args. 
llvm-svn: 61175
 2008-12-18 00:33:11 +00:00
Eli Friedman
de614f9842 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.

llvm-svn: 61100
 2008-12-16 20:54:32 +00:00
Misha Brukman
5e6eec9337 Fix spelling. 
llvm-svn: 60971
 2008-12-13 05:21:37 +00:00
Chris Lattner
a79a341f1e 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.

llvm-svn: 60653
 2008-12-07 07:22:45 +00:00
Chris Lattner
420385f8c3 Factor some code into a new FoldSingleEntryPHINodes method. 
llvm-svn: 60501
 2008-12-03 19:44:02 +00:00
Chris Lattner
29326a6d1f third time is the charm. 
llvm-svn: 60469
 2008-12-03 07:45:15 +00:00