1941bfa361
Don't do dead block elimination in fast mode.
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llvm-svn: 31155
2006-10-24 16:11:49 +00:00
5efa6c5d10
fix assert comment
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llvm-svn: 31154
2006-10-24 14:47:28 +00:00
a916192267
LinearScanner hotspot.
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llvm-svn: 31153
2006-10-24 14:35:25 +00:00
516cd40b5c
Tighter data structure for deleted debug labels.
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llvm-svn: 31152
2006-10-24 11:50:43 +00:00
ebb1ad4382
Fix Transforms/ScalarRepl/2006-10-23-PointerUnionCrash.ll
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llvm-svn: 31151
2006-10-24 06:26:32 +00:00
793dab3c9c
New testcase that crashes scalarrepl
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llvm-svn: 31150
2006-10-24 06:26:08 +00:00
ceb51d8427
move single basic blocks that are neither fallen into nor fall out of into
...
a place more useful. In particular, if we can put them in a place where code
will be able to fall into it, do so. Otherwise, put it in a place it can fall
through into a successor. Otherwise, if preventing a fallthrough, move to the
end of the function, out of the way.
This deletes several hundred unconditional branches from spass.
llvm-svn: 31149
2006-10-24 01:12:32 +00:00
d43e8a7429
Add intrinsics for the rest of the DCB* instructions.
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llvm-svn: 31148
2006-10-24 01:08:42 +00:00
528ed09bc1
add missing dcb* intrinsics
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llvm-svn: 31147
2006-10-24 01:07:39 +00:00
dc7b9beb20
Revert back to r1.21, which was the last revision of predsimplify that
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passes llvm-gcc bootstrap.
llvm-svn: 31146
2006-10-24 00:36:21 +00:00
94866bef35
add moveBefore/moveAfter helper methods
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llvm-svn: 31145
2006-10-24 00:02:26 +00:00
fdf6144168
Fix typo. Add more comment. Avoid extra hash_map search.
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llvm-svn: 31144
2006-10-23 23:57:53 +00:00
c76d7ac0fa
add two helper methods
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llvm-svn: 31143
2006-10-23 23:35:35 +00:00
6c01383118
Add removeModule().
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llvm-svn: 31142
2006-10-23 23:12:26 +00:00
ebdb1d6724
Enable tail merging by default.
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llvm-svn: 31140
2006-10-23 22:10:12 +00:00
02a2a5eb3c
Update test case.
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llvm-svn: 31139
2006-10-23 21:47:11 +00:00
b43efe86f5
implement STRB and STRH
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llvm-svn: 31138
2006-10-23 20:34:27 +00:00
cd5f662c7b
expand ISD::MEMSET
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llvm-svn: 31137
2006-10-23 20:08:22 +00:00
9cdaa53007
Make these hack flags hidden, like other dsa hack flags
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llvm-svn: 31136
2006-10-23 19:55:24 +00:00
0c3211eff0
Revert the aggressive inlining for now, it doesn't handle external correctly
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llvm-svn: 31135
2006-10-23 19:53:37 +00:00
1de8fc671e
change this back
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llvm-svn: 31134
2006-10-23 19:52:54 +00:00
3cd1a452c6
restore these tests
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llvm-svn: 31133
2006-10-23 19:52:27 +00:00
fe7b6ef346
Handle fallout from the recent branch-on-undef changes. This fixes
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Prolangs-C/agrep and SCCP/2006-10-23-IPSCCP-Crash.ll
llvm-svn: 31132
2006-10-23 18:57:02 +00:00
ce7906922d
new testcase
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llvm-svn: 31131
2006-10-23 18:54:35 +00:00
4c931502cc
Minor tweak. Instead of generating:
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movl 32(%esp), %eax
cmpl $1, %eax
je LBB1_1 #bb
LBB1_4: #entry
cmpl $2, %eax
je LBB1_2 #bb2
jmp LBB1_3 #UnifiedReturnBlock
LBB1_1: #bb
notice that we would miss the fall through and emit this instead:
movl 32(%esp), %eax
cmpl $2, %eax
je LBB1_2 #bb2
LBB1_4: #entry
cmpl $1, %eax
jne LBB1_3 #UnifiedReturnBlock
LBB1_1: #bb
llvm-svn: 31130
2006-10-23 18:38:22 +00:00
5e1a34032b
More complete solution to deleting blocks and debug info.
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llvm-svn: 31129
2006-10-23 14:56:37 +00:00
bd7a1d2b4d
[SU]int update - inactive code may get activated someday
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llvm-svn: 31128
2006-10-23 14:39:22 +00:00
7838d655ca
Fix test case.
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llvm-svn: 31127
2006-10-23 05:11:09 +00:00
53b4158448
Remove the Backwards operation. Resolving now works at the time when a
...
property is added by running through the list of uses of the value and
adding resolved properties to the property set.
llvm-svn: 31126
2006-10-23 01:56:02 +00:00
76a7bc8c55
Fix phi node updating for switches lowered to linear sequences of branches.
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llvm-svn: 31125
2006-10-22 23:00:53 +00:00
4c3ef4782d
disable this code for now, it's not yet safely updating phi nodes
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llvm-svn: 31124
2006-10-22 22:47:10 +00:00
6f5c30fcec
Fix similar missing optimization opportunity in XOR.
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llvm-svn: 31123
2006-10-22 22:22:58 +00:00
bb3084546a
this part implemented.
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llvm-svn: 31122
2006-10-22 21:40:12 +00:00
af2b0571d0
Whoops! Add missing NULL check.
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llvm-svn: 31121
2006-10-22 21:38:24 +00:00
41a83d7871
Do section switching right way for Mingw\Cygwin and Linux.
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This will allow (after llvm-gcc linkage fix) more dummy tests using
libstdc++ to pass on mingw :)
llvm-svn: 31120
2006-10-22 21:37:13 +00:00
6d6fc26257
Implement PR964 and Regression/CodeGen/Generic/SwitchLowering.ll
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llvm-svn: 31119
2006-10-22 21:36:53 +00:00
2c734f3fc1
Handle "if ((x|y) != 0)" for ints like we do for bools. Fixes missed
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optimization opportunity pointed out by Chris Lattner.
llvm-svn: 31118
2006-10-22 21:36:41 +00:00
76dd3bb34a
new testcase for PR964
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llvm-svn: 31117
2006-10-22 21:36:06 +00:00
f345008339
AllocaInst can't return a null pointer. Fixes missed optimization
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opportunity pointed out by Andrew Lewycky.
llvm-svn: 31115
2006-10-22 19:53:27 +00:00
250eff20da
Add a workaround for PR962, disabling the more aggressive form of this
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transformation. This speeds up a C++ app 2.25x.
llvm-svn: 31113
2006-10-22 18:42:26 +00:00
aa1c614784
Don't generate a prototype for _setjmp. At least on Linux, this function
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has a different prototype than the one #included from <setjmp.h>. This
patch fixes siod and a number of other test cases on Linux that were
failing the CBE because of this _setjmp issue.
llvm-svn: 31112
2006-10-22 09:58:21 +00:00
c7212791a4
Regenerate.
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llvm-svn: 31111
2006-10-22 07:03:43 +00:00
6309fa1438
Remove unneeded CHECK_FOR_ERROR invocations.
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llvm-svn: 31110
2006-10-22 07:03:09 +00:00
7d1d03445e
regenerate
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llvm-svn: 31109
2006-10-22 06:08:13 +00:00
fd3d29a978
change keyword to datalayout
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llvm-svn: 31108
2006-10-22 06:07:41 +00:00
0489716a67
Change keyword to datalayout
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llvm-svn: 31107
2006-10-22 06:06:56 +00:00
af17096dcf
3 Changes:
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1. Better document what is going on here.
2. Only hack on one branch per iteration, making the results less conservative.
3. Handle the problematic case by marking edges executable instead of by
playing with value lattice states. This is far less pessimistic, and fixes
SCCP/ipsccp-gvar.ll.
llvm-svn: 31106
2006-10-22 05:59:17 +00:00
097971202e
New, wonderful isSuccessor method
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llvm-svn: 31103
2006-10-21 06:50:05 +00:00
9f5a129543
don't break infinite loops
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llvm-svn: 31102
2006-10-21 06:11:43 +00:00
23f22de26f
Implement support for branch reversal, fix a bug in branch analysis.
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This provides stuff like:
cmpw cr0, r15, r29
mr r14, r15
- bge cr0, LBB3_111 ;bb656
- b LBB3_90 ;bb501
+ blt cr0, LBB3_90 ;bb501
LBB3_111: ;bb656
lwz r18, 68(r1)
which is particularly good for dispatch group formation.
llvm-svn: 31101
2006-10-21 06:03:11 +00:00
Jim Laskey