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Author SHA1 Message Date
Devang Patel
3c1afad503 Supply alignment info to linker through LLVMSymbol. 
llvm-svn: 31181
 2006-10-25 18:10:07 +00:00
Chris Lattner
df59442a74 turn off tail merging for now 
llvm-svn: 31180
 2006-10-25 18:08:50 +00:00
Chris Lattner
5bb7f41bca be more aggressive about matching identical instructions. 
llvm-svn: 31179
 2006-10-25 18:08:14 +00:00
Chris Lattner
064d24f6a8 Allow this to pass on ppc 
llvm-svn: 31178
 2006-10-25 16:37:47 +00:00
Chris Lattner
4c3dd54300 Modernize the testcase, allow it to pass on ppc 
llvm-svn: 31177
 2006-10-25 16:35:10 +00:00
Devang Patel
cb480ce29c TargetData is not subclassed. So no need to have virtual method. 
llvm-svn: 31173
 2006-10-24 20:48:29 +00:00
Chris Lattner
4b204306fa Targets should depend on all the intrinsics.td files also, otherwise they 
will compute a locally wrong numbering for the intrinsics.  This fixes a
nasty issue where the x86 backend started miscompiling stuff in a 'cvs up'd
build after the altivec intrinsics were added.

llvm-svn: 31172
 2006-10-24 20:32:44 +00:00
Devang Patel
0691019e12 Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Rafael Espindola
a962656c07 expand ISD::VACOPY 
llvm-svn: 31170
 2006-10-24 20:15:21 +00:00
John Criswell
b62dc05d41 Removed extraneous semi-colon; this was prevening the grammar file from 
bison'ing correctly.

llvm-svn: 31169
 2006-10-24 19:09:48 +00:00
Devang Patel
c114a200c5 Instead of hard coding global prefix, use TargetAsmInfo. 
Add LTO destructor.

llvm-svn: 31168
 2006-10-24 18:41:02 +00:00
Chris Lattner
a797dd393f visitSwitchCase knows how to insert conditional branches well. Change 
visitBr to just call visitSwitchCase, eliminating duplicate logic.

llvm-svn: 31167
 2006-10-24 18:07:37 +00:00
Chris Lattner
79a1ca0a61 Generalize CaseBlock a bit more: 
Rename LHSBB/RHSBB to TrueBB/FalseBB.  Allow the RHS value to be null,
in which case the LHS is treated as a bool.

llvm-svn: 31166
 2006-10-24 17:57:59 +00:00
Chris Lattner
bc4f0e8b56 update comment 
llvm-svn: 31165
 2006-10-24 17:41:22 +00:00
Chris Lattner
790275342a Fix CodeGen/IA64/ret-0.ll, which has apparently been broken since some of the 
isel changes happened months ago.

llvm-svn: 31164
 2006-10-24 17:09:43 +00:00
Chris Lattner
3b42d11f6e new testcase 
llvm-svn: 31163
 2006-10-24 17:09:20 +00:00
Rafael Espindola
2259fab5cf fix warning about missing newline at end of file 
llvm-svn: 31162
 2006-10-24 17:07:11 +00:00
Chris Lattner
fc8e70297e generalize 'CaseBlock'. It really allows any comparison to be inserted. 
llvm-svn: 31161
 2006-10-24 17:03:35 +00:00
Chris Lattner
71dc932fcb implement uncond branch insertion, mark branches with isBranch. 
llvm-svn: 31160
 2006-10-24 16:47:57 +00:00
Chris Lattner
34b009bf45 implement uncond branch insertion for the branch folding pass 
llvm-svn: 31159
 2006-10-24 16:44:55 +00:00
Chris Lattner
27b79c117a implement uncond branch insertion so alpha works work branchfolding. 
llvm-svn: 31158
 2006-10-24 16:41:36 +00:00
Chris Lattner
f899cf0dc5 implement uncond branch insertion for sparc to fix regressions from last night 
due to branchfolding

llvm-svn: 31157
 2006-10-24 16:39:19 +00:00
Chris Lattner
efee605648 new bad case 
llvm-svn: 31156
 2006-10-24 16:12:47 +00:00
Jim Laskey
55d57252c3 Don't do dead block elimination in fast mode. 
llvm-svn: 31155
 2006-10-24 16:11:49 +00:00
Rafael Espindola
b35e4b16ae fix assert comment 
llvm-svn: 31154
 2006-10-24 14:47:28 +00:00
Jim Laskey
47b2dcf17f LinearScanner hotspot. 
llvm-svn: 31153
 2006-10-24 14:35:25 +00:00
Jim Laskey
605cf8cc6a Tighter data structure for deleted debug labels. 
llvm-svn: 31152
 2006-10-24 11:50:43 +00:00
Chris Lattner
0cf64c9469 Fix Transforms/ScalarRepl/2006-10-23-PointerUnionCrash.ll 
llvm-svn: 31151
 2006-10-24 06:26:32 +00:00
Chris Lattner
bca9b5f4bc New testcase that crashes scalarrepl 
llvm-svn: 31150
 2006-10-24 06:26:08 +00:00
Chris Lattner
533b205309 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
Chris Lattner
e38c95d2a3 Add intrinsics for the rest of the DCB* instructions. 
llvm-svn: 31148
 2006-10-24 01:08:42 +00:00
Chris Lattner
eb7ccde058 add missing dcb* intrinsics 
llvm-svn: 31147
 2006-10-24 01:07:39 +00:00
Chris Lattner
d13449ed3e Revert back to r1.21, which was the last revision of predsimplify that 
passes llvm-gcc bootstrap.

llvm-svn: 31146
 2006-10-24 00:36:21 +00:00
Chris Lattner
131eb21cc7 add moveBefore/moveAfter helper methods 
llvm-svn: 31145
 2006-10-24 00:02:26 +00:00
Devang Patel
b7f1981edd Fix typo. Add more comment. Avoid extra hash_map search. 
llvm-svn: 31144
 2006-10-23 23:57:53 +00:00
Chris Lattner
108484eb68 add two helper methods 
llvm-svn: 31143
 2006-10-23 23:35:35 +00:00
Devang Patel
5ff2903a58 Add removeModule(). 
llvm-svn: 31142
 2006-10-23 23:12:26 +00:00
Chris Lattner
0c3fabc9a4 Enable tail merging by default. 
llvm-svn: 31140
 2006-10-23 22:10:12 +00:00
Evan Cheng
66c0075a29 Update test case. 
llvm-svn: 31139
 2006-10-23 21:47:11 +00:00
Rafael Espindola
70f01d5cc0 implement STRB and STRH 
llvm-svn: 31138
 2006-10-23 20:34:27 +00:00
Rafael Espindola
357f151d9d expand ISD::MEMSET 
llvm-svn: 31137
 2006-10-23 20:08:22 +00:00
Andrew Lenharth
67fc2c366f Make these hack flags hidden, like other dsa hack flags 
llvm-svn: 31136
 2006-10-23 19:55:24 +00:00
Andrew Lenharth
20f5c4f47d Revert the aggressive inlining for now, it doesn't handle external correctly 
llvm-svn: 31135
 2006-10-23 19:53:37 +00:00
Andrew Lenharth
b22538d23c change this back 
llvm-svn: 31134
 2006-10-23 19:52:54 +00:00
Andrew Lenharth
daafe61834 restore these tests 
llvm-svn: 31133
 2006-10-23 19:52:27 +00:00
Chris Lattner
91e628645b Handle fallout from the recent branch-on-undef changes. This fixes 
Prolangs-C/agrep and SCCP/2006-10-23-IPSCCP-Crash.ll

llvm-svn: 31132
 2006-10-23 18:57:02 +00:00
Chris Lattner
f207a5475b new testcase 
llvm-svn: 31131
 2006-10-23 18:54:35 +00:00
Chris Lattner
06236f7928 Minor tweak. Instead of generating: 
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
Jim Laskey
f6a28d7161 More complete solution to deleting blocks and debug info. 
llvm-svn: 31129
 2006-10-23 14:56:37 +00:00
Jim Laskey
0eeabf8ff5 [SU]int update - inactive code may get activated someday 
llvm-svn: 31128
 2006-10-23 14:39:22 +00:00