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Author SHA1 Message Date
Bob Wilson
d67dddb134 Remove DAG combiner patch to fold vector splats. Instcombiner does it now. 
llvm-svn: 117720
 2010-10-29 22:03:02 +00:00
Bob Wilson
996353fb5d Make instcombine a little more aggressive in combining vector shuffles. 
Allow splats even if they don't match either of the original shuffles,
possibly due to undef entries in the shuffles masks.  Radar 8597790.
Also fix some 80-column violations.

llvm-svn: 117719
 2010-10-29 22:02:50 +00:00
Jim Grosbach
e811e91d02 add FIXME 
llvm-svn: 117718
 2010-10-29 21:56:51 +00:00
Jim Grosbach
fcfc42b7bb Convert ARM::MOVi2pieces to a true pseudo-instruction and expand it in 
the ARMExpandPseudos pass rather than during the asm lowering.

llvm-svn: 117714
 2010-10-29 21:35:25 +00:00
Owen Anderson
14cf6bfa0f Update testcase since we're no longer doing the constant forwarding inline with correlated value propagation. 
llvm-svn: 117712
 2010-10-29 21:18:23 +00:00
Eric Christopher
bf7cf2a203 Handle comparison values we already have - this fixes the consumer-typeset 
failure for llvm-gcc on arm fast isel.

llvm-svn: 117710
 2010-10-29 21:08:19 +00:00
Owen Anderson
b41f027059 Give up on doing in-line instruction simplification during correlated value propagation. Instruction simplification 
needs to be guaranteed never to be run on an unreachable block.  However, earlier block simplifications may have
changed the CFG to make block that were reachable when we began our iteration unreachable by the time we try to
simplify them. (Note that this also means that our depth-first iterators were potentially being invalidated).

This should not have a large impact on code quality, since later runs of instcombine should pick up these simplifications.
Fixes PR8506.

llvm-svn: 117709
 2010-10-29 21:05:17 +00:00
Owen Anderson
ccbb8e7b65 Convert this test to .s form. 
llvm-svn: 117708
 2010-10-29 20:39:19 +00:00
Jim Grosbach
93fbda05ee ARM::MOVi32imm is expanded in ARMExpandPseudoInsts, so there's no need to 
handle it in the asm lowering.

llvm-svn: 117707
 2010-10-29 20:37:06 +00:00
Owen Anderson
7e3af87961 Convert this test to .s form. 
llvm-svn: 117704
 2010-10-29 20:23:45 +00:00
Jim Grosbach
52638aa1c8 Fix typo. 
llvm-svn: 117703
 2010-10-29 20:21:49 +00:00
Jim Grosbach
4ca61d9877 ARM encoding information for CLREX, SWP and SWPB. Add comment for sjlj pseudos and a FIXME for TLS. 
llvm-svn: 117702
 2010-10-29 20:21:36 +00:00
Dan Gohman
adc29a454a not is testing for a normal exit with a non-zero value. It shouldn't 
return success if the child process is killed with a signal.

llvm-svn: 117701
 2010-10-29 20:20:29 +00:00
Owen Anderson
1b3d8432b1 Convert this test to .s form. 
llvm-svn: 117699
 2010-10-29 20:17:07 +00:00
Dan Gohman
85557399a1 Make ScalarEvolution::forgetLoop forget all contained loops too, because 
they may have ValuesAtScopes map entries referencing their outer loops.
This fixes a user-after-free reported in PR8471.

llvm-svn: 117698
 2010-10-29 20:16:10 +00:00
Owen Anderson
fc007fef16 Convert this test to .s form. 
llvm-svn: 117696
 2010-10-29 20:12:34 +00:00
Jim Grosbach
162e3345fb ARM mode LDREX*/STREX* binary encodings. 
llvm-svn: 117695
 2010-10-29 19:58:57 +00:00
Owen Anderson
2119e59322 Covert this test to .s form. 
llvm-svn: 117694
 2010-10-29 19:56:07 +00:00
Owen Anderson
b75ef99b0c Convert this test to .s form. 
llvm-svn: 117693
 2010-10-29 19:51:11 +00:00
Owen Anderson
9e3265d3da Convert this test to .s form. 
llvm-svn: 117690
 2010-10-29 19:45:32 +00:00
Owen Anderson
f9a6495d0a Convert this test to .s form. 
llvm-svn: 117689
 2010-10-29 19:37:05 +00:00
Jim Grosbach
5bc94b46a9 Encoding information for ARM conditional move instructions. 
llvm-svn: 117687
 2010-10-29 19:28:17 +00:00
Owen Anderson
8fb42c665e Convert this test to .s form. 
llvm-svn: 117686
 2010-10-29 19:17:08 +00:00
Owen Anderson
230358caab Convert this test to .s form. 
llvm-svn: 117685
 2010-10-29 19:09:08 +00:00
Owen Anderson
4176d55f79 Covert this test to .s form. 
llvm-svn: 117684
 2010-10-29 19:05:26 +00:00
Owen Anderson
cc7d9dcb52 Convert this test to .s form. 
llvm-svn: 117683
 2010-10-29 18:58:30 +00:00
Owen Anderson
4e1532000b Convert this test to .s form. 
llvm-svn: 117682
 2010-10-29 18:48:59 +00:00
Owen Anderson
a84837747c Convert this file to less fragile .s form. 
llvm-svn: 117681
 2010-10-29 18:41:40 +00:00
Owen Anderson
8e290aafbd Replace this test with the less fragile .s version. Still XFAIL'd, since the ASM parser doesn't parse vabal yet. 
llvm-svn: 117679
 2010-10-29 18:31:26 +00:00
Jakob Stoklund Olesen
469a9ef414 Fix sign error. 
llvm-svn: 117677
 2010-10-29 18:21:18 +00:00
Owen Anderson
840931e8ed Covert this test to a .s file to reduce fragility. 
llvm-svn: 117676
 2010-10-29 18:18:40 +00:00
Evan Cheng
392d2cbdcc Avoiding overly aggressive latency scheduling. If the two nodes share an 
operand and one of them has a single use that is a live out copy, favor the
one that is live out. Otherwise it will be difficult to eliminate the copy
if the instruction is a loop induction variable update. e.g.

BB:
sub r1, r3, #1
str r0, [r2, r3]
mov r3, r1
cmp
bne BB

=>

BB:
str r0, [r2, r3]
sub r3, r3, #1
cmp
bne BB

This fixed the recent 256.bzip2 regression.

llvm-svn: 117675
 2010-10-29 18:09:28 +00:00
Evan Cheng
92293993bd - Don't schedule nodes with only MVT::Flag and MVT::Other values for latency. 
- Compute CopyToReg use operand latency correctly.

llvm-svn: 117674
 2010-10-29 18:07:31 +00:00
Jakob Stoklund Olesen
1f2fb9a020 Don't transfer unused values to the new intervals formed by splitting. 
llvm-svn: 117673
 2010-10-29 17:47:49 +00:00
Jim Grosbach
edec5cc6b8 Handle ARM addrmode5 instructions with an offset. 
llvm-svn: 117672
 2010-10-29 17:41:25 +00:00
Benjamin Kramer
d84e7a7b91 Silence Release build warnings. 
llvm-svn: 117671
 2010-10-29 17:40:05 +00:00
Jakob Stoklund Olesen
d56c4457a6 Teach ConnectedVNInfoEqClasses::Classify to deal with unused values. 
We don't want unused values forming their own equivalence classes, so we lump
them all together in one class, and then merge them with the class of the last
used value.

llvm-svn: 117670
 2010-10-29 17:37:29 +00:00
Jakob Stoklund Olesen
e577489ba5 Never propagate the idom value out of a block that defines its own value. 
llvm-svn: 117669
 2010-10-29 17:37:25 +00:00
John Thompson
6115a7f1d4 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 
llvm-svn: 117667
 2010-10-29 17:29:13 +00:00
Dan Gohman
85403d8246 Check if ErrMsg is null. This fixes the "not" command. 
llvm-svn: 117666
 2010-10-29 17:20:42 +00:00
Dan Gohman
6a889e86df Fix these error messages to be less confusing. These error 
messages primarily indicate errors running the viewer, not
errors with the graph file itself.

llvm-svn: 117665
 2010-10-29 17:03:40 +00:00
Dan Gohman
b27988e5bd Make Program::Wait differentiate execution failure due to the file 
being not found from the file being not executable. 

llvm-svn: 117664
 2010-10-29 16:54:25 +00:00
Jim Grosbach
6f257bd31b Revert 117660. Apparently it's not as trivial as that... 
llvm-svn: 117663
 2010-10-29 16:50:53 +00:00
Devang Patel
43516e02b6 Simplify. 
-      DIFile F = getFieldAs<DIFile>(6); 
-      return F.getDirectory();
+      return getFieldAs<DIFile>(6).getDirectory(); 

llvm-svn: 117662
 2010-10-29 16:42:37 +00:00
Dan Gohman
a80b1afde3 Make Program::Wait provide an error message string for errors 
executing the child process and abnormal child process termination.

llvm-svn: 117661
 2010-10-29 16:39:01 +00:00
Jim Grosbach
8c9a2ee86e ARM addrmode5 instructions have neither writeback nor post-indexed modes. 
llvm-svn: 117660
 2010-10-29 16:38:59 +00:00
Dan Gohman
3419ae24eb Check for (unlikely) errors from FindExecutable. 
llvm-svn: 117658
 2010-10-29 16:18:26 +00:00
Dan Gohman
e9b4001854 Fix these error messages to not mention PATH in cases where 
PATH isn't actually searched, and to not mention the executable
directory when it isn't actually searched.

llvm-svn: 117657
 2010-10-29 16:15:23 +00:00
Dan Gohman
90ced5a2ee Delete this obsolete comment. 
llvm-svn: 117655
 2010-10-29 16:03:34 +00:00
Jim Grosbach
29961ebfc5 Trailing whitespace. 
llvm-svn: 117651
 2010-10-29 14:46:02 +00:00