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7 Commits

Author SHA1 Message Date
Michael Zolotukhin 1ecdedad8d [LoopUnrollAnalyzer] Fix a crash in analyzeLoopUnrollCost. 
Condition might be simplified to a Constant, but it doesn't have to be
ConstantInt, so we should dyn_cast, instead of cast.

This fixes PR27886.

llvm-svn: 270924
 2016-05-26 21:42:51 +00:00
Michael Zolotukhin 7216dd4668 [LoopUnrollAnalyzer] Fix a crash in UnrolledInstAnalyzer::visitCastInst. 
This fixes PR27847. Now for real.

llvm-svn: 270629
 2016-05-24 22:59:58 +00:00
Michael Zolotukhin 3898b2b587 [LoopUnrollAnalyzer] Fix a crash in UnrolledInstAnalyzer::visitCastInst. 
This fixes PR27847.

llvm-svn: 270517
 2016-05-24 00:51:01 +00:00
Michael Zolotukhin deade19630 [Unroll] Do not crash trying to propagate a value to vector load. 
llvm-svn: 248333
 2015-09-22 22:27:12 +00:00
Michael Zolotukhin 9f06ef76d3 [Unroll] Handle SwitchInst properly. 
Previously successor selection was simply wrong.

llvm-svn: 243545
 2015-07-29 18:10:33 +00:00
Michael Zolotukhin 3a7d55b623 [Unroll] Don't crash when simplified branch condition is undef. 
llvm-svn: 243544
 2015-07-29 18:10:29 +00:00
Michael Zolotukhin a2069d36ce Rename test full-unroll-bad-geps.ll to full-unroll-crashers.ll. 
No reason to limit it only to GEP-related crashes. More tests are to
come here.

llvm-svn: 243543
 2015-07-29 18:10:23 +00:00