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| author | Dan Gohman <gohman@apple.com> | 2011-03-02 01:34:10 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2011-03-02 01:34:10 +0000 |
| commit | 0cbe91ba3bd84a5ef68a1d0de5df6e955690b0a4 (patch) | |
| tree | 70b49aa1042c0fade036961d38957c37e3e26e66 /lib/Analysis | |
| parent | f06e6c2ba717429936908254d53fa579bc941388 (diff) | |
Don't re-use existing addrec expansions if they contain casts.
This fixes PR9259.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126812 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/ScalarEvolutionExpander.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp index b7c110f28c..f2d23c4be7 100644 --- a/lib/Analysis/ScalarEvolutionExpander.cpp +++ b/lib/Analysis/ScalarEvolutionExpander.cpp @@ -858,7 +858,8 @@ SCEVExpander::getAddRecExprPHILiterally(const SCEVAddRecExpr *Normalized, // loop already visited by LSR for example, but it wouldn't have // to be. do { - if (IncV->getNumOperands() == 0 || isa<PHINode>(IncV)) { + if (IncV->getNumOperands() == 0 || isa<PHINode>(IncV) || + isa<CastInst>(IncV)) { IncV = 0; break; } |