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| author | Michael Zolotukhin <mzolotukhin@apple.com> | 2016-05-24 22:59:58 +0000 |
|---|---|---|
| committer | Michael Zolotukhin <mzolotukhin@apple.com> | 2016-05-24 22:59:58 +0000 |
| commit | 7216dd46689f95a0ea6a69f8d526f1ede0ffe8d2 (patch) | |
| tree | b3106e1b17b6ba62872182b7bb75fdea531d7af7 /llvm/lib/Analysis/LoopUnrollAnalyzer.cpp | |
| parent | 4caa1bf0bd42c05a47ba026446848e4abce73ab9 (diff) | |
| download | bcm5719-llvm-7216dd46689f95a0ea6a69f8d526f1ede0ffe8d2.tar.gz bcm5719-llvm-7216dd46689f95a0ea6a69f8d526f1ede0ffe8d2.zip | |
[LoopUnrollAnalyzer] Fix a crash in UnrolledInstAnalyzer::visitCastInst.
This fixes PR27847. Now for real.
llvm-svn: 270629
Diffstat (limited to 'llvm/lib/Analysis/LoopUnrollAnalyzer.cpp')
| -rw-r--r-- | llvm/lib/Analysis/LoopUnrollAnalyzer.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp b/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp index 413cf343c97..d88ab163557 100644 --- a/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp +++ b/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp @@ -141,11 +141,7 @@ bool UnrolledInstAnalyzer::visitCastInst(CastInst &I) { Constant *COp = dyn_cast<Constant>(I.getOperand(0)); if (!COp) COp = SimplifiedValues.lookup(I.getOperand(0)); - if (COp) { - if (COp->getType() == I.getType()) { - SimplifiedValues[&I] = cast<Constant>(COp); - return true; - } + if (COp && CastInst::castIsValid(I.getOpcode(), COp, I.getType())) { if (Constant *C = ConstantExpr::getCast(I.getOpcode(), COp, I.getType())) { SimplifiedValues[&I] = C; |
