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| author | Zhou Sheng <zhousheng00@gmail.com> | 2007-06-27 09:50:26 +0000 |
|---|---|---|
| committer | Zhou Sheng <zhousheng00@gmail.com> | 2007-06-27 09:50:26 +0000 |
| commit | 0d7d3656f3d10c510353d69472de4c0c0691b2e6 (patch) | |
| tree | d816b21f28d5b301570a01fb436b65dfb499e58c | |
| parent | df82c93f2a37f9f52c8210eef9404b4a265a415f (diff) | |
Fix a bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37751 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/IndVarSimplify.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp index f0019052d8..01b74815f5 100644 --- a/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -519,8 +519,11 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) { DOUT << "INDVARS: New CanIV: " << *IndVar; if (!isa<SCEVCouldNotCompute>(IterationCount)) { - if (IterationCount->getType() != LargestType) + if (IterationCount->getType()->getPrimitiveSizeInBits() < + LargestType->getPrimitiveSizeInBits()) IterationCount = SCEVZeroExtendExpr::get(IterationCount, LargestType); + else if (IterationCount->getType() != LargestType) + IterationCount = SCEVTruncateExpr::get(IterationCount, LargestType); if (Instruction *DI = LinearFunctionTestReplace(L, IterationCount,Rewriter)) DeadInsts.insert(DI); } |