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| author | Chris Lattner <sabre@nondot.org> | 2001-12-04 08:13:06 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2001-12-04 08:13:06 +0000 |
| commit | 3bf915f2a296472a6bead0502c88bf74e90ec19b (patch) | |
| tree | ff0c49d1b4df3b3068f1f8218beb5f5f3c163b11 | |
| parent | 4b770a3145378bd5436b35dc52cce4e2d2868ea0 (diff) | |
| download | external_llvm-3bf915f2a296472a6bead0502c88bf74e90ec19b.zip external_llvm-3bf915f2a296472a6bead0502c88bf74e90ec19b.tar.gz external_llvm-3bf915f2a296472a6bead0502c88bf74e90ec19b.tar.bz2 | |
Fix bugs, don't do external methods which causes segv.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1414 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 a6e0bd1..3b64756 100644 --- a/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -127,7 +127,8 @@ static bool TransformLoop(cfg::LoopInfo *Loops, cfg::Loop *Loop) { #ifdef DEBUG cerr << IndVars[i]; #endif - if (IV != Cannonical) { // Don't modify the cannonical indvar + // Don't modify the cannonical indvar or unrecognized indvars... + if (IV != Cannonical && IV->InductionType != InductionVariable::Unknown) { Instruction *Val = IterCount; if (!isa<ConstantInt>(IV->Step) || // If the step != 1 !cast<ConstantInt>(IV->Step)->equalsInt(1)) { @@ -183,6 +184,8 @@ static bool TransformLoop(cfg::LoopInfo *Loops, cfg::Loop *Loop) { } bool InductionVariableSimplify::doit(Method *M) { + if (M->isExternal()) return false; + // Figure out the loop structure of the method... cfg::LoopInfo Loops(M); |