diff options
author | Michael Bryman <mbryman@gmail.com> | 2019-03-26 11:30:01 -0400 |
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committer | Cristian Cadar <c.cadar@imperial.ac.uk> | 2019-08-14 22:17:49 +0100 |
commit | aa8e754262c347fa2988cf21635179ec03392cf3 (patch) | |
tree | eccaa5df7c9cceeaab9ae597e5b42128290d5d71 /lib/Module | |
parent | 0012e87b747dc9a46cec4ed5708e72afc1eb8d3c (diff) | |
download | klee-aa8e754262c347fa2988cf21635179ec03392cf3.tar.gz |
fixed bug in IntrinsicCleaner trap cleaner
Diffstat (limited to 'lib/Module')
-rw-r--r-- | lib/Module/IntrinsicCleaner.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Module/IntrinsicCleaner.cpp b/lib/Module/IntrinsicCleaner.cpp index e2ed3f39..19683ab4 100644 --- a/lib/Module/IntrinsicCleaner.cpp +++ b/lib/Module/IntrinsicCleaner.cpp @@ -207,6 +207,14 @@ bool IntrinsicCleanerPass::runOnBasicBlock(BasicBlock &b, Module &M) { ii->eraseFromParent(); + //check if the instruction after the one we just replaced is not the end of the basic block + //and if it is not (i.e. it is a valid instruction), delete it and all remaining + //because the cleaner just introduced a terminating instruction (unreachable) + //otherwise llvm will assert in Verifier::visitTerminatorInstr + while(i != ie){ // i was already incremented above. + (i++)->eraseFromParent(); + } + dirty = true; break; } |