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| author | Peter Collingbourne <peter@pcc.me.uk> | 2013-08-09 21:42:53 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2013-08-09 21:42:53 +0000 |
| commit | aaae6e9cb8c8567409739d7cde1c5caaf35810cf (patch) | |
| tree | 9b8ee6633384a23a5fa3520a9032a5b8d524dbd8 /lib/Transforms/Instrumentation/DataFlowSanitizer.cpp | |
| parent | ea549f0e12f367f5d0996a4bca441e64801b1e6e (diff) | |
| download | external_llvm-aaae6e9cb8c8567409739d7cde1c5caaf35810cf.zip external_llvm-aaae6e9cb8c8567409739d7cde1c5caaf35810cf.tar.gz external_llvm-aaae6e9cb8c8567409739d7cde1c5caaf35810cf.tar.bz2 | |
DataFlowSanitizer: Remove unreachable BBs so IR continues to verify
under the args ABI.
Differential Revision: http://llvm-reviews.chandlerc.com/D1316
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188113 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Instrumentation/DataFlowSanitizer.cpp')
| -rw-r--r-- | lib/Transforms/Instrumentation/DataFlowSanitizer.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp index 5e6313a..0bbbfef 100644 --- a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp +++ b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp @@ -59,6 +59,7 @@ #include "llvm/Pass.h" #include "llvm/Support/CommandLine.h" #include "llvm/Transforms/Utils/BasicBlockUtils.h" +#include "llvm/Transforms/Utils/Local.h" #include "llvm/Transforms/Utils/SpecialCaseList.h" #include <iterator> @@ -402,6 +403,8 @@ bool DataFlowSanitizer::runOnModule(Module &M) { if ((*i)->isDeclaration()) continue; + removeUnreachableBlocks(**i); + DFSanFunction DFSF(*this, *i); // DFSanVisitor may create new basic blocks, which confuses df_iterator. |