diff options
| author | Michael Ilseman <milseman@apple.com> | 2014-12-12 21:48:03 +0000 |
|---|---|---|
| committer | Michael Ilseman <milseman@apple.com> | 2014-12-12 21:48:03 +0000 |
| commit | 5be22a12c2fdb4e13ead4b2e8a8a68f07fb1f270 (patch) | |
| tree | d32cd1ee5853b7b127f7bc8acbb58e753c5feccd /llvm/utils/TableGen/CodeGenDAGPatterns.cpp | |
| parent | 90482a77b114ba612951233d90f0173d7b7d04a6 (diff) | |
| download | bcm5719-llvm-5be22a12c2fdb4e13ead4b2e8a8a68f07fb1f270.tar.gz bcm5719-llvm-5be22a12c2fdb4e13ead4b2e8a8a68f07fb1f270.zip | |
Clean up static analyzer warnings.
Clang's static analyzer found several potential cases of undefined
behavior, use of un-initialized values, and potentially null pointer
dereferences in tablegen, Support, MC, and ADT. This cleans them up
with specific assertions on the assumptions of the code.
llvm-svn: 224154
Diffstat (limited to 'llvm/utils/TableGen/CodeGenDAGPatterns.cpp')
| -rw-r--r-- | llvm/utils/TableGen/CodeGenDAGPatterns.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp index 8b90d16d731..c3de37e9453 100644 --- a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp +++ b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp @@ -2569,8 +2569,10 @@ FindPatternInputsAndOutputs(TreePattern *I, TreePatternNode *Pat, I->error("set destination should be a register!"); DefInit *Val = dyn_cast<DefInit>(Dest->getLeafValue()); - if (!Val) + if (!Val) { I->error("set destination should be a register!"); + continue; + } if (Val->getDef()->isSubClassOf("RegisterClass") || Val->getDef()->isSubClassOf("ValueType") || |
