[Sink] Don't move landingpads
Summary: Moving landingpads into successor basic blocks makes the
verifier sad. Teach Sink that much like PHI nodes and terminator
instructions, landingpads (and cleanuppads, etc.) may not be moved
between basic blocks.
Reviewers: majnemer
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D14475
llvm-svn: 253182
diff --git a/llvm/lib/Transforms/Scalar/Sink.cpp b/llvm/lib/Transforms/Scalar/Sink.cpp
index f6ccd99..7c0ac7a 100644
--- a/llvm/lib/Transforms/Scalar/Sink.cpp
+++ b/llvm/lib/Transforms/Scalar/Sink.cpp
@@ -169,7 +169,7 @@
return false;
}
- if (isa<TerminatorInst>(Inst) || isa<PHINode>(Inst))
+ if (isa<TerminatorInst>(Inst) || isa<PHINode>(Inst) || Inst->isEHPad())
return false;
// Convergent operations cannot be made control-dependent on additional