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authorChris Lattner <sabre@nondot.org>2009-10-29 01:21:20 +0000
committerChris Lattner <sabre@nondot.org>2009-10-29 01:21:20 +0000
commitee8b951e73a9580ada11725ccd2e4f49e758b34f (patch)
tree09cde592fd25f78f27a784961ca8038ed2aeb2f8 /llvm/lib/Transforms/Utils/ValueMapper.cpp
parent29fb551a36dda8f60293908a63f100dd2561f126 (diff)
downloadbcm5719-llvm-ee8b951e73a9580ada11725ccd2e4f49e758b34f.tar.gz
bcm5719-llvm-ee8b951e73a9580ada11725ccd2e4f49e758b34f.zip
teach various passes about blockaddress. We no longer
crash on any clang tests. llvm-svn: 85465
Diffstat (limited to 'llvm/lib/Transforms/Utils/ValueMapper.cpp')
-rw-r--r--llvm/lib/Transforms/Utils/ValueMapper.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/ValueMapper.cpp b/llvm/lib/Transforms/Utils/ValueMapper.cpp
index 21126c94aef..39331d78169 100644
--- a/llvm/lib/Transforms/Utils/ValueMapper.cpp
+++ b/llvm/lib/Transforms/Utils/ValueMapper.cpp
@@ -113,8 +113,8 @@ Value *llvm::MapValue(const Value *V, ValueMapTy &VM) {
if (BlockAddress *BA = dyn_cast<BlockAddress>(C)) {
Function *F = cast<Function>(MapValue(BA->getFunction(), VM));
- BasicBlock *BB = cast<BasicBlock>(MapValue(BA->getBasicBlock(), VM));
- return VM[V] = BlockAddress::get(F, BB);
+ BasicBlock *BB = cast_or_null<BasicBlock>(MapValue(BA->getBasicBlock(),VM));
+ return VM[V] = BlockAddress::get(F, BB ? BB : BA->getBasicBlock());
}
llvm_unreachable("Unknown type of constant!");
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