diff options
author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-06-26 04:55:30 +0000 |
---|---|---|
committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-06-26 04:55:30 +0000 |
commit | 4c6d1eea8e09a64d82c3093017fe3712eb2eb34b (patch) | |
tree | 951c35cac82a44c00d4b499d3c956427d82ad5b6 | |
parent | 7ed3ae5d6d9afc4a5b8522fc26dd8e3c51d586e5 (diff) |
[RSForGC] Bring computeLiveOutSeed up to code; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273798 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Transforms/Scalar/RewriteStatepointsForGC.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp b/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp index f7aa7723af6..ccb3bbbc659 100644 --- a/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp +++ b/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp @@ -2408,17 +2408,17 @@ static void computeLiveInValues(BasicBlock::reverse_iterator rbegin, } static void computeLiveOutSeed(BasicBlock *BB, SetVector<Value *> &LiveTmp) { - for (BasicBlock *Succ : successors(BB)) { - const BasicBlock::iterator E(Succ->getFirstNonPHI()); - for (BasicBlock::iterator I = Succ->begin(); I != E; I++) { - PHINode *Phi = cast<PHINode>(&*I); - Value *V = Phi->getIncomingValueForBlock(BB); + for (auto &I : *Succ) { + PHINode *PN = dyn_cast<PHINode>(&I); + if (!PN) + break; + + Value *V = PN->getIncomingValueForBlock(BB); assert(!isUnhandledGCPointerType(V->getType()) && "support for FCA unimplemented"); - if (isHandledGCPointerType(V->getType()) && !isa<Constant>(V)) { + if (isHandledGCPointerType(V->getType()) && !isa<Constant>(V)) LiveTmp.insert(V); - } } } } |