diff options
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index 544f9985446..4335f10117e 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -2032,7 +2032,9 @@ bool CodeGenPrepare::dupRetToEnableTailCallOpts(BasicBlock *BB, bool &ModifiedDT SmallVector<CallInst*, 4> TailCalls; if (PN) { for (unsigned I = 0, E = PN->getNumIncomingValues(); I != E; ++I) { - CallInst *CI = dyn_cast<CallInst>(PN->getIncomingValue(I)); + // Look through bitcasts. + Value *IncomingVal = PN->getIncomingValue(I)->stripPointerCasts(); + CallInst *CI = dyn_cast<CallInst>(IncomingVal); // Make sure the phi value is indeed produced by the tail call. if (CI && CI->hasOneUse() && CI->getParent() == PN->getIncomingBlock(I) && TLI->mayBeEmittedAsTailCall(CI) && |
