diff options
Diffstat (limited to 'lib/Transforms/Utils/InlineFunction.cpp')
-rw-r--r-- | lib/Transforms/Utils/InlineFunction.cpp | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp index 5c1564b0ed..8edf9d071b 100644 --- a/lib/Transforms/Utils/InlineFunction.cpp +++ b/lib/Transforms/Utils/InlineFunction.cpp @@ -73,7 +73,7 @@ bool llvm::InlineFunction(CallSite CS) { // Clone the entire body of the callee into the caller. CloneFunctionInto(Caller, CalledFunc, ValueMap, Returns, ".i"); } - + // Remember the first block that is newly cloned over. Function::iterator FirstNewBlock = LastBlock; ++FirstNewBlock; @@ -84,14 +84,21 @@ bool llvm::InlineFunction(CallSite CS) { // if (isa<AllocaInst>(FirstNewBlock->begin())) { BasicBlock::iterator InsertPoint = Caller->begin()->begin(); - while (isa<AllocaInst>(InsertPoint)) ++InsertPoint; - for (BasicBlock::iterator I = FirstNewBlock->begin(), E = FirstNewBlock->end(); I != E; ) if (AllocaInst *AI = dyn_cast<AllocaInst>(I++)) if (isa<Constant>(AI->getArraySize())) { - FirstNewBlock->getInstList().remove(AI); - Caller->front().getInstList().insert(InsertPoint, AI); + // Scan for the block of allocas that we can move over. + while (isa<AllocaInst>(I) && + isa<Constant>(cast<AllocaInst>(I)->getArraySize())) + ++I; + + // Transfer all of the allocas over in a block. Using splice means + // that they instructions aren't removed from the symbol table, then + // reinserted. + Caller->front().getInstList().splice(InsertPoint, + FirstNewBlock->getInstList(), + AI, I); } } |