diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/DwarfEHPrepare.cpp | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp index 57f45ec..01e60e3 100644 --- a/lib/CodeGen/DwarfEHPrepare.cpp +++ b/lib/CodeGen/DwarfEHPrepare.cpp @@ -112,26 +112,19 @@ namespace { bool FindSelectorAndURoR(Instruction *Inst, bool &URoRInvoke, SmallPtrSet<IntrinsicInst*, 8> &SelCalls); - /// DoMem2RegPromotion - Take an alloca call and promote it from memory to a - /// register. - bool DoMem2RegPromotion(Value *V) { - AllocaInst *AI = dyn_cast<AllocaInst>(V); + /// PromoteStoreInst - Perform Mem2Reg on a StoreInst. + bool PromoteStoreInst(StoreInst *SI) { + if (!SI || !DT || !DF) return false; + + AllocaInst *AI = dyn_cast<AllocaInst>(SI->getOperand(1)); if (!AI || !isAllocaPromotable(AI)) return false; - + // Turn the alloca into a register. std::vector<AllocaInst*> Allocas(1, AI); PromoteMemToReg(Allocas, *DT, *DF); return true; } - /// PromoteStoreInst - Perform Mem2Reg on a StoreInst. - bool PromoteStoreInst(StoreInst *SI) { - if (!SI || !DT || !DF) return false; - if (DoMem2RegPromotion(SI->getOperand(1))) - return true; - return false; - } - /// PromoteEHPtrStore - Promote the storing of an EH pointer into a /// register. This should get rid of the store and subsequent loads. bool PromoteEHPtrStore(IntrinsicInst *II) { |