diff options
Diffstat (limited to 'lib/Transforms/Scalar/LICM.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LICM.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp index bdf7dee..e8b543b 100644 --- a/lib/Transforms/Scalar/LICM.cpp +++ b/lib/Transforms/Scalar/LICM.cpp @@ -475,6 +475,8 @@ void LICM::sink(Instruction &I) { ++NumSunk; Changed = true; + LLVMContext &Context = I.getContext(); + // The case where there is only a single exit node of this loop is common // enough that we handle it as a special (more efficient) case. It is more // efficient to handle because there are no PHI nodes that need to be placed. @@ -483,7 +485,7 @@ void LICM::sink(Instruction &I) { // Instruction is not used, just delete it. CurAST->deleteValue(&I); if (!I.use_empty()) // If I has users in unreachable blocks, eliminate. - I.replaceAllUsesWith(Context->getUndef(I.getType())); + I.replaceAllUsesWith(Context.getUndef(I.getType())); I.eraseFromParent(); } else { // Move the instruction to the start of the exit block, after any PHI @@ -497,7 +499,7 @@ void LICM::sink(Instruction &I) { // The instruction is actually dead if there ARE NO exit blocks. CurAST->deleteValue(&I); if (!I.use_empty()) // If I has users in unreachable blocks, eliminate. - I.replaceAllUsesWith(Context->getUndef(I.getType())); + I.replaceAllUsesWith(Context.getUndef(I.getType())); I.eraseFromParent(); } else { // Otherwise, if we have multiple exits, use the PromoteMem2Reg function to @@ -570,7 +572,7 @@ void LICM::sink(Instruction &I) { ExitBlock->getInstList().insert(InsertPt, &I); New = &I; } else { - New = I.clone(*Context); + New = I.clone(Context); CurAST->copyValue(&I, New); if (!I.getName().empty()) New->setName(I.getName()+".le"); @@ -768,7 +770,7 @@ void LICM::PromoteValuesInLoop() { PromotedAllocas.reserve(PromotedValues.size()); for (unsigned i = 0, e = PromotedValues.size(); i != e; ++i) PromotedAllocas.push_back(PromotedValues[i].first); - PromoteMemToReg(PromotedAllocas, *DT, *DF, Context, CurAST); + PromoteMemToReg(PromotedAllocas, *DT, *DF, Preheader->getContext(), CurAST); } /// FindPromotableValuesInLoop - Check the current loop for stores to definite |