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Simplify. Consolidate dbg.declare handling in AllocaPromoter.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134538 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2011-07-06 21:09:55 +00:00
parent 17f91d21a7
commit 231a5ab746
4 changed files with 27 additions and 29 deletions
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14
lib/Transforms/Utils/SSAUpdater.cpp
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@ -16,7 +16,6 @@
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Analysis/DIBuilder.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Support/AlignOf.h"
#include "llvm/Support/Allocator.h"
@ -358,8 +357,7 @@ Value *SSAUpdater::GetValueAtEndOfBlockInternal(BasicBlock *BB) {
LoadAndStorePromoter::
LoadAndStorePromoter(const SmallVectorImpl<Instruction*> &Insts,
SSAUpdater &S, DbgDeclareInst *DD, DIBuilder *DB,
StringRef BaseName) : SSA(S), DDI(DD), DIB(DB) {
SSAUpdater &S, StringRef BaseName) : SSA(S) {
if (Insts.empty()) return;
Value *SomeVal;
@ -407,8 +405,7 @@ run(const SmallVectorImpl<Instruction*> &Insts) const {
if (BlockUses.size() == 1) {
// If it is a store, it is a trivial def of the value in the block.
if (StoreInst *SI = dyn_cast<StoreInst>(User)) {
if (DDI)
ConvertDebugDeclareToDebugValue(DDI, SI, *DIB);
updateDebugInfo(SI);
SSA.AddAvailableValue(BB, SI->getOperand(0));
} else
// Otherwise it is a load, queue it to rewrite as a live-in load.
@ -462,9 +459,7 @@ run(const SmallVectorImpl<Instruction*> &Insts) const {
if (StoreInst *SI = dyn_cast<StoreInst>(II)) {
// If this is a store to an unrelated pointer, ignore it.
if (!isInstInList(SI, Insts)) continue;
if (DDI)
ConvertDebugDeclareToDebugValue(DDI, SI, *DIB);
updateDebugInfo(SI);
// Remember that this is the active value in the block.
StoredValue = SI->getOperand(0);
@ -522,7 +517,4 @@ run(const SmallVectorImpl<Instruction*> &Insts) const {
instructionDeleted(User);
User->eraseFromParent();
}
if (DDI)
DDI->eraseFromParent();
}