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-rw-r--r--contrib/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp16
1 files changed, 10 insertions, 6 deletions
diff --git a/contrib/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/contrib/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index 13f0a28..c0de193 100644
--- a/contrib/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/contrib/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -69,11 +69,12 @@ bool llvm::isAllocaPromotable(const AllocaInst *AI) {
// Only allow direct and non-volatile loads and stores...
for (Value::const_use_iterator UI = AI->use_begin(), UE = AI->use_end();
- UI != UE; ++UI) // Loop over all of the uses of the alloca
- if (const LoadInst *LI = dyn_cast<LoadInst>(*UI)) {
+ UI != UE; ++UI) { // Loop over all of the uses of the alloca
+ const User *U = *UI;
+ if (const LoadInst *LI = dyn_cast<LoadInst>(U)) {
if (LI->isVolatile())
return false;
- } else if (const StoreInst *SI = dyn_cast<StoreInst>(*UI)) {
+ } else if (const StoreInst *SI = dyn_cast<StoreInst>(U)) {
if (SI->getOperand(0) == AI)
return false; // Don't allow a store OF the AI, only INTO the AI.
if (SI->isVolatile())
@@ -81,6 +82,7 @@ bool llvm::isAllocaPromotable(const AllocaInst *AI) {
} else {
return false;
}
+ }
return true;
}
@@ -603,9 +605,8 @@ ComputeLiveInBlocks(AllocaInst *AI, AllocaInfo &Info,
// To determine liveness, we must iterate through the predecessors of blocks
// where the def is live. Blocks are added to the worklist if we need to
// check their predecessors. Start with all the using blocks.
- SmallVector<BasicBlock*, 64> LiveInBlockWorklist;
- LiveInBlockWorklist.insert(LiveInBlockWorklist.end(),
- Info.UsingBlocks.begin(), Info.UsingBlocks.end());
+ SmallVector<BasicBlock*, 64> LiveInBlockWorklist(Info.UsingBlocks.begin(),
+ Info.UsingBlocks.end());
// If any of the using blocks is also a definition block, check to see if the
// definition occurs before or after the use. If it happens before the use,
@@ -897,6 +898,9 @@ void PromoteMem2Reg::ConvertDebugDeclareToDebugValue(DbgDeclareInst *DDI,
// Propagate any debug metadata from the store onto the dbg.value.
if (MDNode *SIMD = SI->getMetadata("dbg"))
DbgVal->setMetadata("dbg", SIMD);
+ // Otherwise propagate debug metadata from dbg.declare.
+ else if (MDNode *MD = DDI->getMetadata("dbg"))
+ DbgVal->setMetadata("dbg", MD);
}
// QueuePhiNode - queues a phi-node to be added to a basic-block for a specific
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