summaryrefslogtreecommitdiffstats
path: root/contrib/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp')
-rw-r--r--contrib/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp22
1 files changed, 11 insertions, 11 deletions
diff --git a/contrib/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp b/contrib/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
index c908b4a..8e82a02 100644
--- a/contrib/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
+++ b/contrib/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
@@ -35,7 +35,7 @@ AllocaInst* llvm::DemoteRegToStack(Instruction &I, bool VolatileLoads,
I.eraseFromParent();
return 0;
}
-
+
// Create a stack slot to hold the value.
AllocaInst *Slot;
if (AllocaPoint) {
@@ -46,7 +46,7 @@ AllocaInst* llvm::DemoteRegToStack(Instruction &I, bool VolatileLoads,
Slot = new AllocaInst(I.getType(), 0, I.getName()+".reg2mem",
F->getEntryBlock().begin());
}
-
+
// Change all of the users of the instruction to read from the stack slot
// instead.
while (!I.use_empty()) {
@@ -67,7 +67,7 @@ AllocaInst* llvm::DemoteRegToStack(Instruction &I, bool VolatileLoads,
Value *&V = Loads[PN->getIncomingBlock(i)];
if (V == 0) {
// Insert the load into the predecessor block
- V = new LoadInst(Slot, I.getName()+".reload", VolatileLoads,
+ V = new LoadInst(Slot, I.getName()+".reload", VolatileLoads,
PN->getIncomingBlock(i)->getTerminator());
}
PN->setIncomingValue(i, V);
@@ -110,8 +110,8 @@ AllocaInst* llvm::DemoteRegToStack(Instruction &I, bool VolatileLoads,
/// The phi node is deleted and it returns the pointer to the alloca inserted.
AllocaInst* llvm::DemotePHIToStack(PHINode *P, Instruction *AllocaPoint) {
if (P->use_empty()) {
- P->eraseFromParent();
- return 0;
+ P->eraseFromParent();
+ return 0;
}
// Create a stack slot to hold the value.
@@ -124,23 +124,23 @@ AllocaInst* llvm::DemotePHIToStack(PHINode *P, Instruction *AllocaPoint) {
Slot = new AllocaInst(P->getType(), 0, P->getName()+".reg2mem",
F->getEntryBlock().begin());
}
-
+
// Iterate over each operand, insert store in each predecessor.
for (unsigned i = 0, e = P->getNumIncomingValues(); i < e; ++i) {
if (InvokeInst *II = dyn_cast<InvokeInst>(P->getIncomingValue(i))) {
- assert(II->getParent() != P->getIncomingBlock(i) &&
+ assert(II->getParent() != P->getIncomingBlock(i) &&
"Invoke edge not supported yet"); II=II;
}
- new StoreInst(P->getIncomingValue(i), Slot,
+ new StoreInst(P->getIncomingValue(i), Slot,
P->getIncomingBlock(i)->getTerminator());
}
-
+
// Insert load in place of the phi and replace all uses.
Value *V = new LoadInst(Slot, P->getName()+".reload", P);
P->replaceAllUsesWith(V);
-
+
// Delete phi.
P->eraseFromParent();
-
+
return Slot;
}
OpenPOWER on IntegriCloud