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-rw-r--r--llvm/lib/Transforms/Scalar/JumpThreading.cpp12
1 files changed, 6 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
index db4174d7083..f6e43f26f99 100644
--- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
@@ -78,7 +78,6 @@ namespace {
/// revectored to the false side of the second if.
///
class JumpThreading : public FunctionPass {
- const DataLayout *DL;
TargetLibraryInfo *TLI;
LazyValueInfo *LVI;
#ifdef NDEBUG
@@ -159,7 +158,6 @@ bool JumpThreading::runOnFunction(Function &F) {
return false;
DEBUG(dbgs() << "Jump threading on function '" << F.getName() << "'\n");
- DL = &F.getParent()->getDataLayout();
TLI = &getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();
LVI = &getAnalysis<LazyValueInfo>();
@@ -504,6 +502,7 @@ ComputeValueKnownInPredecessors(Value *V, BasicBlock *BB, PredValueInfo &Result,
assert(Preference == WantInteger && "Compares only produce integers");
PHINode *PN = dyn_cast<PHINode>(Cmp->getOperand(0));
if (PN && PN->getParent() == BB) {
+ const DataLayout &DL = PN->getModule()->getDataLayout();
// We can do this simplification if any comparisons fold to true or false.
// See if any do.
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {
@@ -708,7 +707,8 @@ bool JumpThreading::ProcessBlock(BasicBlock *BB) {
// Run constant folding to see if we can reduce the condition to a simple
// constant.
if (Instruction *I = dyn_cast<Instruction>(Condition)) {
- Value *SimpleVal = ConstantFoldInstruction(I, DL, TLI);
+ Value *SimpleVal =
+ ConstantFoldInstruction(I, BB->getModule()->getDataLayout(), TLI);
if (SimpleVal) {
I->replaceAllUsesWith(SimpleVal);
I->eraseFromParent();
@@ -1520,7 +1520,7 @@ bool JumpThreading::ThreadEdge(BasicBlock *BB,
// At this point, the IR is fully up to date and consistent. Do a quick scan
// over the new instructions and zap any that are constants or dead. This
// frequently happens because of phi translation.
- SimplifyInstructionsInBlock(NewBB, DL, TLI);
+ SimplifyInstructionsInBlock(NewBB, TLI);
// Threaded an edge!
++NumThreads;
@@ -1585,7 +1585,6 @@ bool JumpThreading::DuplicateCondBranchOnPHIIntoPred(BasicBlock *BB,
BasicBlock::iterator BI = BB->begin();
for (; PHINode *PN = dyn_cast<PHINode>(BI); ++BI)
ValueMapping[PN] = PN->getIncomingValueForBlock(PredBB);
-
// Clone the non-phi instructions of BB into PredBB, keeping track of the
// mapping and using it to remap operands in the cloned instructions.
for (; BI != BB->end(); ++BI) {
@@ -1602,7 +1601,8 @@ bool JumpThreading::DuplicateCondBranchOnPHIIntoPred(BasicBlock *BB,
// If this instruction can be simplified after the operands are updated,
// just use the simplified value instead. This frequently happens due to
// phi translation.
- if (Value *IV = SimplifyInstruction(New, DL)) {
+ if (Value *IV =
+ SimplifyInstruction(New, BB->getModule()->getDataLayout())) {
delete New;
ValueMapping[BI] = IV;
} else {
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