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-rw-r--r--lib/Transforms/Scalar/JumpThreading.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index f410af3..c558180 100644
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -24,6 +24,7 @@
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/SSAUpdater.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/Statistic.h"
@@ -75,6 +76,7 @@ namespace {
///
class JumpThreading : public FunctionPass {
TargetData *TD;
+ TargetLibraryInfo *TLI;
LazyValueInfo *LVI;
#ifdef NDEBUG
SmallPtrSet<BasicBlock*, 16> LoopHeaders;
@@ -107,6 +109,7 @@ namespace {
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<LazyValueInfo>();
AU.addPreserved<LazyValueInfo>();
+ AU.addRequired<TargetLibraryInfo>();
}
void FindLoopHeaders(Function &F);
@@ -133,6 +136,7 @@ char JumpThreading::ID = 0;
INITIALIZE_PASS_BEGIN(JumpThreading, "jump-threading",
"Jump Threading", false, false)
INITIALIZE_PASS_DEPENDENCY(LazyValueInfo)
+INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfo)
INITIALIZE_PASS_END(JumpThreading, "jump-threading",
"Jump Threading", false, false)
@@ -144,6 +148,7 @@ FunctionPass *llvm::createJumpThreadingPass() { return new JumpThreading(); }
bool JumpThreading::runOnFunction(Function &F) {
DEBUG(dbgs() << "Jump threading on function '" << F.getName() << "'\n");
TD = getAnalysisIfAvailable<TargetData>();
+ TLI = &getAnalysis<TargetLibraryInfo>();
LVI = &getAnalysis<LazyValueInfo>();
FindLoopHeaders(F);
@@ -674,7 +679,7 @@ 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, TD);
+ Value *SimpleVal = ConstantFoldInstruction(I, TD, TLI);
if (SimpleVal) {
I->replaceAllUsesWith(SimpleVal);
I->eraseFromParent();