#include "llvm/Function.h"
#include "llvm/Instructions.h"
#include "llvm/Pass.h"
+#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LazyValueInfo.h"
#include "llvm/Support/CFG.h"
#include "llvm/Transforms/Utils/Local.h"
P->setIncomingValue(i, C);
Changed = true;
}
-
- if (Value *ConstVal = P->hasConstantValue()) {
- P->replaceAllUsesWith(ConstVal);
+
+ if (Value *V = SimplifyInstruction(P)) {
+ P->replaceAllUsesWith(V);
P->eraseFromParent();
Changed = true;
}
-
+
++NumPhis;
return Changed;
#include "llvm/Pass.h"
#include "llvm/Analysis/CaptureTracking.h"
#include "llvm/Analysis/InlineCost.h"
+#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/Loads.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/CFG.h"
PHINode *PN = ArgumentPHIs[i];
// If the PHI Node is a dynamic constant, replace it with the value it is.
- if (Value *PNV = PN->hasConstantValue()) {
+ if (Value *PNV = SimplifyInstruction(PN)) {
PN->replaceAllUsesWith(PNV);
PN->eraseFromParent();
}
#include "llvm/LLVMContext.h"
#include "llvm/Type.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/Dominators.h"
+#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopPass.h"
+#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Support/CFG.h"
PHINode *PN;
for (BasicBlock::iterator I = L->getHeader()->begin();
(PN = dyn_cast<PHINode>(I++)); )
- if (Value *V = PN->hasConstantValue(DT)) {
+ if (Value *V = SimplifyInstruction(PN, 0, DT)) {
if (AA) AA->deleteValue(PN);
PN->replaceAllUsesWith(V);
PN->eraseFromParent();
for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ) {
PHINode *PN = cast<PHINode>(I);
++I;
- if (Value *V = PN->hasConstantValue(DT)) {
+ if (Value *V = SimplifyInstruction(PN, 0, DT)) {
// This is a degenerate PHI already, don't modify it!
PN->replaceAllUsesWith(V);
if (AA) AA->deleteValue(PN);
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Metadata.h"
+#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Analysis/Dominators.h"
-#include "llvm/Analysis/AliasSetTracker.h"
+#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
for (DenseMap<std::pair<BasicBlock*, unsigned>, PHINode*>::iterator I =
NewPhiNodes.begin(), E = NewPhiNodes.end(); I != E;) {
PHINode *PN = I->second;
-
+
// If this PHI node merges one value and/or undefs, get the value.
- if (Value *V = PN->hasConstantValue(&DT)) {
+ if (Value *V = SimplifyInstruction(PN, 0, &DT)) {
if (AST && PN->getType()->isPointerTy())
AST->deleteValue(PN);
PN->replaceAllUsesWith(V);
#define DEBUG_TYPE "ssaupdater"
#include "llvm/Instructions.h"
#include "llvm/ADT/DenseMap.h"
+#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Support/AlignOf.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/CFG.h"
// See if the PHI node can be merged to a single value. This can happen in
// loop cases when we get a PHI of itself and one other value.
- if (Value *ConstVal = InsertedPHI->hasConstantValue()) {
+ if (Value *V = SimplifyInstruction(InsertedPHI)) {
InsertedPHI->eraseFromParent();
- return ConstVal;
+ return V;
}
// If the client wants to know about all new instructions, tell it.