Propagate TargetLibraryInfo throughout ConstantFolding.cpp and
InstructionSimplify.cpp. Other fixups as needed.
Part of rdar://10500969
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/EarlyCSE.cpp b/lib/Transforms/Scalar/EarlyCSE.cpp
index c0223d2..5241e11 100644
--- a/lib/Transforms/Scalar/EarlyCSE.cpp
+++ b/lib/Transforms/Scalar/EarlyCSE.cpp
@@ -19,6 +19,7 @@
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/RecyclingAllocator.h"
@@ -215,6 +216,7 @@
class EarlyCSE : public FunctionPass {
public:
const TargetData *TD;
+ const TargetLibraryInfo *TLI;
DominatorTree *DT;
typedef RecyclingAllocator<BumpPtrAllocator,
ScopedHashTableVal<SimpleValue, Value*> > AllocatorTy;
@@ -263,6 +265,7 @@
// This transformation requires dominator postdominator info
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTree>();
+ AU.addRequired<TargetLibraryInfo>();
AU.setPreservesCFG();
}
};
@@ -277,6 +280,7 @@
INITIALIZE_PASS_BEGIN(EarlyCSE, "early-cse", "Early CSE", false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTree)
+INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfo)
INITIALIZE_PASS_END(EarlyCSE, "early-cse", "Early CSE", false, false)
bool EarlyCSE::processNode(DomTreeNode *Node) {
@@ -328,7 +332,7 @@
// If the instruction can be simplified (e.g. X+0 = X) then replace it with
// its simpler value.
- if (Value *V = SimplifyInstruction(Inst, TD, DT)) {
+ if (Value *V = SimplifyInstruction(Inst, TD, TLI, DT)) {
DEBUG(dbgs() << "EarlyCSE Simplify: " << *Inst << " to: " << *V << '\n');
Inst->replaceAllUsesWith(V);
Inst->eraseFromParent();
@@ -455,6 +459,7 @@
bool EarlyCSE::runOnFunction(Function &F) {
TD = getAnalysisIfAvailable<TargetData>();
+ TLI = &getAnalysis<TargetLibraryInfo>();
DT = &getAnalysis<DominatorTree>();
// Tables that the pass uses when walking the domtree.