Constify a bunch of SCEV-using code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index b940665..50603d9 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -321,7 +321,7 @@
// for a nested AddRecExpr.
if (const SCEVAddExpr *AE = dyn_cast<SCEVAddExpr>(SH)) {
for (unsigned i = 0, e = AE->getNumOperands(); i != e; ++i)
- if (SCEVAddRecExpr *AddRec =
+ if (const SCEVAddRecExpr *AddRec =
dyn_cast<SCEVAddRecExpr>(AE->getOperand(i))) {
if (AddRec->getLoop() == L)
TheAddRec = SE->getAddExpr(AddRec, TheAddRec);
@@ -1400,8 +1400,8 @@
// Iterate through the uses to find conditions that automatically rule out
// full-lsr mode.
for (unsigned i = 0, e = UsersToProcess.size(); i != e; ) {
- SCEV *Base = UsersToProcess[i].Base;
- SCEV *Imm = UsersToProcess[i].Imm;
+ const SCEV *Base = UsersToProcess[i].Base;
+ const SCEV *Imm = UsersToProcess[i].Imm;
// If any users have a loop-variant component, they can't be fully
// strength-reduced.
if (Imm && !Imm->isLoopInvariant(L))
@@ -1410,7 +1410,7 @@
// the two Imm values can't be folded into the address, full
// strength reduction would increase register pressure.
do {
- SCEV *CurImm = UsersToProcess[i].Imm;
+ const SCEV *CurImm = UsersToProcess[i].Imm;
if ((CurImm || Imm) && CurImm != Imm) {
if (!CurImm) CurImm = SE->getIntegerSCEV(0, Stride->getType());
if (!Imm) Imm = SE->getIntegerSCEV(0, Stride->getType());