[LICM][NFC] Fix typo
fixed some typos which may lead to misunderstandings in LICM.cpp
Reviewed By: nikic, asbirlea
Differential Revision: https://reviews.llvm.org/D100470
GitOrigin-RevId: f8cf3b9931a22890a656ca13d51fea123b9134e4
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp
index 0692e4c..a63318b 100644
--- a/lib/Transforms/Scalar/LICM.cpp
+++ b/lib/Transforms/Scalar/LICM.cpp
@@ -558,8 +558,8 @@
for (BasicBlock::iterator II = BB->end(); II != BB->begin();) {
Instruction &I = *--II;
- // If the instruction is dead, we would try to sink it because it isn't
- // used in the loop, instead, just delete it.
+ // The instruction is not used in the loop if it is dead. In this case,
+ // we just delete it instead of sinking it.
if (isInstructionTriviallyDead(&I, TLI)) {
LLVM_DEBUG(dbgs() << "LICM deleting dead inst: " << I << '\n');
salvageKnowledge(&I);
@@ -1126,7 +1126,7 @@
isa<InsertValueInst>(I) || isa<FreezeInst>(I));
}
/// Return true if all of the alias sets within this AST are known not to
-/// contain a Mod, or if MSSA knows thare are no MemoryDefs in the loop.
+/// contain a Mod, or if MSSA knows there are no MemoryDefs in the loop.
bool isReadOnly(AliasSetTracker *CurAST, const MemorySSAUpdater *MSSAU,
const Loop *L) {
if (CurAST) {
@@ -1355,7 +1355,7 @@
}
// Any call, while it may not be clobbering SI, it may be a use.
if (auto *CI = dyn_cast<CallInst>(MD->getMemoryInst())) {
- // Check if the call may read from the memory locattion written
+ // Check if the call may read from the memory location written
// to by SI. Check CI's attributes and arguments; the number of
// such checks performed is limited above by NoOfMemAccTooLarge.
ModRefInfo MRI = AA->getModRefInfo(CI, MemoryLocation::get(SI));
@@ -2097,7 +2097,7 @@
// Note that proving a load safe to speculate requires proving
// sufficient alignment at the target location. Proving it guaranteed
// to execute does as well. Thus we can increase our guaranteed
- // alignment as well.
+ // alignment as well.
if (!DereferenceableInPH || (InstAlignment > Alignment))
if (isSafeToExecuteUnconditionally(*Load, DT, TLI, CurLoop,
SafetyInfo, ORE,
