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[CodeGenPrepare] Delete dead !DL check 

Follow-up for D73754

DL is assigned in CodeGenPrepare::runOnFunction and is guaranteed to be
non-null.
This commit is contained in:
Fangrui Song 2020-02-02 09:45:48 -08:00
parent 7cb5d96fbe
commit 44cdae68c3
1 changed files with 0 additions and 6 deletions
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6
llvm/lib/CodeGen/CodeGenPrepare.cpp
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@ -1811,9 +1811,6 @@ static bool despeculateCountZeros(IntrinsicInst *CountZeros,
const TargetLowering *TLI, const TargetLowering *TLI,
const DataLayout *DL, const DataLayout *DL,
bool &ModifiedDT) { bool &ModifiedDT) {
if (!DL)
return false;
// If a zero input is undefined, it doesn't make sense to despeculate that. // If a zero input is undefined, it doesn't make sense to despeculate that.
if (match(CountZeros->getOperand(1), m_One())) if (match(CountZeros->getOperand(1), m_One()))
return false; return false;
@ -6344,9 +6341,6 @@ bool CodeGenPrepare::tryToSinkFreeOperands(Instruction *I) {
} }
bool CodeGenPrepare::optimizeSwitchInst(SwitchInst *SI) { bool CodeGenPrepare::optimizeSwitchInst(SwitchInst *SI) {
if (!DL)
return false;
Value *Cond = SI->getCondition(); Value *Cond = SI->getCondition();
Type *OldType = Cond->getType(); Type *OldType = Cond->getType();
LLVMContext &Context = Cond->getContext(); LLVMContext &Context = Cond->getContext();