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[NFC][LICM] Make hoist method void

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Method hoist always returns true. This patch makes it void.

Differential Revision: https://reviews.llvm.org/D50696
Reviewed By: hiraditya

llvm-svn: 339750
This commit is contained in:
Max Kazantsev 2018-08-15 02:49:12 +00:00
parent a465308b35
commit 285ffd96c9
1 changed files with 4 additions and 4 deletions
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8
lib/Transforms/Scalar/LICM.cpp
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@ -93,7 +93,7 @@ static bool inSubLoop(BasicBlock *BB, Loop *CurLoop, LoopInfo *LI);
static bool isNotUsedOrFreeInLoop(const Instruction &I, const Loop *CurLoop,
const LoopSafetyInfo *SafetyInfo,
TargetTransformInfo *TTI, bool &FreeInLoop);
static bool hoist(Instruction &I, const DominatorTree *DT, const Loop *CurLoop,
static void hoist(Instruction &I, const DominatorTree *DT, const Loop *CurLoop,
const LoopSafetyInfo *SafetyInfo,
OptimizationRemarkEmitter *ORE);
static bool sink(Instruction &I, LoopInfo *LI, DominatorTree *DT,
@ -487,7 +487,8 @@ bool llvm::hoistRegion(DomTreeNode *N, AliasAnalysis *AA, LoopInfo *LI,
isSafeToExecuteUnconditionally(
I, DT, CurLoop, SafetyInfo, ORE,
CurLoop->getLoopPreheader()->getTerminator()))) {
Changed |= hoist(I, DT, CurLoop, SafetyInfo, ORE);
hoist(I, DT, CurLoop, SafetyInfo, ORE);
Changed = true;
continue;
}
@ -1063,7 +1064,7 @@ static bool sink(Instruction &I, LoopInfo *LI, DominatorTree *DT,
/// When an instruction is found to only use loop invariant operands that
/// is safe to hoist, this instruction is called to do the dirty work.
///
static bool hoist(Instruction &I, const DominatorTree *DT, const Loop *CurLoop,
static void hoist(Instruction &I, const DominatorTree *DT, const Loop *CurLoop,
const LoopSafetyInfo *SafetyInfo,
OptimizationRemarkEmitter *ORE) {
auto *Preheader = CurLoop->getLoopPreheader();
@ -1101,7 +1102,6 @@ static bool hoist(Instruction &I, const DominatorTree *DT, const Loop *CurLoop,
else if (isa<CallInst>(I))
++NumMovedCalls;
++NumHoisted;
return true;
}
/// Only sink or hoist an instruction if it is not a trapping instruction,