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[TI removal] Switch an analysis to just use Instruction.

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llvm-svn: 344713
This commit is contained in:
Chandler Carruth 2018-10-18 00:36:15 +00:00
parent 558c32a113
commit 0c9d261ae6
1 changed files with 5 additions and 5 deletions
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10
lib/Analysis/LegacyDivergenceAnalysis.cpp
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@ -93,7 +93,7 @@ private:
// A helper function that explores data dependents of V.
void exploreDataDependency(Value *V);
// A helper function that explores sync dependents of TI.
void exploreSyncDependency(TerminatorInst *TI);
void exploreSyncDependency(Instruction *TI);
// Computes the influence region from Start to End. This region includes all
// basic blocks on any simple path from Start to End.
void computeInfluenceRegion(BasicBlock *Start, BasicBlock *End,
@ -128,7 +128,7 @@ void DivergencePropagator::populateWithSourcesOfDivergence() {
}
}
void DivergencePropagator::exploreSyncDependency(TerminatorInst *TI) {
void DivergencePropagator::exploreSyncDependency(Instruction *TI) {
// Propagation rule 1: if branch TI is divergent, all PHINodes in TI's
// immediate post dominator are divergent. This rule handles if-then-else
// patterns. For example,
@ -252,11 +252,11 @@ void DivergencePropagator::propagate() {
while (!Worklist.empty()) {
Value *V = Worklist.back();
Worklist.pop_back();
if (TerminatorInst *TI = dyn_cast<TerminatorInst>(V)) {
if (Instruction *I = dyn_cast<Instruction>(V)) {
// Terminators with less than two successors won't introduce sync
// dependency. Ignore them.
if (TI->getNumSuccessors() > 1)
exploreSyncDependency(TI);
if (I->isTerminator() && I->getNumSuccessors() > 1)
exploreSyncDependency(I);
}
exploreDataDependency(V);
}