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-rw-r--r--llvm/lib/Transforms/IPO/Attributor.cpp10
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index 9fdfed8dbed..3d6a2c6f94f 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -2576,23 +2576,23 @@ static bool
identifyAliveSuccessors(Attributor &A, const SwitchInst &SI,
AbstractAttribute &AA,
SmallVectorImpl<const Instruction *> &AliveSuccessors) {
- bool UsedAssumedInformation = false;
- Optional<ConstantInt *> CI = getAssumedConstant(A, *SI.getCondition(), AA);
+ Optional<ConstantInt *> CI = getAssumedConstant(A, *SI.getCondition(), AA);
if (!CI.hasValue()) {
// No value yet, assume all edges are dead.
} else if (CI.getValue()) {
for (auto &CaseIt : SI.cases()) {
if (CaseIt.getCaseValue() == CI.getValue()) {
AliveSuccessors.push_back(&CaseIt.getCaseSuccessor()->front());
- UsedAssumedInformation = true;
- break;
+ return true;
}
}
+ AliveSuccessors.push_back(&SI.getDefaultDest()->front());
+ return true;
} else {
for (const BasicBlock *SuccBB : successors(SI.getParent()))
AliveSuccessors.push_back(&SuccBB->front());
}
- return UsedAssumedInformation;
+ return false;
}
ChangeStatus AAIsDeadFunction::updateImpl(Attributor &A) {
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