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Diffstat (limited to 'llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp')
-rw-r--r--llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp19
1 files changed, 8 insertions, 11 deletions
diff --git a/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp b/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
index 1af77d84f85..c8e58a1e93a 100644
--- a/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
@@ -934,9 +934,9 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE,
return None;
}
- if (!SE.isAvailableAtLoopEntry(RightSCEV, &L) ||
- !SE.isLoopEntryGuardedByCond(&L, BoundPred, IndVarStart,
- SE.getAddExpr(RightSCEV, Step))) {
+ if (!SE.isLoopEntryGuardedByCond(
+ &L, BoundPred, IndVarStart,
+ SE.getAddExpr(RightSCEV, Step))) {
FailureReason = "Induction variable start not bounded by upper limit";
return None;
}
@@ -948,8 +948,7 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE,
RightValue = B.CreateAdd(RightValue, One);
}
} else {
- if (!SE.isAvailableAtLoopEntry(RightSCEV, &L) ||
- !SE.isLoopEntryGuardedByCond(&L, BoundPred, IndVarStart, RightSCEV)) {
+ if (!SE.isLoopEntryGuardedByCond(&L, BoundPred, IndVarStart, RightSCEV)) {
FailureReason = "Induction variable start not bounded by upper limit";
return None;
}
@@ -1015,10 +1014,9 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE,
return None;
}
- if (!SE.isAvailableAtLoopEntry(RightSCEV, &L) ||
- !SE.isLoopEntryGuardedByCond(
- &L, BoundPred, IndVarStart,
- SE.getMinusSCEV(RightSCEV, SE.getOne(RightSCEV->getType())))) {
+ if (!SE.isLoopEntryGuardedByCond(
+ &L, BoundPred, IndVarStart,
+ SE.getMinusSCEV(RightSCEV, SE.getOne(RightSCEV->getType())))) {
FailureReason = "Induction variable start not bounded by lower limit";
return None;
}
@@ -1030,8 +1028,7 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE,
RightValue = B.CreateSub(RightValue, One);
}
} else {
- if (!SE.isAvailableAtLoopEntry(RightSCEV, &L) ||
- !SE.isLoopEntryGuardedByCond(&L, BoundPred, IndVarStart, RightSCEV)) {
+ if (!SE.isLoopEntryGuardedByCond(&L, BoundPred, IndVarStart, RightSCEV)) {
FailureReason = "Induction variable start not bounded by lower limit";
return None;
}
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