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-rw-r--r--llvm/lib/Transforms/Utils/LoopUnroll.cpp22
1 files changed, 11 insertions, 11 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
index 1e645ecce1f..53575963737 100644
--- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
@@ -291,7 +291,7 @@ static bool isEpilogProfitable(Loop *L) {
///
/// This utility preserves LoopInfo. It will also preserve ScalarEvolution and
/// DominatorTree if they are non-null.
-LoopUnrollStatus llvm::UnrollLoop(
+LoopUnrollResult llvm::UnrollLoop(
Loop *L, unsigned Count, unsigned TripCount, bool Force, bool AllowRuntime,
bool AllowExpensiveTripCount, bool PreserveCondBr, bool PreserveOnlyFirst,
unsigned TripMultiple, unsigned PeelCount, bool UnrollRemainder,
@@ -301,19 +301,19 @@ LoopUnrollStatus llvm::UnrollLoop(
BasicBlock *Preheader = L->getLoopPreheader();
if (!Preheader) {
DEBUG(dbgs() << " Can't unroll; loop preheader-insertion failed.\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
BasicBlock *LatchBlock = L->getLoopLatch();
if (!LatchBlock) {
DEBUG(dbgs() << " Can't unroll; loop exit-block-insertion failed.\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
// Loops with indirectbr cannot be cloned.
if (!L->isSafeToClone()) {
DEBUG(dbgs() << " Can't unroll; Loop body cannot be cloned.\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
// The current loop unroll pass can only unroll loops with a single latch
@@ -327,7 +327,7 @@ LoopUnrollStatus llvm::UnrollLoop(
// The loop-rotate pass can be helpful to avoid this in many cases.
DEBUG(dbgs() <<
" Can't unroll; loop not terminated by a conditional branch.\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
auto CheckSuccessors = [&](unsigned S1, unsigned S2) {
@@ -337,14 +337,14 @@ LoopUnrollStatus llvm::UnrollLoop(
if (!CheckSuccessors(0, 1) && !CheckSuccessors(1, 0)) {
DEBUG(dbgs() << "Can't unroll; only loops with one conditional latch"
" exiting the loop can be unrolled\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
if (Header->hasAddressTaken()) {
// The loop-rotate pass can be helpful to avoid this in many cases.
DEBUG(dbgs() <<
" Won't unroll loop: address of header block is taken.\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
if (TripCount != 0)
@@ -360,7 +360,7 @@ LoopUnrollStatus llvm::UnrollLoop(
// Don't enter the unroll code if there is nothing to do.
if (TripCount == 0 && Count < 2 && PeelCount == 0) {
DEBUG(dbgs() << "Won't unroll; almost nothing to do\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
assert(Count > 0);
@@ -436,7 +436,7 @@ LoopUnrollStatus llvm::UnrollLoop(
DEBUG(
dbgs() << "Wont unroll; remainder loop could not be generated"
"when assuming runtime trip count\n");
- return LoopUnrollStatus::Unmodified;
+ return LoopUnrollResult::Unmodified;
}
}
@@ -861,8 +861,8 @@ LoopUnrollStatus llvm::UnrollLoop(
}
}
- return CompletelyUnroll ? LoopUnrollStatus::FullyUnrolled
- : LoopUnrollStatus::PartiallyUnrolled;
+ return CompletelyUnroll ? LoopUnrollResult::FullyUnrolled
+ : LoopUnrollResult::PartiallyUnrolled;
}
/// Given an llvm.loop loop id metadata node, returns the loop hint metadata
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