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-rw-r--r--llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp16
1 files changed, 6 insertions, 10 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp b/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
index b84eb36dc22..b67d2e2acf9 100644
--- a/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
@@ -492,16 +492,12 @@ static void trackRegDefsUses(const MachineInstr *MI, BitVector &ModifiedRegs,
}
static bool inBoundsForPair(bool IsUnscaled, int Offset, int OffsetStride) {
- if (!IsUnscaled && (Offset > 63 || Offset < -64))
- return false;
- if (IsUnscaled) {
- // Convert the byte-offset used by unscaled into an "element" offset used
- // by the scaled pair load/store instructions.
- int ElemOffset = Offset / OffsetStride;
- if (ElemOffset > 63 || ElemOffset < -64)
- return false;
- }
- return true;
+ // Convert the byte-offset used by unscaled into an "element" offset used
+ // by the scaled pair load/store instructions.
+ if (IsUnscaled)
+ Offset /= OffsetStride;
+
+ return Offset <= 63 && Offset >= -64;
}
// Do alignment, specialized to power of 2 and for signed ints,
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