diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-01-04 22:11:11 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-01-04 22:11:11 +0000 |
| commit | c82ad72f63369bc462e59458f09960d66daa58a9 (patch) | |
| tree | 58bc455a8d052220f9ae11e65d6f06d671a7a4c4 /lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp | |
| parent | b915e9e0fc85ba6f398b3fab0db6a81a8913af94 (diff) | |
Vendor import of llvm trunk r291012:vendor/llvm/llvm-trunk-r291012
Diffstat (limited to 'lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp')
| -rw-r--r-- | lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp b/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp index dcb05601e5f4..8a76c42b5898 100644 --- a/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp +++ b/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp @@ -1470,6 +1470,9 @@ bool AArch64LoadStoreOpt::tryToPairLdStInst(MachineBasicBlock::iterator &MBBI) { bool IsUnscaled = TII->isUnscaledLdSt(MI); int Offset = getLdStOffsetOp(MI).getImm(); int OffsetStride = IsUnscaled ? getMemScale(MI) : 1; + // Allow one more for offset. + if (Offset > 0) + Offset -= OffsetStride; if (!inBoundsForPair(IsUnscaled, Offset, OffsetStride)) return false; |