[TargetInstrInfo] Rename getLdStBaseRegImmOfs and implement for x86.

Summary:

TargetInstrInfo::getLdStBaseRegImmOfs to
TargetInstrInfo::getMemOpBaseRegImmOfs and implement for x86.  The
implementation only handles a few easy cases now and will be made more
sophisticated in the future.

This is NFCI: the only user of `getLdStBaseRegImmOfs` (now
`getmemOpBaseRegImmOfs`) is `LoadClusterMotion` and `LoadClusterMotion`
is disabled for x86.

Reviewers: reames, ab, MatzeB, atrick

Reviewed By: MatzeB, atrick

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10199

llvm-svn: 239741

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64StorePairSuppress.cpp b/llvm/lib/Target/AArch64/AArch64StorePairSuppress.cpp
index 85b44a20e11..1c6b15790ea 100644
--- a/llvm/lib/Target/AArch64/AArch64StorePairSuppress.cpp
+++ b/llvm/lib/Target/AArch64/AArch64StorePairSuppress.cpp
@@ -142,7 +142,7 @@ bool AArch64StorePairSuppress::runOnMachineFunction(MachineFunction &MF) {
         continue;
       unsigned BaseReg;
       unsigned Offset;
-      if (TII->getLdStBaseRegImmOfs(&MI, BaseReg, Offset, TRI)) {
+      if (TII->getMemOpBaseRegImmOfs(&MI, BaseReg, Offset, TRI)) {
         if (PrevBaseReg == BaseReg) {
           // If this block can take STPs, skip ahead to the next block.
           if (!SuppressSTP && shouldAddSTPToBlock(MI.getParent()))