// LDM/STM ops.
for (unsigned i = 0, e = MBBII.size(); i < e; ++i)
if (mergeBaseUpdateLSMultiple(MBB, MBBII[i], Advance, MBBI))
- NumMerges++;
+ ++NumMerges;
NumMerges += MBBII.size();
// Try folding preceeding/trailing base inc/dec into those load/store
for (unsigned i = 0; i != NumMemOps; ++i)
if (!MemOps[i].Merged)
if (mergeBaseUpdateLoadStore(MBB, MemOps[i].MBBI, TII,Advance,MBBI))
- NumMerges++;
+ ++NumMerges;
// RS may be pointing to an instruction that's deleted.
RS->skipTo(prior(MBBI));
+ } else if (NumMemOps == 1) {
+ // Try folding preceeding/trailing base inc/dec into the single
+ // load/store.
+ if (mergeBaseUpdateLoadStore(MBB, MemOps[0].MBBI, TII, Advance, MBBI)) {
+ ++NumMerges;
+ RS->skipTo(prior(MBBI));
+ }
}
CurrBase = 0;
--- /dev/null
+; RUN: llvm-as < %s | llc -mtriple=arm-linux-gnu | grep {str.*\\!}
+; RUN: llvm-as < %s | llc -mtriple=arm-linux-gnu | grep {ldr.*\\\[.*\], #+4}
+
+@b = external global i64*
+
+define i64 @t(i64 %a) nounwind readonly {
+entry:
+ %0 = load i64** @b, align 4
+ %1 = load i64* %0, align 4
+ %2 = mul i64 %1, %a
+ ret i64 %2
+}