maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[AArch64] Set MMOs on pre- and post-index instructions. 

Without the MMOs the MI scheduler is unable to reason about the dependencies of
these instructions.

llvm-svn: 259052
This commit is contained in:
Chad Rosier 2016-01-28 15:38:24 +00:00
parent de16172d9d
commit 3ada75f7e8
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
View File

@ -1264,7 +1264,8 @@ AArch64LoadStoreOpt::mergeUpdateInsn(MachineBasicBlock::iterator I,
.addOperand(getLdStRegOp(Update))
.addOperand(getLdStRegOp(I))
.addOperand(getLdStBaseOp(I))
.addImm(Value);
.addImm(Value)
.setMemRefs(I->memoperands_begin(), I->memoperands_end());
} else {
// Paired instruction.
int Scale = getMemScale(I);
@ -1273,7 +1274,8 @@ AArch64LoadStoreOpt::mergeUpdateInsn(MachineBasicBlock::iterator I,
.addOperand(getLdStRegOp(I, 0))
.addOperand(getLdStRegOp(I, 1))
.addOperand(getLdStBaseOp(I))
.addImm(Value / Scale);
.addImm(Value / Scale)
.setMemRefs(I->memoperands_begin(), I->memoperands_end());
}
(void)MIB;