[SystemZ] Don't drop MO flags in foldMemoryOperandImpl()
The def operand of the new LG/LD should have the old def operands
flags and subreg index.
New test: test/CodeGen/SystemZ/fold-memory-op-impl.ll
Review: Ulrich Weigand
llvm-svn: 298341
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
index a1ef353..e139d98 100644
--- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -1140,12 +1140,12 @@
// destination register instead.
if (OpNum == 1) {
unsigned LoadOpcode = Op0IsGPR ? SystemZ::LG : SystemZ::LD;
- unsigned Dest = MI.getOperand(0).getReg();
return BuildMI(*InsertPt->getParent(), InsertPt, MI.getDebugLoc(),
- get(LoadOpcode), Dest)
- .addFrameIndex(FrameIndex)
- .addImm(0)
- .addReg(0);
+ get(LoadOpcode))
+ .add(MI.getOperand(0))
+ .addFrameIndex(FrameIndex)
+ .addImm(0)
+ .addReg(0);
}
}