Be a bit more paranoid about calling SelectNodeTo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23982 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 7b3227d..1662269 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -886,10 +886,15 @@
return SDOperand(N, 0);
case ISD::FrameIndex: {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
- CurDAG->SelectNodeTo(N, PPC::ADDI, MVT::i32,
- CurDAG->getTargetFrameIndex(FI, MVT::i32),
- getI32Imm(0));
- return SDOperand(N, 0);
+ if (N->hasOneUse()) {
+ CurDAG->SelectNodeTo(N, PPC::ADDI, MVT::i32,
+ CurDAG->getTargetFrameIndex(FI, MVT::i32),
+ getI32Imm(0));
+ return SDOperand(N, 0);
+ }
+ return CurDAG->getTargetNode(PPC::ADDI, MVT::i32,
+ CurDAG->getTargetFrameIndex(FI, MVT::i32),
+ getI32Imm(0));
}
case ISD::ConstantPool: {
Constant *C = cast<ConstantPoolSDNode>(N)->get();
@@ -914,10 +919,9 @@
Tmp = CurDAG->getTargetNode(PPC::LIS, MVT::i32, GA);
if (GV->hasWeakLinkage() || GV->isExternal())
- CurDAG->SelectNodeTo(N, PPC::LWZ, MVT::i32, GA, Tmp);
+ return CurDAG->getTargetNode(PPC::LWZ, MVT::i32, GA, Tmp);
else
- CurDAG->SelectNodeTo(N, PPC::LA, MVT::i32, Tmp, GA);
- return SDOperand(N, 0);
+ return CurDAG->getTargetNode(PPC::LA, MVT::i32, Tmp, GA);
}
case PPCISD::FSEL: {