Fix a compile crash building MultiSource/Applications/d with the new front-end.
The PPC backend was generating random shift counts in this case, due to an
uninitialized variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25114 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 47f73ab..dc858d4 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -952,13 +952,13 @@
if (isIntImmediate(N->getOperand(1), Imm) &&
N->getOperand(0).getOpcode() == ISD::OR &&
isIntImmediate(N->getOperand(0).getOperand(1), Imm2)) {
- unsigned SH, MB, ME;
+ unsigned MB, ME;
Imm = ~(Imm^Imm2);
if (isRunOfOnes(Imm, MB, ME)) {
SDOperand Tmp1 = Select(N->getOperand(0).getOperand(0));
SDOperand Tmp2 = Select(N->getOperand(0).getOperand(1));
return CurDAG->getTargetNode(PPC::RLWIMI, MVT::i32, Tmp1, Tmp2,
- getI32Imm(SH), getI32Imm(MB), getI32Imm(ME));
+ getI32Imm(0), getI32Imm(MB), getI32Imm(ME));
}
}