remove dead code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23749 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 8396da6..48e6a21 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -233,7 +233,7 @@
if (IsShiftMask) Mask = Mask << Shift;
// determine which bits are made indeterminant by shift
Indeterminant = ~(0xFFFFFFFFu << Shift);
- } else if (Opcode == ISD::SRA || Opcode == ISD::SRL) {
+ } else if (Opcode == ISD::SRL) {
// apply shift right to mask if it comes first
if (IsShiftMask) Mask = Mask >> Shift;
// determine which bits are made indeterminant by shift
@@ -1277,13 +1277,8 @@
return SDOperand(N, 0);
}
case ISD::SRA: {
- unsigned Imm, SH, MB, ME;
- if (0 &&isOpcWithIntImmediate(N->getOperand(0).Val, ISD::AND, Imm) &&
- isRotateAndMask(N, Imm, true, SH, MB, ME))
- CurDAG->SelectNodeTo(N, PPC::RLWINM, MVT::i32,
- Select(N->getOperand(0).getOperand(0)),
- getI32Imm(SH), getI32Imm(MB), getI32Imm(ME));
- else if (isIntImmediate(N->getOperand(1), Imm))
+ unsigned Imm;
+ if (isIntImmediate(N->getOperand(1), Imm))
CurDAG->SelectNodeTo(N, PPC::SRAWI, MVT::i32, Select(N->getOperand(0)),
getI32Imm(Imm));
else