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'HiReg' is written but never read. Nuke its

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declaration and its assignments.

Found by clang static analyzer.

llvm-svn: 123486
This commit is contained in:
Ted Kremenek 2011-01-14 22:34:13 +00:00
parent 63902f2c99
commit 4b09cdedb2
1 changed files with 5 additions and 5 deletions
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10
lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -1607,13 +1607,13 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
SDValue N0 = Node->getOperand(0);
SDValue N1 = Node->getOperand(1);
unsigned LoReg, HiReg;
unsigned LoReg;
switch (NVT.getSimpleVT().SimpleTy) {
default: llvm_unreachable("Unsupported VT!");
case MVT::i8: LoReg = X86::AL; HiReg = X86::AH; Opc = X86::MUL8r; break;
case MVT::i16: LoReg = X86::AX; HiReg = X86::DX; Opc = X86::MUL16r; break;
case MVT::i32: LoReg = X86::EAX; HiReg = X86::EDX; Opc = X86::MUL32r; break;
case MVT::i64: LoReg = X86::RAX; HiReg = X86::RDX; Opc = X86::MUL64r; break;
case MVT::i8: LoReg = X86::AL; Opc = X86::MUL8r; break;
case MVT::i16: LoReg = X86::AX; Opc = X86::MUL16r; break;
case MVT::i32: LoReg = X86::EAX; Opc = X86::MUL32r; break;
case MVT::i64: LoReg = X86::RAX; Opc = X86::MUL64r; break;
}
SDValue InFlag = CurDAG->getCopyToReg(CurDAG->getEntryNode(), dl, LoReg,