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Add a couple default: llvm_unreachable() to some switch statements. Fix a bad message in an existing llvm_unreachable. 

llvm-svn: 161725
This commit is contained in:
Craig Topper 2012-08-11 17:44:14 +00:00
parent 774ebdfcd1
commit 22cb0c572b
1 changed files with 4 additions and 2 deletions
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6
llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -2062,7 +2062,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
case X86ISD::ATOMSWAP64_DAG: {
unsigned Opc;
switch (Opcode) {
default: llvm_unreachable("Impossible intrinsic");
default: llvm_unreachable("Impossible opcode");
case X86ISD::ATOMOR64_DAG: Opc = X86::ATOMOR6432; break;
case X86ISD::ATOMXOR64_DAG: Opc = X86::ATOMXOR6432; break;
case X86ISD::ATOMADD64_DAG: Opc = X86::ATOMADD6432; break;
@ -2119,7 +2119,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
if (Opcode != ISD::AND && ((Val >> ShlVal) << ShlVal) != Val)
break;
unsigned ShlOp, Op = 0;
unsigned ShlOp, Op;
EVT CstVT = NVT;
// Check the minimum bitwidth for the new constant.
@ -2142,6 +2142,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
ShlOp = X86::SHL32ri;
switch (Opcode) {
default: llvm_unreachable("Impossible opcode");
case ISD::AND: Op = X86::AND32ri8; break;
case ISD::OR: Op = X86::OR32ri8; break;
case ISD::XOR: Op = X86::XOR32ri8; break;
@ -2152,6 +2153,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
ShlOp = X86::SHL64ri;
switch (Opcode) {
default: llvm_unreachable("Impossible opcode");
case ISD::AND: Op = CstVT==MVT::i8? X86::AND64ri8 : X86::AND64ri32; break;
case ISD::OR: Op = CstVT==MVT::i8? X86::OR64ri8 : X86::OR64ri32; break;
case ISD::XOR: Op = CstVT==MVT::i8? X86::XOR64ri8 : X86::XOR64ri32; break;