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Replace assert(0) with llvm_unreachable to avoid warnings about dropping off the end of a non-void function in Release builds.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153643 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-03-29 12:37:26 +00:00
parent b8ca988743
commit 73478404af
1 changed files with 5 additions and 6 deletions
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11
lib/Target/X86/X86ISelDAGToDAG.cpp
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@ -1908,23 +1908,22 @@ static bool isLoadIncOrDecStore(StoreSDNode *StoreNode, unsigned Opc,
return true;
}
/// getFusedLdStOpcode - Get the appropriate X86 opcode for an in memory
/// increment or decrement. Opc should be X86ISD::DEC or X86ISD:INC.
/// getFusedLdStOpcode - Get the appropriate X86 opcode for an in memory
/// increment or decrement. Opc should be X86ISD::DEC or X86ISD::INC.
static unsigned getFusedLdStOpcode(EVT &LdVT, unsigned Opc) {
if (Opc == X86ISD::DEC) {
if (LdVT == MVT::i64) return X86::DEC64m;
if (LdVT == MVT::i32) return X86::DEC32m;
if (LdVT == MVT::i16) return X86::DEC16m;
if (LdVT == MVT::i8) return X86::DEC8m;
assert(0 && "unrecognized size for LdVT");
}
else {
} else {
assert(Opc == X86ISD::INC && "unrecognized opcode");
if (LdVT == MVT::i64) return X86::INC64m;
if (LdVT == MVT::i32) return X86::INC32m;
if (LdVT == MVT::i16) return X86::INC16m;
if (LdVT == MVT::i8) return X86::INC8m;
assert(0 && "unrecognized size for LdVT");
}
llvm_unreachable("unrecognized size for LdVT");
}
SDNode *X86DAGToDAGISel::Select(SDNode *Node) {