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X86: Use dyn_cast instead of isa+cast, NFC 

llvm-svn: 243034
This commit is contained in:
Duncan P. N. Exon Smith 2015-07-23 19:27:07 +00:00
parent b33a5557f4
commit d531322149
1 changed files with 6 additions and 5 deletions
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11
llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
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@ -2347,11 +2347,12 @@ bool X86AsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
// instalias with an immediate operand yet.
if (Name == "int" && Operands.size() == 2) {
X86Operand &Op1 = static_cast<X86Operand &>(*Operands[1]);
if (Op1.isImm() && isa<MCConstantExpr>(Op1.getImm()) &&
cast<MCConstantExpr>(Op1.getImm())->getValue() == 3) {
Operands.erase(Operands.begin() + 1);
static_cast<X86Operand &>(*Operands[0]).setTokenValue("int3");
}
if (Op1.isImm())
if (auto *CE = dyn_cast<MCConstantExpr>(Op1.getImm()))
if (CE->getValue() == 3) {
Operands.erase(Operands.begin() + 1);
static_cast<X86Operand &>(*Operands[0]).setTokenValue("int3");
}
}
return false;