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[x86] Silence unused diReg variable warning in non-asserting builds

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199812 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Woodhouse 2014-01-22 15:31:32 +00:00
parent b92c3984b2
commit 929b0fb893
1 changed files with 3 additions and 4 deletions
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7
lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
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@ -1318,11 +1318,10 @@ EncodeInstruction(const MCInst &MI, raw_ostream &OS,
case X86II::Pseudo:
llvm_unreachable("Pseudo instruction shouldn't be emitted");
case X86II::RawFrmDstSrc: {
unsigned diReg = MI.getOperand(0).getReg();
unsigned siReg = MI.getOperand(1).getReg();
assert(((siReg == X86::SI && diReg == X86::DI) ||
(siReg == X86::ESI && diReg == X86::EDI) ||
(siReg == X86::RSI && diReg == X86::RDI)) &&
assert(((siReg == X86::SI && MI.getOperand(0).getReg() == X86::DI) ||
(siReg == X86::ESI && MI.getOperand(0).getReg() == X86::EDI) ||
(siReg == X86::RSI && MI.getOperand(0).getReg() == X86::RDI)) &&
"SI and DI register sizes do not match");
// Emit segment override opcode prefix as needed (not for %ds).
if (MI.getOperand(2).getReg() != X86::DS)