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implicit defs get added to the end of machine instrs sometimes. Scan the whole instruction for the metadata operand instead of assuming it will be at the end of the instruction.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100792 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-08 18:20:52 +00:00
parent b57b6f1575
commit d0024fec25
1 changed files with 9 additions and 4 deletions
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13
lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
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@ -127,10 +127,15 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
// Get the !srcloc metadata node if we have it, and decode the loc cookie from
// it.
unsigned LocCookie = 0;
if (const MDNode *SrcLoc = MI->getOperand(NumOperands-1).getMetadata()) {
if (SrcLoc->getNumOperands() != 0)
if (const ConstantInt *CI = dyn_cast<ConstantInt>(SrcLoc->getOperand(0)))
LocCookie = CI->getZExtValue();
for (unsigned i = MI->getNumOperands(); i != 0; --i) {
if (MI->getOperand(i-1).isMetadata())
if (const MDNode *SrcLoc = MI->getOperand(i-1).getMetadata())
if (SrcLoc->getNumOperands() != 0)
if (const ConstantInt *CI =
dyn_cast<ConstantInt>(SrcLoc->getOperand(0))) {
LocCookie = CI->getZExtValue();
break;
}
}
// Emit the inline asm to a temporary string so we can emit it through