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llvm-svn: 99999
This commit is contained in:
Chris Lattner 2010-03-31 06:09:04 +00:00
parent 421f945e1f
commit 7919973f2d
1 changed files with 20 additions and 19 deletions
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39
lib/CodeGen/AsmPrinter/DwarfException.cpp
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@ -419,23 +419,24 @@ bool DwarfException::CallToNoUnwindFunction(const MachineInstr *MI) {
for (unsigned I = 0, E = MI->getNumOperands(); I != E; ++I) {
const MachineOperand &MO = MI->getOperand(I);
if (MO.isGlobal()) {
if (Function *F = dyn_cast<Function>(MO.getGlobal())) {
if (SawFunc) {
// Be conservative. If we have more than one function operand for this
// call, then we can't make the assumption that it's the callee and
// not a parameter to the call.
//
// FIXME: Determine if there's a way to say that `F' is the callee or
// parameter.
MarkedNoUnwind = false;
break;
}
if (!MO.isGlobal()) continue;
Function *F = dyn_cast<Function>(MO.getGlobal());
if (F == 0) continue;
MarkedNoUnwind = F->doesNotThrow();
SawFunc = true;
}
if (SawFunc) {
// Be conservative. If we have more than one function operand for this
// call, then we can't make the assumption that it's the callee and
// not a parameter to the call.
//
// FIXME: Determine if there's a way to say that `F' is the callee or
// parameter.
MarkedNoUnwind = false;
break;
}
MarkedNoUnwind = F->doesNotThrow();
SawFunc = true;
}
return MarkedNoUnwind;
@ -504,7 +505,10 @@ ComputeCallSiteTable(SmallVectorImpl<CallSiteEntry> &CallSites,
LastLabel = LandingPad->EndLabels[P.RangeIndex];
assert(BeginLabel && LastLabel && "Invalid landing pad!");
if (LandingPad->LandingPadLabel) {
if (!LandingPad->LandingPadLabel) {
// Create a gap.
PreviousIsInvoke = false;
} else {
// This try-range is for an invoke.
CallSiteEntry Site = {
BeginLabel,
@ -536,9 +540,6 @@ ComputeCallSiteTable(SmallVectorImpl<CallSiteEntry> &CallSites,
CallSites[SiteNo - 1] = Site;
}
PreviousIsInvoke = true;
} else {
// Create a gap.
PreviousIsInvoke = false;
}
}
}