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Mark all calls as "could throw", when exceptions are enabled. Emit necessary LP info too. This fixes PR1439

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37311 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2007-05-23 11:08:31 +00:00
parent 501fee71e0
commit 070280e97f
4 changed files with 51 additions and 37 deletions
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16
lib/CodeGen/MachineModuleInfo.cpp
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@ -1723,7 +1723,9 @@ void MachineModuleInfo::TidyLandingPads() {
LandingPadInfo &LandingPad = LandingPads[i];
LandingPad.LandingPadLabel = MappedLabel(LandingPad.LandingPadLabel);
if (!LandingPad.LandingPadLabel) {
// Special case: we *should* emit LPs with null LP MBB. This indicates
// "rethrow" case.
if (!LandingPad.LandingPadLabel && LandingPad.LandingPadBlock) {
LandingPads.erase(LandingPads.begin() + i);
continue;
}
@ -1768,9 +1770,15 @@ Function *MachineModuleInfo::getPersonality() const {
/// getPersonalityIndex - Return unique index for current personality
/// function. NULL personality function should always get zero index.
unsigned MachineModuleInfo::getPersonalityIndex() const {
const Function* Personality = (!LandingPads.empty() ?
LandingPads[0].Personality : NULL);
const Function* Personality = NULL;
// Scan landing pads. If there is at least one non-NULL personality - use it.
for (unsigned i = 0; i != LandingPads.size(); ++i)
if (LandingPads[i].Personality) {
Personality = LandingPads[i].Personality;
break;
}
for (unsigned i = 0; i < Personalities.size(); ++i) {
if (Personalities[i] == Personality)
return i;