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llvm-svn: 81928
This commit is contained in:
Eric Christopher 2009-09-15 21:56:46 +00:00
parent a1874a91b6
commit 17f54d0f42
1 changed files with 4 additions and 1 deletions
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5
llvm/lib/CodeGen/DwarfEHPrepare.cpp
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@ -107,7 +107,9 @@ FunctionPass *llvm::createDwarfEHPass(const TargetLowering *tli, bool fast) {
/// NormalizeLandingPads - Normalize and discover landing pads, noting them
/// in the LandingPads set. A landing pad is normal if the only CFG edges
/// that end at it are unwind edges from invoke instructions.
/// that end at it are unwind edges from invoke instructions. If we inlined
/// through an invoke we could have a normal branch from the previous
/// unwind block through to the landing pad for the original invoke.
/// Abnormal landing pads are fixed up by redirecting all unwind edges to
/// a new basic block which falls through to the original.
bool DwarfEHPrepare::NormalizeLandingPads() {
@ -132,6 +134,7 @@ bool DwarfEHPrepare::NormalizeLandingPads() {
break;
}
}
if (OnlyUnwoundTo) {
// Only unwind edges lead to the landing pad. Remember the landing pad.
LandingPads.insert(LPad);