[llvm-commits] [llvm] r81928 - /llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp
Eric Christopher
echristo at apple.com
Tue Sep 15 14:56:46 PDT 2009
Author: echristo
Date: Tue Sep 15 16:56:46 2009
New Revision: 81928
URL: http://llvm.org/viewvc/llvm-project?rev=81928&view=rev
Log:
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Modified:
llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp
Modified: llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp?rev=81928&r1=81927&r2=81928&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp (original)
+++ llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp Tue Sep 15 16:56:46 2009
@@ -107,7 +107,9 @@
/// 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 @@
break;
}
}
+
if (OnlyUnwoundTo) {
// Only unwind edges lead to the landing pad. Remember the landing pad.
LandingPads.insert(LPad);
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