Teach AnalyzeBranch, RemoveBranch and the branch
folder to be tolerant of debug info following the
branch(es) at the end of a block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100168 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PIC16/PIC16InstrInfo.cpp b/lib/Target/PIC16/PIC16InstrInfo.cpp
index 2fb405e..da16e83 100644
--- a/lib/Target/PIC16/PIC16InstrInfo.cpp
+++ b/lib/Target/PIC16/PIC16InstrInfo.cpp
@@ -226,6 +226,11 @@
// Get the terminator instruction.
--I;
+ while (I->isDebugValue()) {
+ if (I == MBB.begin())
+ return true;
+ --I;
+ }
// Handle unconditional branches. If the unconditional branch's target is
// successor basic block then remove the unconditional branch.
if (I->getOpcode() == PIC16::br_uncond && AllowModify) {