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authorrdivacky <rdivacky@FreeBSD.org>2010-04-02 08:54:30 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-04-02 08:54:30 +0000
commit20e856b2a58d12231aa42d5d13888b15ac03e5a4 (patch)
treecf5763d092b81cecc168fa28032247ee495d06e2 /lib/Target/PowerPC/PPCInstrInfo.cpp
parent2f2afc1aae898651e26987a5c71f3febb19bca98 (diff)
downloadFreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.zip
FreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.tar.gz
Update LLVM to r100181.
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.cpp')
-rw-r--r--lib/Target/PowerPC/PPCInstrInfo.cpp15
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index 9895bea..82c637e 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -213,7 +213,15 @@ bool PPCInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
bool AllowModify) const {
// If the block has no terminators, it just falls into the block after it.
MachineBasicBlock::iterator I = MBB.end();
- if (I == MBB.begin() || !isUnpredicatedTerminator(--I))
+ if (I == MBB.begin())
+ return false;
+ --I;
+ while (I->isDebugValue()) {
+ if (I == MBB.begin())
+ return false;
+ --I;
+ }
+ if (!isUnpredicatedTerminator(I))
return false;
// Get the last instruction in the block.
@@ -281,6 +289,11 @@ unsigned PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
MachineBasicBlock::iterator I = MBB.end();
if (I == MBB.begin()) return 0;
--I;
+ while (I->isDebugValue()) {
+ if (I == MBB.begin())
+ return 0;
+ --I;
+ }
if (I->getOpcode() != PPC::B && I->getOpcode() != PPC::BCC)
return 0;
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