diff options
author | rdivacky <rdivacky@FreeBSD.org> | 2010-04-02 08:54:30 +0000 |
---|---|---|
committer | rdivacky <rdivacky@FreeBSD.org> | 2010-04-02 08:54:30 +0000 |
commit | 20e856b2a58d12231aa42d5d13888b15ac03e5a4 (patch) | |
tree | cf5763d092b81cecc168fa28032247ee495d06e2 /lib/Target/PowerPC/PPCInstrInfo.cpp | |
parent | 2f2afc1aae898651e26987a5c71f3febb19bca98 (diff) | |
download | FreeBSD-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.cpp | 15 |
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; |