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authorChris Lattner <sabre@nondot.org>2004-02-22 19:37:31 +0000
committerChris Lattner <sabre@nondot.org>2004-02-22 19:37:31 +0000
commitd0d1c8f830afbdbb708096be27d35101e13414a6 (patch)
tree413cf513f98a80ac5f7f02ace9528badafac012e /lib/CodeGen/RegAllocLocal.cpp
parent890f92328d5478e050d2eba8f4de24737a04a812 (diff)
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Another bug fix for empty MBB's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11716 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLocal.cpp')
-rw-r--r--lib/CodeGen/RegAllocLocal.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index 23063461d7..38e0073360 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -653,7 +653,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
const TargetInstrInfo &TII = TM->getInstrInfo();
MI = MBB.end();
while (MI != MBB.begin() && TII.isTerminatorInstr((--MI)->getOpcode()));
- ++MI;
+ if (MI != MBB.end()) ++MI;
// Spill all physical registers holding virtual registers now.
for (unsigned i = 0, e = RegInfo->getNumRegs(); i != e; ++i)