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author | Evan Cheng <evan.cheng@apple.com> | 2007-06-27 01:16:36 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2007-06-27 01:16:36 +0000 |
commit | 6cf13714569bf079e4e928af05dd1055b19ebe4f (patch) | |
tree | 05db131c40e5a892cec725005d32ff3ade780fff /llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | |
parent | 5477c54aa0e05d5ca30ffa3a58b24e579fbea0a1 (diff) | |
download | bcm5719-llvm-6cf13714569bf079e4e928af05dd1055b19ebe4f.tar.gz bcm5719-llvm-6cf13714569bf079e4e928af05dd1055b19ebe4f.zip |
Fix an obvious bug. Old code only worked for the entry block.
llvm-svn: 37743
Diffstat (limited to 'llvm/lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r-- | llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp index 34134520d65..ebab85fb480 100644 --- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -623,10 +623,11 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB, } exit: - // Alias of a live-in register might not be used at all. - if (isAlias && end == 0) { + // Live-in register might not be used at all. + if (end == MIIdx) { DOUT << " dead"; - end = getDefIndex(start) + 1; + if (isAlias) + end = getDefIndex(MIIdx) + 1; } assert(start < end && "did not find end of interval?"); |