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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 | 75611fb4e6ab253be30ac29a2b15e9bf8c1d146e (patch) | |
tree | e8532915968590e930c8aad167116bfd54171a8c /lib/CodeGen/LiveIntervalAnalysis.cpp | |
parent | 6032a5ba64cc97f95b0afd65b88fc4febebc62ad (diff) | |
download | external_llvm-75611fb4e6ab253be30ac29a2b15e9bf8c1d146e.zip external_llvm-75611fb4e6ab253be30ac29a2b15e9bf8c1d146e.tar.gz external_llvm-75611fb4e6ab253be30ac29a2b15e9bf8c1d146e.tar.bz2 |
Fix an obvious bug. Old code only worked for the entry block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37743 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 3413452..ebab85f 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/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?"); |