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| author | Evan Cheng <evan.cheng@apple.com> | 2009-04-27 17:36:47 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-04-27 17:36:47 +0000 |
| commit | 0f85bd368c2e5529dc575aa34235990ebd57b6e9 (patch) | |
| tree | 5552014f5b1ea2e327c09b8c3daf202193a3f166 /llvm/lib | |
| parent | a630ce5fff1f97f295c456c70a33348344481ec2 (diff) | |
| download | bcm5719-llvm-0f85bd368c2e5529dc575aa34235990ebd57b6e9.tar.gz bcm5719-llvm-0f85bd368c2e5529dc575aa34235990ebd57b6e9.zip | |
Fix PR4056. It's possible a physical register def is dead if its implicit use is deleted by two-address pass.
llvm-svn: 70213
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp index 6691c2edeee..7ef6abc4b45 100644 --- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -627,8 +627,8 @@ void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB, // The only case we should have a dead physreg here without a killing or // instruction where we know it's dead is if it is live-in to the function - // and never used. - assert(!CopyMI && "physreg was not killed in defining block!"); + // and never used. Another possible case is the implicit use of the + // physical register has been deleted by two-address pass. end = start + 1; exit: |
