Fix PR4056. It's possible a physical register def is dead if its implicit use is...
authorEvan Cheng <evan.cheng@apple.com>
Mon, 27 Apr 2009 17:36:47 +0000 (17:36 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Mon, 27 Apr 2009 17:36:47 +0000 (17:36 +0000)
commitd521bc983b32da71b85d42dd30da87079afa5728
tree6e7db4ba66bab69bb8ce8dc774a54618d21f5563
parent27e4666c20650f2b10d93b98b7a0625a363df9df
Fix PR4056. It's possible a physical register def is dead if its implicit use is deleted by two-address pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70213 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/LiveIntervalAnalysis.cpp
test/CodeGen/X86/2009-04-27-LiveIntervalsAssert.ll [new file with mode: 0644]