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(parent: 6832837) | patch
Rewrite code that propagate isDead information after a dead copy is coalesced. This...
authorEvan Cheng <evan.cheng@apple.com>
Tue, 18 Mar 2008 08:26:47 +0000 (08:26 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Tue, 18 Mar 2008 08:26:47 +0000 (08:26 +0000)
commit3c88d742d4e89e9b2ed7bd10822d18748b97d488
tree91486580dd8864e186c580e945d84c0af184ac24tree | snapshot
parent683283763f3293eaa6d7034b23fac0d1620e13c7commit | diff
Rewrite code that propagate isDead information after a dead copy is coalesced. This remove some ugly spaghetti code and fixed a number of subtle bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48490 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SimpleRegisterCoalescing.cpp diff | blob | history
lib/CodeGen/SimpleRegisterCoalescing.h diff | blob | history
test/CodeGen/PowerPC/2008-03-17-RegScavengerCrash.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors