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Lang Hames 0b23dc0cc8 Fixed a bug in the PBQP allocator's findCoalesces method.
Previously spill registers, whose def indexes are not defined, would sometimes be improperly marked as coalescable with conflicting registers. The new findCoalesces routine conservatively assumes that any register with at least one undefined def is not coalescable with any register it interferes with.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95636 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-09 00:50:27 +00:00
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include Debug operands should not be def or kill. 2010-02-09 00:42:08 +00:00
lib Fixed a bug in the PBQP allocator's findCoalesces method. 2010-02-09 00:50:27 +00:00
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test Implement x86 asm parsing support for %st and %st(4) 2010-02-09 00:49:22 +00:00
tools Added header file declarations and .exports entries 2010-02-08 23:34:25 +00:00
unittests
utils pass stringref by value instead of by const& 2010-02-09 00:34:28 +00:00
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Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
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Please see the HTML documentation provided in docs/index.html for further
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