Evan Cheng 5b69ebac85 It has finally happened. Spiller is now using live interval info. ... This fixes a very subtle bug. vr defined by an implicit_def is allowed overlap with any register since it doesn't actually modify anything. However, if it's used as a two-address use, its live range can be extended and it can be spilled. The spiller must take care not to emit a reload for the vn number that's defined by the implicit_def. This is both a correctness and performance issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69743 91177308-0d34-0410-b5e6-96231b3b80d8		2009-04-21 22:46:52 +00:00
..
Alpha
ARM	Rename file to have the correct suffix.	2009-04-17 20:40:20 +00:00
CBackend
CellSPU	Revert 67132. This is breaking some objective-c apps.	2009-03-25 20:20:11 +00:00
CPP
Generic	Add a new "available_externally" linkage type. This is intended	2009-04-13 05:44:34 +00:00
IA64
Mips
PowerPC	Don't try to make BUILD_VECTOR operands have the same	2009-04-18 20:16:54 +00:00
SPARC
X86	It has finally happened. Spiller is now using live interval info.	2009-04-21 22:46:52 +00:00
XCore	testcase for PR3898	2009-04-18 20:49:22 +00:00