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llvm-mirror/test/CodeGen
Jakob Stoklund Olesen b761721812 Merge into undefined lanes under -new-coalescer.
Add LIS::pruneValue() and extendToIndices(). These two functions are
used by the register coalescer when merging two live ranges requires
more than a trivial value mapping as supported by LiveInterval::join().

The pruneValue() function can remove the part of a value number that is
going to conflict in join(). Afterwards, extendToIndices can restore the
live range, using any new dominating value numbers and updating the SSA
form.

Use this complex value mapping to support merging a register into a
vector lane that has a conflicting value, but the clobbered lane is
undef.

llvm-svn: 164074
2012-09-17 23:03:25 +00:00
..
ARM Merge into undefined lanes under -new-coalescer. 2012-09-17 23:03:25 +00:00
CellSPU Add test triples to fix win32 failures. Revert workaround from r161292. 2012-08-08 20:31:37 +00:00
CPP test commit 2012-07-18 17:53:05 +00:00
Generic BranchProb: modify the definition of an edge in BranchProbabilityInfo to handle 2012-08-24 18:14:27 +00:00
Hexagon LLVM Bug Fix 13709: Remove needless lsr(Rp, #32) instruction access the 2012-09-05 16:01:40 +00:00
MBlaze
Mips Handled unaligned load/stores properly in Mips16 2012-09-15 01:02:03 +00:00
MSP430 Reapply r161633-161634 "Partition use lists so defs always come before uses."" 2012-08-10 00:21:30 +00:00
NVPTX
PowerPC This patch corrects logic in PPCFrameLowering for save and restore of 2012-09-12 14:47:47 +00:00
SPARC test/CodeGen/SPARC/private.ll: Fixup. Forgot to prune old RUN lines. 2012-07-03 04:29:20 +00:00
Thumb Fix Thumb2 fixup kind in the integrated-as. 2012-09-01 15:06:36 +00:00
Thumb2 Use predication instead of pseudo-opcodes when folding into MOVCC. 2012-09-05 23:58:02 +00:00
X86 Add some cases to x86 OptimizeCompare to handle DEC and INC, too. 2012-09-17 22:04:23 +00:00
XCore