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3 Commits

Author SHA1 Message Date
Reid Kleckner da00cf5f73 Work around bugs in MSVC "14" CTP 3's conversion logic 
It appears to ignore or find ambiguous MachineInstrBuilder's conversion
operators that allow conversion to MachineInstr* and
MachineBasicBlock::bundle_iterator.

As a workaround, add an explicit way to get the MachineInstr.

llvm-svn: 221017
 2014-10-31 23:19:46 +00:00
Matt Arsenault fe0a2e677b R600/SI: Match read2/write2 stride 64 versions 
llvm-svn: 219536
 2014-10-10 22:12:32 +00:00
Matt Arsenault 410332860d R600/SI: Add load / store machine optimizer pass. 
Currently this only functions to match simple cases
where ds_read2_* / ds_write2_* instructions can be used.

In the future it might match some of the other weird
load patterns, such as direct to LDS loads.

Currently enabled only with a subtarget feature to enable
easier testing.

llvm-svn: 219533
 2014-10-10 22:01:59 +00:00