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authorHal Finkel <hfinkel@anl.gov>2015-01-13 17:47:59 +0000
committerHal Finkel <hfinkel@anl.gov>2015-01-13 17:47:59 +0000
commitdf87f9383b6e13e9bdaf3fe5c6a7d914fcc7def6 (patch)
tree5fb1a2d0e32d6427989e49bda1f9e128248d1a0d /llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
parentf4a22c0d4805b0a8fa1f64e89ad6871a44c9bea4 (diff)
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[StackMaps] Allow the target to pre-process the live-out mask
Some targets, PowerPC for example, have pseudo-registers (such as that used to represent the rounding mode), that don't have DWARF register numbers or a register class. These are used only for internal dependency tracking, and should not appear in the recorded live-outs. This adds a callback allowing the target to pre-process the live-out mask in order to remove these kinds of registers so that the StackMaps code does not complain about them and/or attempt to include them in the output. This will be used by the PowerPC target in a future commit. llvm-svn: 225805
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCCTRLoops.cpp')
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