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* AMDGPU: Remove some old intrinsic uses from testsMatt Arsenault2016-02-111-2/+2
| | | | llvm-svn: 260493
* AMDGPU: Implement read_register and write_register intrinsicsMatt Arsenault2016-01-261-0/+22
Some of the special intrinsics now that now correspond to a instruction also have special setting of some registers, e.g. llvm.SI.sendmsg sets m0 as well as use s_sendmsg. Using these explicit register intrinsics may be a better option. Reading the exec mask and others may be useful for debugging. For this I'm not sure this is entirely correct because we would want this to be convergent, although it's possible this is already treated sufficently conservatively. llvm-svn: 258785
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