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Author SHA1 Message Date
Matt Arsenault b6d8c37e1a AMDGPU: Fold more custom nodes to undef 
This will help sneak undefs past GVN into the DAG for
some tests.

Also add missing intrinsic for rsq_legacy, even though the node
was already selected to the instruction. Also start passing
the debug location to intrinsic errors.

llvm-svn: 273181
 2016-06-20 18:33:56 +00:00
Matt Arsenault bef34e21c7 AMDGPU: Rename intrinsics to use amdgcn prefix 
The intrinsic target prefix should match the target name
as it appears in the triple.

This is not yet complete, but gets most of the important ones.
llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled
for compatability for now.

llvm-svn: 258557
 2016-01-22 21:30:34 +00:00