[llvm-branch-commits] [llvm] b58b440 - [AMDGPU][NFC] Document high parameter of f16 interp intrinsics

[Carl Ritson via llvm-branch-commits]

Author: Carl Ritson
Date: 2020-12-18T19:59:13+09:00
New Revision: b58b440d19c84f59aae4679608c55db0d95ff879

URL: https://github.com/llvm/llvm-project/commit/b58b440d19c84f59aae4679608c55db0d95ff879
DIFF: https://github.com/llvm/llvm-project/commit/b58b440d19c84f59aae4679608c55db0d95ff879.diff

LOG: [AMDGPU][NFC] Document high parameter of f16 interp intrinsics

Added: 
    

Modified: 
    llvm/include/llvm/IR/IntrinsicsAMDGPU.td

Removed: 
    


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diff  --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
index ea4a93f8bdef..2cab7f38e281 100644
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -1330,6 +1330,7 @@ def int_amdgcn_interp_p2 :
           // See int_amdgcn_v_interp_p1 for why this is IntrNoMem.
 
 // __builtin_amdgcn_interp_p1_f16 <i>, <attr_chan>, <attr>, <high>, <m0>
+// high selects whether high or low 16-bits are loaded from LDS
 def int_amdgcn_interp_p1_f16 :
   GCCBuiltin<"__builtin_amdgcn_interp_p1_f16">,
   Intrinsic<[llvm_float_ty],
@@ -1338,6 +1339,7 @@ def int_amdgcn_interp_p1_f16 :
              ImmArg<ArgIndex<1>>, ImmArg<ArgIndex<2>>, ImmArg<ArgIndex<3>>]>;
 
 // __builtin_amdgcn_interp_p2_f16 <p1>, <j>, <attr_chan>, <attr>, <high>, <m0>
+// high selects whether high or low 16-bits are loaded from LDS
 def int_amdgcn_interp_p2_f16 :
   GCCBuiltin<"__builtin_amdgcn_interp_p2_f16">,
   Intrinsic<[llvm_half_ty],