[llvm] cc4d7dc - [AMDGPU] Fix comment for llvm.amdgcn.div.scale. NFC.

[Austin Kerbow via llvm-commits]

Author: Austin Kerbow
Date: 2020-04-13T12:04:55-07:00
New Revision: cc4d7dced9fa6630ec0921f9c5a58fa1a2972e60

URL: https://github.com/llvm/llvm-project/commit/cc4d7dced9fa6630ec0921f9c5a58fa1a2972e60
DIFF: https://github.com/llvm/llvm-project/commit/cc4d7dced9fa6630ec0921f9c5a58fa1a2972e60.diff

LOG: [AMDGPU] Fix comment for llvm.amdgcn.div.scale. NFC.

Update comment to reflect actual lowering.

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 d1eae65beb3d..b5f9685f5b7b 100644
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -217,8 +217,8 @@ def int_amdgcn_s_waitcnt : GCCBuiltin<"__builtin_amdgcn_s_waitcnt">,
 def int_amdgcn_div_scale : Intrinsic<
   // 1st parameter: Numerator
   // 2nd parameter: Denominator
-  // 3rd parameter: Constant to select between first and
-  //                second. (0 = first, 1 = second).
+  // 3rd parameter: Select quotient. Must equal Numerator or Denominator.
+  //                (0 = Denominator, 1 = Numerator).
   [llvm_anyfloat_ty, llvm_i1_ty],
   [LLVMMatchType<0>, LLVMMatchType<0>, llvm_i1_ty],
   [IntrNoMem, IntrSpeculatable, ImmArg<2>]