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document these nodes, as they are nonobvious

llvm-svn: 21108
This commit is contained in:
Chris Lattner 2005-04-06 04:21:29 +00:00
parent c87ff88efb
commit 4201b81130

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@ -90,7 +90,11 @@ namespace ISD {
// Simple binary arithmetic operators.
ADD, SUB, MUL, MULHU, MULHS, SDIV, UDIV, SREM, UREM,
ADD, SUB, MUL, SDIV, UDIV, SREM, UREM,
// MULHU/MULHS - Multiply high - Multiply two integers of type iN, producing
// an unsigned/signed value of type i[2*n], then return the top part.
MULHU, MULHS,
// Bitwise operators.
AND, OR, XOR, SHL, SRA, SRL,