[llvm-commits] [llvm] r155203 - /llvm/trunk/include/llvm/Target/Target.td
Jim Grosbach
grosbach at apple.com
Fri Apr 20 09:29:47 PDT 2012
Author: grosbach
Date: Fri Apr 20 11:29:46 2012
New Revision: 155203
URL: http://llvm.org/viewvc/llvm-project?rev=155203&view=rev
Log:
Add documentation comment.
Modified:
llvm/trunk/include/llvm/Target/Target.td
Modified: llvm/trunk/include/llvm/Target/Target.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/Target.td?rev=155203&r1=155202&r2=155203&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/Target.td (original)
+++ llvm/trunk/include/llvm/Target/Target.td Fri Apr 20 11:29:46 2012
@@ -402,6 +402,11 @@
string AsmMatchConverter = "";
+ /// TwoOperandAliasConstraint - Enable TableGen to auto-generate a
+ /// two-operand matcher inst-alias for a three operand instruction.
+ /// For example, the arm instruction "add r3, r3, r5" can be written
+ /// as "add r3, r5". The constraint is of the same form as a tied-operand
+ /// constraint. For example, "$Rn = $Rd".
string TwoOperandAliasConstraint = "";
///@}
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