[llvm-dev] Is there a way to correlate operation to machine instruction?
Matt Arsenault via llvm-dev
llvm-dev at lists.llvm.org
Wed Apr 12 11:24:21 PDT 2017
On 04/12/2017 11:07 AM, Ryan Taylor wrote:
> so in AMDGPU, the operands are sort of 'generic'? Can you point me
> to the right places?
Not exactly generic, but they have custom defined constraints. Look at
the definitions for the VSrc_* operand types in SIRegisterIno.td. These
set the OperandType on the Operand to a custom enum, and the target
verifyInstruction checks the custom constraints.
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