On Friday, September 12, 2014 04:30:55 PM Ian Romanick wrote:
> On 09/12/2014 03:16 PM, Kenneth Graunke wrote:
> > ir_rvalue::constant_expression_value() recursively walks down an IR
> > tree, attempting to reduce it to a single constant value. This is
> > useful when you want to know whether a va
On 09/12/2014 03:16 PM, Kenneth Graunke wrote:
> ir_rvalue::constant_expression_value() recursively walks down an IR
> tree, attempting to reduce it to a single constant value. This is
> useful when you want to know whether a variable has a constant
> expression value at all, and if so, what it is
Reviewed-by: Jordan Justen
On Fri, Sep 12, 2014 at 3:16 PM, Kenneth Graunke wrote:
> ir_rvalue::constant_expression_value() recursively walks down an IR
> tree, attempting to reduce it to a single constant value. This is
> useful when you want to know whether a variable has a constant
> express
ir_rvalue::constant_expression_value() recursively walks down an IR
tree, attempting to reduce it to a single constant value. This is
useful when you want to know whether a variable has a constant
expression value at all, and if so, what it is.
The constant folding optimization pass attempts to r
