OpenHarmony/third_party_mesa3d
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2 Commits

Author SHA1 Message Date
Eric Anholt
42cab131da glsl2: Convert ir_constant_propagation to ir_rvalue_visitor. 
This one is a little tricky because of the LHS handling.
 2010-08-13 17:54:47 -07:00
Eric Anholt
8bebbeb7c5 glsl2: Add constant propagation. 
Whereas constant folding evaluates constant expressions at rvalue
nodes, constant propagation tracks constant components of vectors
across execution to replace (possibly swizzled) variable dereferences
with constant values, triggering possible constant folding or reduced
variable liveness.
 2010-08-09 19:21:18 -07:00