diff options
author | Eric Anholt <eric@anholt.net> | 2010-04-06 11:11:05 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2010-04-06 11:42:34 -0700 |
commit | bae5be356eef9efd893e8937d11ecb1b5f3feee6 (patch) | |
tree | cfe19a3e91a42ebf05b313431d10ecffb08bdb6a /ir_constant_folding.cpp | |
parent | af18641f0a9f717fdeab8d3e94c1df93b48c4d30 (diff) |
Perform constant folding on array indices.
Replaces a constant var deref with a constant value in CorrectParse1.frag.
Diffstat (limited to 'ir_constant_folding.cpp')
-rw-r--r-- | ir_constant_folding.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/ir_constant_folding.cpp b/ir_constant_folding.cpp index b9dee37edf..006eb5ffcf 100644 --- a/ir_constant_folding.cpp +++ b/ir_constant_folding.cpp @@ -88,7 +88,14 @@ ir_constant_folding_visitor::visit(ir_swizzle *ir) void ir_constant_folding_visitor::visit(ir_dereference *ir) { - (void) ir; + if (ir->mode == ir_dereference::ir_reference_array) { + ir_constant *const_val = ir->selector.array_index->constant_expression_value(); + if (const_val) + ir->selector.array_index = const_val; + else + ir->selector.array_index->accept(this); + } + ir->var->accept(this); } |