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remove old _slang_gen_if()

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Brian 2007-02-23 09:38:46 -07:00
parent afbf7c7e6b
commit c18c75b0b7
1 changed files with 0 additions and 52 deletions
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52
src/mesa/shader/slang/slang_codegen.c
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@ -1439,58 +1439,6 @@ _slang_gen_for(slang_assemble_ctx * A, const slang_operation *oper)
}
#if 0
/**
* Generate IR tree for an if/then/else conditional using BRAnch instructions.
*/
static slang_ir_node *
_slang_gen_if(slang_assemble_ctx * A, const slang_operation *oper)
{
/*
* eval expr (child[0]), updating condcodes
* branch if false to _else or _endif
* "true" code block
* if haveElseClause clause:
* jump "__endif"
* label "__else"
* "false" code block
* label "__endif"
*/
const GLboolean haveElseClause = !_slang_is_noop(&oper->children[2]);
slang_ir_node *cond, *bra, *trueBody, *endifLab, *tree;
slang_atom elseAtom = slang_atom_pool_gen(A->atoms, "__else");
slang_atom endifAtom = slang_atom_pool_gen(A->atoms, "__endif");
cond = _slang_gen_operation(A, &oper->children[0]);
cond = new_cond(cond);
/*assert(cond->Store);*/
bra = new_cjump(haveElseClause ? elseAtom : endifAtom, 0);
tree = new_seq(cond, bra);
trueBody = _slang_gen_operation(A, &oper->children[1]);
tree = new_seq(tree, trueBody);
if (haveElseClause) {
/* else clause */
slang_ir_node *jump, *elseLab, *falseBody;
jump = new_jump(endifAtom);
tree = new_seq(tree, jump);
elseLab = new_label(elseAtom);
tree = new_seq(tree, elseLab);
falseBody = _slang_gen_operation(A, &oper->children[2]);
tree = new_seq(tree, falseBody);
}
endifLab = new_label(endifAtom);
tree = new_seq(tree, endifLab);
return tree;
}
#endif
/**
* Determine if the given operation is of a specific type.
*/