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glsl: fix lowering conditional returns in subroutines

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this fix applies to the lower_sub_return 'branch' of the lower_jumps pass

Fixes piglit tests glsl-functions-5 and glsl-functions-6.
This commit is contained in:
Fabian Bieler 2010-12-01 14:44:58 +01:00 • committed by Kenneth Graunke
parent 834cc8e501
commit ef534f3838
1 changed files with 5 additions and 1 deletions
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6
src/glsl/lower_jumps.cpp
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@ -512,7 +512,11 @@ lower_continue:
if(this->loop.may_set_return_flag) {
assert(this->function.return_flag);
ir_if* return_if = new(ir) ir_if(new(ir) ir_dereference_variable(this->function.return_flag));
return_if->then_instructions.push_tail(new(ir) ir_loop_jump(saved_loop.loop ? ir_loop_jump::jump_break : ir_loop_jump::jump_continue));
saved_loop.may_set_return_flag = true;
if(saved_loop.loop)
return_if->then_instructions.push_tail(new(ir) ir_loop_jump(ir_loop_jump::jump_break));
else
move_outer_block_inside(ir, &return_if->else_instructions);
ir->insert_after(return_if);
}