diff options
| author | Timothy Arceri <[email protected]> | 2017-09-05 15:59:07 +1000 |
|---|---|---|
| committer | Timothy Arceri <[email protected]> | 2017-10-10 10:05:37 +1100 |
| commit | ab23b759f241a4e2247efa28bd28a5f20149c70b (patch) | |
| tree | 949b51f7e99fb7eec1116ebea4eabc8746cbb283 /src/compiler/glsl/loop_analysis.h | |
| parent | c63ce5c95d03f300be4a0f4b09e1d0cbc90e554e (diff) | |
glsl: don't drop instructions from unreachable terminators continue branch
These instructions will be executed on every iteration of the loop
we cannot drop them.
V2:
- move removal of unreachable terminators from the terminator list
to the same place they are removed from the IR as suggested by
Nicolai.
Reviewed-by: Nicolai Hähnle <[email protected]>
Tested-by: Dieter Nützel <[email protected]>
Diffstat (limited to 'src/compiler/glsl/loop_analysis.h')
| -rw-r--r-- | src/compiler/glsl/loop_analysis.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/glsl/loop_analysis.h b/src/compiler/glsl/loop_analysis.h index 8f824046945..99b6bf75638 100644 --- a/src/compiler/glsl/loop_analysis.h +++ b/src/compiler/glsl/loop_analysis.h @@ -34,6 +34,13 @@ extern class loop_state * analyze_loop_variables(exec_list *instructions); +static inline bool +is_break(ir_instruction *ir) +{ + return ir != NULL && ir->ir_type == ir_type_loop_jump && + ((ir_loop_jump *) ir)->is_break(); +} + extern bool unroll_loops(exec_list *instructions, loop_state *ls, |