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authorTimothy Arceri <[email protected]>2018-06-01 15:37:27 +1000
committerTimothy Arceri <[email protected]>2018-06-07 11:33:04 +1000
commit1098bc5e854a1253e050fa30d16eda6ca676d4b3 (patch)
tree199e0c8de2e0e279584f7d44626c68615a61bd8f /src/compiler/nir/nir_loop_analyze.h
parent186988e28f9fe31ad4d08626586d5167051a14e7 (diff)
nir: move ends_in_break() helper to nir_loop_analyze.h
We will use the helper while simplifying potential loop terminators in the following patch. Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/compiler/nir/nir_loop_analyze.h')
-rw-r--r--src/compiler/nir/nir_loop_analyze.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_loop_analyze.h b/src/compiler/nir/nir_loop_analyze.h
index 18c23051717..7b4ed66ee58 100644
--- a/src/compiler/nir/nir_loop_analyze.h
+++ b/src/compiler/nir/nir_loop_analyze.h
@@ -92,4 +92,15 @@ nir_is_trivial_loop_if(nir_if *nif, nir_block *break_block)
return true;
}
+static inline bool
+nir_block_ends_in_break(nir_block *block)
+{
+ if (exec_list_is_empty(&block->instr_list))
+ return false;
+
+ nir_instr *instr = nir_block_last_instr(block);
+ return instr->type == nir_instr_type_jump &&
+ nir_instr_as_jump(instr)->type == nir_jump_break;
+}
+
#endif /* NIR_LOOP_ANALYZE_H */