8abfe928d6
* Rework the blockorder module to reuse the dom tree's cfg postorder * Update domtree tests * Treat br_table with an empty jump table as multiple block exits * Bless tests * Change branch_idx to succ_idx and fix the comment
110 lines
2.4 KiB
Plaintext
110 lines
2.4 KiB
Plaintext
test domtree
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function %test(i32) {
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block0(v0: i32):
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brif v0, block2, block1 ; dominates: block1 block2 block3 block4 block5
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block1:
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jump block3
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block2:
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brif v0, block5, block4
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block3:
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jump block4
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block4:
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brif v0, block5, block3
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block5:
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brif v0, block6, block4 ; dominates: block6
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block6:
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return
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}
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; Fall-through-first, prune-at-source DFT:
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;
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; block0 {
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; block0:brif v0, block1 {
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; block0:jump block2 {
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; block2 {
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; block2:brif v2, block2 -
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; block2:brif v3, block1 -
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; block2:brif v4, block4 {
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; block2: jump block5 {
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; block5: jump block6 {
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; block6 {}
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; }
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; }
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; block4 {}
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; }
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; } block2
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; }
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; block1 {
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; block1:jump block3 {
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; block3 {}
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; }
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; } block1
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; }
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; } block0
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;
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; check: cfg_postorder:
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; sameln: block6
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; sameln: block3
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; sameln: block4
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; sameln: block5
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; sameln: block2
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; sameln: block1
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; sameln: block0
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; check: domtree_preorder {
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; nextln: block0: block1 block2 block5 block4 block3
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; nextln: block1:
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; nextln: block2:
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; nextln: block5: block6
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; nextln: block6:
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; nextln: block4:
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; nextln: block3:
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; nextln: }
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function %loop2(i32) system_v {
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block0(v0: i32):
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brif v0, block2, block1 ; dominates: block2 block1 block3 block4 block5
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block1:
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jump block3
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block2:
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brif v0, block5, block4
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block3:
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jump block4
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block4:
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brif v0, block8, block3 ; dominates: block8
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block8:
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brif v0, block5, block6 ; dominates: block6
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block5:
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brif v0, block9, block4 ; dominates: block9
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block9:
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trap user0
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block6:
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jump block7 ; dominates: block7
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block7:
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return
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}
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; check: cfg_postorder:
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; sameln: block9
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; sameln: block7
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; sameln: block6
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; sameln: block8
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; sameln: block3
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; sameln: block4
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; sameln: block5
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; sameln: block2
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; sameln: block1
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; sameln: block0
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; check: domtree_preorder {
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; nextln: block0: block1 block2 block5 block4 block3
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; nextln: block1:
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; nextln: block2:
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; nextln: block5: block9
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; nextln: block9:
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; nextln: block4: block8
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; nextln: block8: block6
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; nextln: block6: block7
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; nextln: block7:
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; nextln: block3:
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; nextln: }
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