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* Restrict subtraction zero peepholes to integer operandspr254-fixesCliff Click2026-09-253-5/+21
| | | | | | Require resolved integer mode in chapter 25 so zero subtraction preserves floating-point signed zero. Keep nonnumeric operands in the graph for subtraction diagnostics. Add signed-zero coverage from chapter 12 and null-subtraction diagnostics from chapter 22. Confirmed the regressions fail on the original PR. Full Make suites pass in chapters 4-25 (5462 tests), including fresh chapter 25 sys.o compilation.
* Add testsfuhsnn2026-09-251-0/+28
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* Extend and backport SubNode peepholefuhsnn2026-09-251-4/+15
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* Bunch better layout optionsCliff Click2026-09-241-1/+3
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* Keyboard shortcutsCliff Click2026-09-235-5/+33
| | | | | Fast forward/reverse, pick-a-frame. Shorter type names.
* Graph cleanupCliff Click2026-09-222-2/+4
| | | | Phis stay with regions, stop sinks to bottom,
* Tidy up scope displayCliff Click2026-09-221-1/+1
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* Add shared graph viewer to all chaptersCliff Click2026-09-2230-395/+27
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* Graph viewer on ch4 and25Cliff Click2026-09-224-370/+18
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* Switch over to the new ELK driverCliff Click2026-09-217-77/+170
| | | | Interact between compiler & browser now hooks several nbew places.
* Switch over to the ELK rendererCliff Click2026-09-211-337/+4
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* Change protocol between compiler and browserCliff Click2026-09-212-20/+34
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* Define a new graph interaction APICliff Click2026-09-213-0/+84
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* move the graph visualizer into shared codeCliff Click2026-09-217-2293/+125
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* Final reg-alloc across chapters cleanupCliff Click2026-09-2083-30/+1486
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* Split self-conflict phis once at a loop headCliff Click2026-09-203-1/+31
| | | | if this works, saves a copy-per-loop. If it fails, next round split as normal
* Popular use grouping for RegAllocCliff Click2026-09-208-66/+210
| | | | Fix arm BL encodings; ADD/SUB with reversed sign.
* Forward-port allocator bug fixes and test support through ch25Cliff Click2026-09-2013-31/+268
| | | | Improved spilling
* Add back copy coaleascing in ch21Cliff Click2026-09-203-3/+34
| | | | Minor arm encoding fix.
* Backport TypeFunPtr normalizationCliff Click2026-09-201-0/+8
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* Unify GCM across chaptersCliff Click2026-09-2010-186/+117
| | | | | | Remove the _anti field. Remove the isPinned() call. Add a copyEmpty call.
* Unify mixed-return checking and resultsCliff Click2026-09-1915-50/+92
| | | | Unify dominator caching.
* Use isDead() instead of checking null inputsCliff Click2026-09-191-8/+8
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* Fixed st8 on arm/risc evalsCliff Click2026-09-193-2/+30
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* debug printers no longer call self-optimizing accessorsCliff Click2026-09-1920-25/+272
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* Handle r/w <clinit> sectionsCliff Click2026-09-197-32/+144
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* Tighter recursive-struct testCliff Click2026-09-191-0/+21
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* Handle double-negation preserving not-null knowledgeCliff Click2026-09-192-2/+68
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* Backport string escapes and many op-assignCliff Click2026-09-172-7/+113
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* Get makefiles and fuzzer testing uniform across chaptersCliff Click2026-09-172-86/+127
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* Fix phi wideningCliff Click2026-09-172-6/+4
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* up timeoutsCliff Click2026-09-166-5/+8
| | | | add deps on dominance crawls
* Update FuzzerWrap.javaCliff Click2026-09-141-1/+1
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* Handle dying escapenodeCliff Click2026-09-142-1/+19
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* Update FuzzerWrap.javaCliff Click2026-09-141-1/+1
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* Update FuzzerWrap.javaCliff Click2026-09-141-1/+2
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* Fix parser lifetime bugCliff Click2026-09-142-9/+5
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* int-only ops force inputs to be int-onlyCliff Click2026-09-1411-19/+52
| | | | | Lest an int-only op, having lifted result types to int, get a zero-fold (e.g. X^0) to their mode-not-set input and have types fall. Handle idepth-cache overflow
* Refinement on guard removalCliff Click2026-09-144-9/+18
| | | | | Fix keep/unkeep balance. Always fuzz small.
* Do BulkMemPhi splits one by oneCliff Click2026-09-133-113/+41
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* Resolve numeric needs more OptoCliff Click2026-09-139-16/+32
| | | | | | Missing Arith mode picks high or low according to pre/post Opto FunPtr improves sig return based on Opto return type. Minus with missing mode is optimistic, same as Arith
* A few missing addDepsCliff Click2026-09-1312-75/+160
| | | | | | | IterPeeps cnt does not reset. Faster schedulableIses, reuses ID Map. Test in Iter work if not GVN table ScheduableUses peeks through folding/dead Call/Fun
* Major bugfix around unscheduable graphsCliff Click2026-09-127-29/+268
| | | | | | | | Robust assert about all data ops are schedulable. Utiltiies for several places domionator-like stuff is used. Removing a Phi with matching null/not-null values is now more robust; removes a major source if scheduling misalignment. Big comments about what gets covered by a null check, or not. Permanent list of fuzzer seeds that used to fail
* More robust on broken inputsCliff Click2026-09-117-7/+37
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* Fix OR of 0Cliff Click2026-09-111-1/+1
| | | | Allowed only if the replacement does not fall, will be lifted by OR to an TypeInteger
* Removing a phi-of-guard, remove nested guardsCliff Click2026-09-112-3/+9
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* Update LoadNode.javaCliff Click2026-09-111-2/+1
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* typoCliff Click2026-09-111-1/+1
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* Optional reset Types so Fuzzer can work.Cliff Click2026-09-1110-41/+47
| | | | FunNodes never GVN.
* More code coverage cleanupCliff Click2026-09-104-99/+62
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