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rust/tests/mir-opt/pre-codegen
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bors 9aa232ecc7 Auto merge of #120405 - cjgillot:gvn-pointer, r=oli-obk 
Fold pointer operations in GVN

This PR proposes 2 combinations of cast operations in MIR GVN:
- a chain of `PtrToPtr` or `MutToConstPointer` casts can be folded together into a single `PtrToPtr` cast;
- we attempt to evaluate more ptr ops when there is no provenance.

In particular, this allows to read from static slices.

This is not yet sufficient to see through slice operations that use `PtrComponents` (because that's a union), but still a step forward.

r? `@ghost`
2024-02-11 04:24:40 +00:00
..
chained_comparison.bitand.PreCodegen.after.mir
…
chained_comparison.naive.PreCodegen.after.mir
…
chained_comparison.returning.PreCodegen.after.mir
…
chained_comparison.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
checked_ops.checked_shl.PreCodegen.after.mir
Enable GVN by default.
2023-12-24 20:08:57 +00:00
checked_ops.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
checked_ops.step_forward.PreCodegen.after.mir
Enable by default.
2024-02-09 21:13:51 +00:00
duplicate_switch_targets.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
duplicate_switch_targets.ub_if_b.PreCodegen.after.mir
Bless/fix tests
2024-02-08 19:56:30 -05:00
intrinsics.f_u64.PreCodegen.after.mir
…
intrinsics.f_unit.PreCodegen.after.mir
…
intrinsics.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
issue_117368_print_invalid_constant.main.GVN.32bit.panic-abort.diff
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
issue_117368_print_invalid_constant.main.GVN.32bit.panic-unwind.diff
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
issue_117368_print_invalid_constant.main.GVN.64bit.panic-abort.diff
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
issue_117368_print_invalid_constant.main.GVN.64bit.panic-unwind.diff
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
issue_117368_print_invalid_constant.rs
Make ui into mir-opt test.
2023-11-01 16:49:18 +00:00
loops.filter_mapped.PreCodegen.after.mir
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
loops.int_range.PreCodegen.after.mir
Enable by default.
2024-02-09 21:13:51 +00:00
loops.mapped.PreCodegen.after.mir
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
loops.rs
Enable GVN by default.
2023-12-24 20:08:57 +00:00
loops.vec_move.PreCodegen.after.mir
…
matches_macro.issue_77355_opt.PreCodegen.after.mir
Remove ConstGoto and SeparateConstSwitch.
2024-02-09 21:13:53 +00:00
matches_macro.rs
Remove ConstGoto and SeparateConstSwitch.
2024-02-09 21:13:53 +00:00
mem_replace.manual_replace.PreCodegen.after.panic-abort.mir
Bless/fix tests
2024-02-08 19:56:30 -05:00
mem_replace.manual_replace.PreCodegen.after.panic-unwind.mir
Bless/fix tests
2024-02-08 19:56:30 -05:00
mem_replace.mem_replace.PreCodegen.after.panic-abort.mir
Bless/fix tests
2024-02-08 19:56:30 -05:00
mem_replace.mem_replace.PreCodegen.after.panic-unwind.mir
Bless/fix tests
2024-02-08 19:56:30 -05:00
mem_replace.rs
Bless/fix tests
2024-02-08 19:56:30 -05:00
optimizes_into_variable.main.GVN.32bit.panic-abort.diff
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
optimizes_into_variable.main.GVN.32bit.panic-unwind.diff
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
optimizes_into_variable.main.GVN.64bit.panic-abort.diff
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
optimizes_into_variable.main.GVN.64bit.panic-unwind.diff
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
optimizes_into_variable.main.PreCodegen.after.32bit.panic-abort.mir
…
optimizes_into_variable.main.PreCodegen.after.32bit.panic-unwind.mir
…
optimizes_into_variable.main.PreCodegen.after.64bit.panic-abort.mir
…
optimizes_into_variable.main.PreCodegen.after.64bit.panic-unwind.mir
…
optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff
Reorder early post-inlining passes.
2024-01-07 01:42:57 +00:00
optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff
Reorder early post-inlining passes.
2024-01-07 01:42:57 +00:00
optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff
Reorder early post-inlining passes.
2024-01-07 01:42:57 +00:00
optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff
Reorder early post-inlining passes.
2024-01-07 01:42:57 +00:00
optimizes_into_variable.main.SimplifyLocals-final.after.32bit.panic-abort.mir
…
optimizes_into_variable.main.SimplifyLocals-final.after.32bit.panic-unwind.mir
…
optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-abort.mir
…
optimizes_into_variable.main.SimplifyLocals-final.after.64bit.panic-unwind.mir
…
optimizes_into_variable.rs
Replace legacy ConstProp by GVN.
2023-12-24 20:08:57 +00:00
range_iter.forward_loop.PreCodegen.after.panic-abort.mir
Enable by default.
2024-02-09 21:13:51 +00:00
range_iter.forward_loop.PreCodegen.after.panic-unwind.mir
Enable by default.
2024-02-09 21:13:51 +00:00
range_iter.inclusive_loop.PreCodegen.after.panic-abort.mir
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
range_iter.inclusive_loop.PreCodegen.after.panic-unwind.mir
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
range_iter.range_inclusive_iter_next.PreCodegen.after.panic-abort.mir
…
range_iter.range_inclusive_iter_next.PreCodegen.after.panic-unwind.mir
…
range_iter.range_iter_next.PreCodegen.after.panic-abort.mir
Enable GVN by default.
2023-12-24 20:08:57 +00:00
range_iter.range_iter_next.PreCodegen.after.panic-unwind.mir
Enable GVN by default.
2023-12-24 20:08:57 +00:00
range_iter.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
README.md
…
simple_option_map.ezmap.PreCodegen.after.mir
Enable GVN by default.
2023-12-24 20:08:57 +00:00
simple_option_map.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
slice_filter.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
slice_filter.variant_a-{closure#0}.PreCodegen.after.mir
Avoid recording no-op replacements.
2024-01-07 13:54:05 +00:00
slice_filter.variant_b-{closure#0}.PreCodegen.after.mir
Enable GVN by default.
2023-12-24 20:08:57 +00:00
slice_index.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
slice_index.slice_get_mut_usize.PreCodegen.after.panic-abort.mir
Auto merge of #119672 - cjgillot:dse-sandwich, r=oli-obk
2024-01-16 11:34:16 +00:00
slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir
Auto merge of #119672 - cjgillot:dse-sandwich, r=oli-obk
2024-01-16 11:34:16 +00:00
slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_index.slice_index_range.PreCodegen.after.panic-abort.mir
Also consider call and yield as MIR SSA.
2023-10-08 16:05:26 +00:00
slice_index.slice_index_range.PreCodegen.after.panic-unwind.mir
Also consider call and yield as MIR SSA.
2023-10-08 16:05:26 +00:00
slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir
…
slice_index.slice_index_usize.PreCodegen.after.panic-unwind.mir
…
slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_iter.forward_loop.PreCodegen.after.panic-abort.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_iter.range_loop.PreCodegen.after.panic-abort.mir
Enable by default.
2024-02-09 21:13:51 +00:00
slice_iter.range_loop.PreCodegen.after.panic-unwind.mir
Enable by default.
2024-02-09 21:13:51 +00:00
slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir
Fold consecutive PtrToPtr casts.
2024-02-09 21:01:56 +00:00
slice_iter.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
slice_iter.slice_iter_mut_next_back.PreCodegen.after.panic-abort.mir
…
slice_iter.slice_iter_mut_next_back.PreCodegen.after.panic-unwind.mir
…
slice_iter.slice_iter_next.PreCodegen.after.panic-abort.mir
…
slice_iter.slice_iter_next.PreCodegen.after.panic-unwind.mir
…
spans.outer.PreCodegen.after.panic-abort.mir
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
spans.outer.PreCodegen.after.panic-unwind.mir
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
spans.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00
try_identity.new.PreCodegen.after.mir
Enable by default.
2024-02-09 21:13:51 +00:00
try_identity.old.PreCodegen.after.mir
Sandwich MIR optimizations between DSE.
2024-01-11 09:58:19 +00:00
try_identity.rs
Allow to run filecheck in mir-opt tests.
2023-10-19 15:51:52 +00:00

README.md

The goal of this directory is to track the quality of MIR that is given to codegen in a standard -O condiguration.

As such, feel free to --bless whatever changes you get here, so long as doing so doesn't add substantially more MIR.