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14 changes: 14 additions & 0 deletions
14
src/test/mir-opt/dead-store-elimination/constant-local-debuginfo.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| // compile-flags: -Zmir-opt-level=2 | ||
| // mir-opt-level is fixed at 2 because that's the max level that can be set on stable | ||
| // EMIT_MIR constant_local_debuginfo.main.DeadStoreElimination.diff | ||
| fn main() { | ||
| let a = 1; | ||
| let b = 4; | ||
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| foo(a + b); | ||
| } | ||
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| #[inline(never)] | ||
| fn foo(x: i32) { | ||
| std::process::exit(x); | ||
| } |
52 changes: 52 additions & 0 deletions
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...st/mir-opt/dead-store-elimination/constant_local_debuginfo.main.DeadStoreElimination.diff
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| - // MIR for `main` before DeadStoreElimination | ||
| + // MIR for `main` after DeadStoreElimination | ||
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| fn main() -> () { | ||
| let mut _0: (); // return place in scope 0 at $DIR/constant-local-debuginfo.rs:+0:11: +0:11 | ||
| let _1: i32; // in scope 0 at $DIR/constant-local-debuginfo.rs:+1:9: +1:10 | ||
| let _3: (); // in scope 0 at $DIR/constant-local-debuginfo.rs:+4:5: +4:15 | ||
| let mut _4: i32; // in scope 0 at $DIR/constant-local-debuginfo.rs:+4:9: +4:14 | ||
| let mut _5: i32; // in scope 0 at $DIR/constant-local-debuginfo.rs:+4:9: +4:10 | ||
| let mut _6: i32; // in scope 0 at $DIR/constant-local-debuginfo.rs:+4:13: +4:14 | ||
| scope 1 { | ||
| debug a => _1; // in scope 1 at $DIR/constant-local-debuginfo.rs:+1:9: +1:10 | ||
| let _2: i32; // in scope 1 at $DIR/constant-local-debuginfo.rs:+2:9: +2:10 | ||
| scope 2 { | ||
| debug b => _2; // in scope 2 at $DIR/constant-local-debuginfo.rs:+2:9: +2:10 | ||
| } | ||
| } | ||
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| bb0: { | ||
| StorageLive(_1); // scope 0 at $DIR/constant-local-debuginfo.rs:+1:9: +1:10 | ||
| - _1 = const 1_i32; // scope 0 at $DIR/constant-local-debuginfo.rs:+1:13: +1:14 | ||
| + nop; // scope 0 at $DIR/constant-local-debuginfo.rs:+1:13: +1:14 | ||
| StorageLive(_2); // scope 1 at $DIR/constant-local-debuginfo.rs:+2:9: +2:10 | ||
| - _2 = const 4_i32; // scope 1 at $DIR/constant-local-debuginfo.rs:+2:13: +2:14 | ||
| + nop; // scope 1 at $DIR/constant-local-debuginfo.rs:+2:13: +2:14 | ||
| StorageLive(_3); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:5: +4:15 | ||
| StorageLive(_4); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:9: +4:14 | ||
| StorageLive(_5); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:9: +4:10 | ||
| - _5 = const 1_i32; // scope 2 at $DIR/constant-local-debuginfo.rs:+4:9: +4:10 | ||
| + nop; // scope 2 at $DIR/constant-local-debuginfo.rs:+4:9: +4:10 | ||
| StorageLive(_6); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:13: +4:14 | ||
| - _6 = const 4_i32; // scope 2 at $DIR/constant-local-debuginfo.rs:+4:13: +4:14 | ||
| + nop; // scope 2 at $DIR/constant-local-debuginfo.rs:+4:13: +4:14 | ||
| _4 = const 5_i32; // scope 2 at $DIR/constant-local-debuginfo.rs:+4:9: +4:14 | ||
| StorageDead(_6); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:13: +4:14 | ||
| StorageDead(_5); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:13: +4:14 | ||
| _3 = foo(move _4) -> bb1; // scope 2 at $DIR/constant-local-debuginfo.rs:+4:5: +4:15 | ||
| // mir::Constant | ||
| // + span: $DIR/constant-local-debuginfo.rs:8:5: 8:8 | ||
| // + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) } | ||
| } | ||
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| bb1: { | ||
| StorageDead(_4); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:14: +4:15 | ||
| StorageDead(_3); // scope 2 at $DIR/constant-local-debuginfo.rs:+4:15: +4:16 | ||
| nop; // scope 0 at $DIR/constant-local-debuginfo.rs:+0:11: +5:2 | ||
| StorageDead(_2); // scope 1 at $DIR/constant-local-debuginfo.rs:+5:1: +5:2 | ||
| StorageDead(_1); // scope 0 at $DIR/constant-local-debuginfo.rs:+5:1: +5:2 | ||
| return; // scope 0 at $DIR/constant-local-debuginfo.rs:+5:2: +5:2 | ||
| } | ||
| } | ||
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