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rust/tests/mir-opt/const_debuginfo.main.SingleUseConsts.diff

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Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- // MIR for `main` before SingleUseConsts
+ // MIR for `main` after SingleUseConsts
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
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fn main() -> () {
Remove comments from mir-opt MIR dumps
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let mut _0: ();
let _1: u8;
FileCheck const_debuginfo.
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let mut _5: u8;
let mut _6: u8;
let mut _7: u8;
let mut _8: u8;
let mut _14: u32;
let mut _15: u32;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 1 {
Remove comments from mir-opt MIR dumps
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- debug x => _1;
+ debug x => const 1_u8;
let _2: u8;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 2 {
Remove comments from mir-opt MIR dumps
2023-06-06 13:47:00 +00:00
- debug y => _2;
+ debug y => const 2_u8;
let _3: u8;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 3 {
Remove comments from mir-opt MIR dumps
2023-06-06 13:47:00 +00:00
- debug z => _3;
+ debug z => const 3_u8;
let _4: u8;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 4 {
Remove comments from mir-opt MIR dumps
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- debug sum => _4;
+ debug sum => const 6_u8;
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
let _9: &str;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 5 {
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
- debug s => _9;
Remove comments from mir-opt MIR dumps
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+ debug s => const "hello, world!";
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
let _10: (bool, bool, u32);
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 6 {
FileCheck const_debuginfo.
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debug f => _10;
let _11: std::option::Option<u16>;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 7 {
Replace legacy ConstProp by GVN.
2023-09-20 21:43:33 +00:00
- debug o => _11;
+ debug o => const Option::<u16>::Some(99_u16);
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
let _12: Point;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 8 {
FileCheck const_debuginfo.
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- debug p => _12;
+ debug p => const Point {{ x: 32_u32, y: 32_u32 }};
let _13: u32;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
scope 9 {
FileCheck const_debuginfo.
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- debug a => _13;
Remove comments from mir-opt MIR dumps
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+ debug a => const 64_u32;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
}
}
}
}
}
}
}
}
}
bb0: {
Replace legacy ConstProp by GVN.
2023-09-20 21:43:33 +00:00
nop;
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _1 = const 1_u8;
Replace legacy ConstProp by GVN.
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nop;
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _2 = const 2_u8;
Replace legacy ConstProp by GVN.
2023-09-20 21:43:33 +00:00
nop;
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _3 = const 3_u8;
+ nop;
+ nop;
+ nop;
Remove comments from mir-opt MIR dumps
2023-06-06 13:47:00 +00:00
StorageLive(_4);
Do not remove unused definitions inside GVN.
2023-09-16 17:13:30 +00:00
StorageLive(_5);
StorageLive(_6);
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _6 = const 1_u8;
+ nop;
Do not remove unused definitions inside GVN.
2023-09-16 17:13:30 +00:00
StorageLive(_7);
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _7 = const 2_u8;
- _5 = const 3_u8;
+ nop;
+ nop;
Do not remove unused definitions inside GVN.
2023-09-16 17:13:30 +00:00
StorageDead(_7);
StorageDead(_6);
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
StorageLive(_8);
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _8 = const 3_u8;
- _4 = const 6_u8;
+ nop;
+ nop;
Do not remove unused definitions inside GVN.
2023-09-16 17:13:30 +00:00
StorageDead(_8);
StorageDead(_5);
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
StorageLive(_9);
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _9 = const "hello, world!";
+ nop;
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
StorageLive(_10);
_10 = (const true, const false, const 123_u32);
StorageLive(_11);
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _11 = const Option::<u16>::Some(99_u16);
+ nop;
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
StorageLive(_12);
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _12 = const Point {{ x: 32_u32, y: 32_u32 }};
+ nop;
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
StorageLive(_13);
Replace legacy ConstProp by GVN.
2023-09-20 21:43:33 +00:00
nop;
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _14 = const 32_u32;
+ nop;
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
StorageLive(_15);
Delete `ConstDebugInfo` pass
2024-06-10 06:47:41 +00:00
- _15 = const 32_u32;
- _13 = const 64_u32;
+ nop;
+ nop;
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
StorageDead(_15);
Replace legacy ConstProp by GVN.
2023-09-20 21:43:33 +00:00
nop;
FileCheck const_debuginfo.
2023-10-18 17:30:28 +00:00
_0 = const ();
StorageDead(_13);
StorageDead(_12);
StorageDead(_11);
StorageDead(_10);
StorageDead(_9);
Remove comments from mir-opt MIR dumps
2023-06-06 13:47:00 +00:00
StorageDead(_4);
Replace legacy ConstProp by GVN.
2023-09-20 21:43:33 +00:00
nop;
nop;
nop;
Remove comments from mir-opt MIR dumps
2023-06-06 13:47:00 +00:00
return;
[mir-opt] Allow debuginfo to be generated for a constant or a Place Prior to this commit, debuginfo was always generated by mapping a name to a Place. This has the side-effect that `SimplifyLocals` cannot remove locals that are only used for debuginfo because their other uses have been const-propagated. To allow these locals to be removed, we now allow debuginfo to point to a constant value. The `ConstProp` pass detects when debuginfo points to a local with a known constant value and replaces it with the value. This allows the later `SimplifyLocals` pass to remove the local.
2020-05-30 19:02:32 +00:00
}
}
Bless mir-opt for excluded alloc bytes
2024-06-14 23:05:22 +00:00
ALLOC0 (size: 8, align: 4) { .. }
Use a ConstValue instead.
2023-09-17 09:35:06 +00:00
Bless mir-opt for excluded alloc bytes
2024-06-14 23:05:22 +00:00
ALLOC1 (size: 4, align: 2) { .. }
Replace legacy ConstProp by GVN.
2023-09-20 21:43:33 +00:00
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