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Test debuginfo of different var liveness in generators

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This commit is contained in:
Tyler Mandry 2019-03-21 14:35:54 -07:00
parent 52e4407d46
commit 9e06f25200
1 changed files with 49 additions and 4 deletions
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53
src/test/debuginfo/generators.rs
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@ -7,8 +7,22 @@
// gdb-command:run
// gdb-command:print a
// gdb-check:$1 = 5
// gdb-command:print d
// gdb-command:print c
// gdb-check:$2 = 6
// gdb-command:print d
// gdb-check:$3 = 7
// gdb-command:continue
// gdb-command:print a
// gdb-check:$4 = 7
// gdb-command:print c
// gdb-check:$5 = 6
// gdb-command:print e
// gdb-check:$6 = 8
// gdb-command:continue
// gdb-command:print a
// gdb-check:$7 = 8
// gdb-command:print c
// gdb-check:$8 = 6
// === LLDB TESTS ==================================================================================
@ -16,9 +30,29 @@
// lldb-command:print a
// lldbg-check:(int) $0 = 5
// lldbr-check:(int) a = 5
// lldb-command:print d
// lldb-command:print c
// lldbg-check:(int) $1 = 6
// lldbr-check:(int) d = 6
// lldbr-check:(int) c = 6
// lldb-command:print d
// lldbg-check:(int) $2 = 7
// lldbr-check:(int) d = 7
// lldb-command:continue
// lldb-command:print a
// lldbg-check:(int) $3 = 7
// lldbr-check:(int) a = 7
// lldb-command:print c
// lldbg-check:(int) $4 = 6
// lldbr-check:(int) c = 6
// lldb-command:print e
// lldbg-check:(int) $5 = 8
// lldbr-check:(int) e = 8
// lldb-command:continue
// lldb-command:print a
// lldbg-check:(int) $6 = 8
// lldbr-check:(int) a = 8
// lldb-command:print c
// lldbg-check:(int) $7 = 6
// lldbr-check:(int) c = 6
#![feature(omit_gdb_pretty_printer_section, generators, generator_trait)]
#![omit_gdb_pretty_printer_section]
@ -29,13 +63,24 @@ use std::pin::Pin;
fn main() {
let mut a = 5;
let mut b = || {
let d = 6;
let c = 6; // Live across multiple yield points
let d = 7; // Live across only one yield point
yield;
_zzz(); // #break
a = d;
let e = 8; // Live across zero yield points
_zzz(); // #break
a = e;
yield;
_zzz(); // #break
a = c;
};
Pin::new(&mut b).resume();
Pin::new(&mut b).resume();
Pin::new(&mut b).resume();
_zzz(); // #break
}