Add debuginfo test.

tests/debuginfo/reference-debuginfo.rs

@@ -0,0 +1,165 @@
+// Copy of `borrowed-basic.rs` which enables the `ReferencePropagation` MIR pass.
+// That pass replaces debuginfo for `a => _x` where `_x = &b` to be `a => &b`,
+// and leaves codegen to create a ladder of allocations so as `*a == b`.
+//
+// compile-flags:-g -Zmir-enable-passes=+ReferencePropagation,-ConstDebugInfo
+// min-lldb-version: 310
+
+// === GDB TESTS ===================================================================================
+
+// gdb-command:run
+// gdb-command:print *bool_ref
+// gdb-check:$1 = true
+
+// gdb-command:print *int_ref
+// gdb-check:$2 = -1
+
+// gdb-command:print/d *char_ref
+// gdb-check:$3 = 97
+
+// gdb-command:print *i8_ref
+// gdbg-check:$4 = 68 'D'
+// gdbr-check:$4 = 68
+
+// gdb-command:print *i16_ref
+// gdb-check:$5 = -16
+
+// gdb-command:print *i32_ref
+// gdb-check:$6 = -32
+
+// gdb-command:print *i64_ref
+// gdb-check:$7 = -64
+
+// gdb-command:print *uint_ref
+// gdb-check:$8 = 1
+
+// gdb-command:print *u8_ref
+// gdbg-check:$9 = 100 'd'
+// gdbr-check:$9 = 100
+
+// gdb-command:print *u16_ref
+// gdb-check:$10 = 16
+
+// gdb-command:print *u32_ref
+// gdb-check:$11 = 32
+
+// gdb-command:print *u64_ref
+// gdb-check:$12 = 64
+
+// gdb-command:print *f32_ref
+// gdb-check:$13 = 2.5
+
+// gdb-command:print *f64_ref
+// gdb-check:$14 = 3.5
+
+
+// === LLDB TESTS ==================================================================================
+
+// lldb-command:run
+// lldb-command:print *bool_ref
+// lldbg-check:[...]$0 = true
+// lldbr-check:(bool) *bool_ref = true
+
+// lldb-command:print *int_ref
+// lldbg-check:[...]$1 = -1
+// lldbr-check:(isize) *int_ref = -1
+
+// NOTE: only rust-enabled lldb supports 32bit chars
+// lldbr-command:print *char_ref
+// lldbr-check:(char) *char_ref = 'a'
+
+// lldb-command:print *i8_ref
+// lldbg-check:[...]$2 = 'D'
+// lldbr-check:(i8) *i8_ref = 68
+
+// lldb-command:print *i16_ref
+// lldbg-check:[...]$3 = -16
+// lldbr-check:(i16) *i16_ref = -16
+
+// lldb-command:print *i32_ref
+// lldbg-check:[...]$4 = -32
+// lldbr-check:(i32) *i32_ref = -32
+
+// lldb-command:print *i64_ref
+// lldbg-check:[...]$5 = -64
+// lldbr-check:(i64) *i64_ref = -64
+
+// lldb-command:print *uint_ref
+// lldbg-check:[...]$6 = 1
+// lldbr-check:(usize) *uint_ref = 1
+
+// lldb-command:print *u8_ref
+// lldbg-check:[...]$7 = 'd'
+// lldbr-check:(u8) *u8_ref = 100
+
+// lldb-command:print *u16_ref
+// lldbg-check:[...]$8 = 16
+// lldbr-check:(u16) *u16_ref = 16
+
+// lldb-command:print *u32_ref
+// lldbg-check:[...]$9 = 32
+// lldbr-check:(u32) *u32_ref = 32
+
+// lldb-command:print *u64_ref
+// lldbg-check:[...]$10 = 64
+// lldbr-check:(u64) *u64_ref = 64
+
+// lldb-command:print *f32_ref
+// lldbg-check:[...]$11 = 2.5
+// lldbr-check:(f32) *f32_ref = 2.5
+
+// lldb-command:print *f64_ref
+// lldbg-check:[...]$12 = 3.5
+// lldbr-check:(f64) *f64_ref = 3.5
+
+#![allow(unused_variables)]
+#![feature(omit_gdb_pretty_printer_section)]
+#![omit_gdb_pretty_printer_section]
+
+fn main() {
+    let bool_val: bool = true;
+    let bool_ref: &bool = &bool_val;
+
+    let int_val: isize = -1;
+    let int_ref: &isize = &int_val;
+
+    let char_val: char = 'a';
+    let char_ref: &char = &char_val;
+
+    let i8_val: i8 = 68;
+    let i8_ref: &i8 = &i8_val;
+
+    let i16_val: i16 = -16;
+    let i16_ref: &i16 = &i16_val;
+
+    let i32_val: i32 = -32;
+    let i32_ref: &i32 = &i32_val;
+
+    let i64_val: i64 = -64;
+    let i64_ref: &i64 = &i64_val;
+
+    let uint_val: usize = 1;
+    let uint_ref: &usize = &uint_val;
+
+    let u8_val: u8 = 100;
+    let u8_ref: &u8 = &u8_val;
+
+    let u16_val: u16 = 16;
+    let u16_ref: &u16 = &u16_val;
+
+    let u32_val: u32 = 32;
+    let u32_ref: &u32 = &u32_val;
+
+    let u64_val: u64 = 64;
+    let u64_ref: &u64 = &u64_val;
+
+    let f32_val: f32 = 2.5;
+    let f32_ref: &f32 = &f32_val;
+
+    let f64_val: f64 = 3.5;
+    let f64_ref: &f64 = &f64_val;
+
+    zzz(); // #break
+}
+
+fn zzz() {()}