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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/mir-opt/deref-patterns | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/deref-patterns')
-rw-r--r-- | tests/mir-opt/deref-patterns/string.foo.PreCodegen.after.mir | 74 | ||||
-rw-r--r-- | tests/mir-opt/deref-patterns/string.rs | 12 |
2 files changed, 86 insertions, 0 deletions
diff --git a/tests/mir-opt/deref-patterns/string.foo.PreCodegen.after.mir b/tests/mir-opt/deref-patterns/string.foo.PreCodegen.after.mir new file mode 100644 index 000000000..9597a0c83 --- /dev/null +++ b/tests/mir-opt/deref-patterns/string.foo.PreCodegen.after.mir @@ -0,0 +1,74 @@ +// MIR for `foo` after PreCodegen + +fn foo(_1: Option<String>) -> i32 { + debug s => _1; // in scope 0 at $DIR/string.rs:+0:12: +0:13 + let mut _0: i32; // return place in scope 0 at $DIR/string.rs:+0:34: +0:37 + let mut _2: &std::string::String; // in scope 0 at $DIR/string.rs:+2:14: +2:17 + let mut _3: &str; // in scope 0 at $DIR/string.rs:+2:14: +2:17 + let mut _4: bool; // in scope 0 at $DIR/string.rs:+2:14: +2:17 + let mut _5: isize; // in scope 0 at $DIR/string.rs:+2:9: +2:18 + let _6: std::option::Option<std::string::String>; // in scope 0 at $DIR/string.rs:+3:9: +3:10 + let mut _7: bool; // in scope 0 at $DIR/string.rs:+5:1: +5:2 + scope 1 { + debug s => _6; // in scope 1 at $DIR/string.rs:+3:9: +3:10 + } + + bb0: { + _7 = const false; // scope 0 at $DIR/string.rs:+1:11: +1:12 + _7 = const true; // scope 0 at $DIR/string.rs:+1:11: +1:12 + _5 = discriminant(_1); // scope 0 at $DIR/string.rs:+1:11: +1:12 + switchInt(move _5) -> [1: bb2, otherwise: bb1]; // scope 0 at $DIR/string.rs:+1:5: +1:12 + } + + bb1: { + StorageLive(_6); // scope 0 at $DIR/string.rs:+3:9: +3:10 + _7 = const false; // scope 0 at $DIR/string.rs:+3:9: +3:10 + _6 = move _1; // scope 0 at $DIR/string.rs:+3:9: +3:10 + _0 = const 4321_i32; // scope 1 at $DIR/string.rs:+3:14: +3:18 + drop(_6) -> bb6; // scope 0 at $DIR/string.rs:+3:17: +3:18 + } + + bb2: { + _2 = &((_1 as Some).0: std::string::String); // scope 0 at $DIR/string.rs:+2:14: +2:17 + _3 = <String as Deref>::deref(move _2) -> bb3; // scope 0 at $DIR/string.rs:+2:14: +2:17 + // mir::Constant + // + span: $DIR/string.rs:9:14: 9:17 + // + literal: Const { ty: for<'a> fn(&'a String) -> &'a <String as Deref>::Target {<String as Deref>::deref}, val: Value(<ZST>) } + } + + bb3: { + _4 = <str as PartialEq>::eq(_3, const "a") -> bb4; // scope 0 at $DIR/string.rs:+2:14: +2:17 + // mir::Constant + // + span: $DIR/string.rs:9:14: 9:17 + // + literal: Const { ty: for<'a, 'b> fn(&'a str, &'b str) -> bool {<str as PartialEq>::eq}, val: Value(<ZST>) } + // mir::Constant + // + span: $DIR/string.rs:9:14: 9:17 + // + literal: Const { ty: &str, val: Value(Slice(..)) } + } + + bb4: { + switchInt(move _4) -> [0: bb1, otherwise: bb5]; // scope 0 at $DIR/string.rs:+2:14: +2:17 + } + + bb5: { + _0 = const 1234_i32; // scope 0 at $DIR/string.rs:+2:22: +2:26 + goto -> bb9; // scope 0 at $DIR/string.rs:+2:22: +2:26 + } + + bb6: { + StorageDead(_6); // scope 0 at $DIR/string.rs:+3:17: +3:18 + goto -> bb9; // scope 0 at $DIR/string.rs:+3:17: +3:18 + } + + bb7: { + return; // scope 0 at $DIR/string.rs:+5:2: +5:2 + } + + bb8: { + drop(_1) -> bb7; // scope 0 at $DIR/string.rs:+5:1: +5:2 + } + + bb9: { + switchInt(_7) -> [0: bb7, otherwise: bb8]; // scope 0 at $DIR/string.rs:+5:1: +5:2 + } +} diff --git a/tests/mir-opt/deref-patterns/string.rs b/tests/mir-opt/deref-patterns/string.rs new file mode 100644 index 000000000..3a99c44aa --- /dev/null +++ b/tests/mir-opt/deref-patterns/string.rs @@ -0,0 +1,12 @@ +// compile-flags: -Z mir-opt-level=0 -C panic=abort + +#![feature(string_deref_patterns)] +#![crate_type = "lib"] + +// EMIT_MIR string.foo.PreCodegen.after.mir +pub fn foo(s: Option<String>) -> i32 { + match s { + Some("a") => 1234, + s => 4321, + } +} |