mirror of https://github.com/rust-lang/rust
29 lines
722 B
Rust
29 lines
722 B
Rust
//@ compile-flags: -g -O
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// Check that simple constant values are preserved in debuginfo across both MIR opts and LLVM opts
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#![crate_type = "lib"]
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#[no_mangle]
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pub fn check_it() {
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let a = 1;
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let b = 42;
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foo(a + b);
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}
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#[inline(never)]
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fn foo(x: i32) {
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std::process::exit(x);
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}
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// CHECK-LABEL: @check_it
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// CHECK: dbg{{.}}value({{(metadata )?}}i32 1, {{(metadata )?}}![[a_metadata:[0-9]+]], {{(metadata )?}}!DIExpression()
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// CHECK: dbg{{.}}value({{(metadata )?}}i32 42, {{(metadata )?}}![[b_metadata:[0-9]+]], {{(metadata )?}}!DIExpression()
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// CHECK: ![[a_metadata]] = !DILocalVariable(name: "a"
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// CHECK-SAME: line: 9
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// CHECK: ![[b_metadata]] = !DILocalVariable(name: "b"
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// CHECK-SAME: line: 10
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