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29 lines
705 B
Rust
29 lines
705 B
Rust
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// 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: call void @llvm.dbg.value(metadata i32 1, metadata ![[a_metadata:[0-9]+]], metadata !DIExpression())
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// CHECK: call void @llvm.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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