rust/src/test/codegen/debug-alignment.rs
Patrick Walton fe533e862c Specify DWARF alignment in bits, not bytes.
In DWARF, alignment of types is specified in bits, as is made clear by the
parameter name `AlignInBits`. However, `rustc` was incorrectly passing a byte
alignment. This commit fixes that.

This was noticed in upstream LLVM when I tried to check in a test consisting of
LLVM IR generated from `rustc` and it triggered assertions [1].

[1]: https://reviews.llvm.org/D126835
2022-06-07 13:38:35 -07:00

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Rust

// Verifies that DWARF alignment is specified properly.
//
// compile-flags: -C debuginfo=2
#![crate_type = "lib"]
// CHECK: !DIGlobalVariable
// CHECK: align: 32
pub static A: u32 = 1;