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Add FileCheck annotations to mir-opt/issues #134943

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Mar 1, 2025
Merged

Add FileCheck annotations to mir-opt/issues #134943

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6 changes: 5 additions & 1 deletion tests/mir-opt/issues/issue_75439.rs
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Original file line number Diff line number Diff line change
@@ -1,10 +1,14 @@
// skip-filecheck
// EMIT_MIR issue_75439.foo.MatchBranchSimplification.diff
//@ ignore-endian-big

use std::mem::transmute;

pub fn foo(bytes: [u8; 16]) -> Option<[u8; 4]> {
// CHECK-LABEL: fn foo(
// CHECK: bb2: {
// CHECK-NEXT: 0: [[bb:bb[0-9]+]],
// CHECK-SAME: {{[0-9]+}}: [[bb]],

// big endian `u32`s
let dwords: [u32; 4] = unsafe { transmute(bytes) };
const FF: u32 = 0x0000_ffff_u32.to_be();
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