21 lines
454 B
Rust
21 lines
454 B
Rust
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//@ compile-flags: -O
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//@ min-llvm-version: 19
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// Test for #107681.
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// Make sure we don't create `br` or `select` instructions.
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#![crate_type = "lib"]
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use std::iter::Copied;
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use std::slice::Iter;
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#[no_mangle]
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pub unsafe fn foo(x: &mut Copied<Iter<'_, u32>>) -> u32 {
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// CHECK-LABEL: @foo(
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// CHECK-NOT: br
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// CHECK-NOT: select
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// CHECK: [[RET:%.*]] = load i32, ptr
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// CHECK-NEXT: ret i32 [[RET]]
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x.next().unwrap_unchecked()
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}
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