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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/issues/issue-107681-unwrap_unchecked.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/issues/issue-107681-unwrap_unchecked.rs')
| -rw-r--r-- | tests/codegen-llvm/issues/issue-107681-unwrap_unchecked.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/codegen-llvm/issues/issue-107681-unwrap_unchecked.rs b/tests/codegen-llvm/issues/issue-107681-unwrap_unchecked.rs new file mode 100644 index 00000000000..69aefc6b1fb --- /dev/null +++ b/tests/codegen-llvm/issues/issue-107681-unwrap_unchecked.rs @@ -0,0 +1,19 @@ +//@ compile-flags: -Copt-level=3 + +// Test for #107681. +// Make sure we don't create `br` or `select` instructions. + +#![crate_type = "lib"] + +use std::iter::Copied; +use std::slice::Iter; + +#[no_mangle] +pub unsafe fn foo(x: &mut Copied<Iter<'_, u32>>) -> u32 { + // CHECK-LABEL: @foo( + // CHECK-NOT: br + // CHECK-NOT: select + // CHECK: [[RET:%.*]] = load i32, ptr + // CHECK-NEXT: ret i32 [[RET]] + x.next().unwrap_unchecked() +} |