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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
commit | 631cd5845e8de329d0e227aaa707d7ea228b8f8f (patch) | |
tree | a1b87c8f8cad01cf18f7c5f57a08f102771ed303 /tests/codegen/issues/issue-98156-const-arg-temp-lifetime.rs | |
parent | Adding debian version 1.69.0+dfsg1-1. (diff) | |
download | rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.tar.xz rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.zip |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/issues/issue-98156-const-arg-temp-lifetime.rs')
-rw-r--r-- | tests/codegen/issues/issue-98156-const-arg-temp-lifetime.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/codegen/issues/issue-98156-const-arg-temp-lifetime.rs b/tests/codegen/issues/issue-98156-const-arg-temp-lifetime.rs new file mode 100644 index 000000000..12ace5fff --- /dev/null +++ b/tests/codegen/issues/issue-98156-const-arg-temp-lifetime.rs @@ -0,0 +1,27 @@ +// This test checks that temporaries for indirectly-passed arguments get lifetime markers. + +// compile-flags: -O -C no-prepopulate-passes -Zmir-opt-level=0 + +#![crate_type = "lib"] + +extern "Rust" { + fn f(x: [u8; 1024]); +} + +const A: [u8; 1024] = [0; 1024]; + +// CHECK-LABEL: @const_arg_indirect +#[no_mangle] +pub unsafe fn const_arg_indirect() { + // Ensure that the live ranges for the two argument temporaries don't overlap. + + // CHECK: call void @llvm.lifetime.start + // CHECK: call void @f + // CHECK: call void @llvm.lifetime.end + // CHECK: call void @llvm.lifetime.start + // CHECK: call void @f + // CHECK: call void @llvm.lifetime.end + + f(A); + f(A); +} |