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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
| commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
| tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/codegen/issue-98156-const-arg-temp-lifetime.rs | |
| parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
| download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip | |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/issue-98156-const-arg-temp-lifetime.rs')
| -rw-r--r-- | tests/codegen/issue-98156-const-arg-temp-lifetime.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/codegen/issue-98156-const-arg-temp-lifetime.rs b/tests/codegen/issue-98156-const-arg-temp-lifetime.rs new file mode 100644 index 000000000..12ace5fff --- /dev/null +++ b/tests/codegen/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); +} |