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| author | James Dietz <jamesthespeedy@gmail.com> | 2023-05-04 20:54:17 -0400 |
|---|---|---|
| committer | James Dietz <jamesthespeedy@gmail.com> | 2023-05-04 20:54:17 -0400 |
| commit | f239cd6a35776cbc91400a9e498d8b7487fe4975 (patch) | |
| tree | 009f7eef0587668576a522f4038c2c6f70a4433b /compiler/rustc_codegen_llvm/src/llvm_util.rs | |
| parent | cb74cd524f2798a098943425c271d9eada8d901e (diff) | |
| download | rust-f239cd6a35776cbc91400a9e498d8b7487fe4975.tar.gz rust-f239cd6a35776cbc91400a9e498d8b7487fe4975.zip | |
added SAFETY comment
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/llvm_util.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index a5d4ca30fab..2fbdab9f8ce 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -330,6 +330,9 @@ pub(crate) fn print(req: PrintRequest, sess: &Session) { let tm = create_informational_target_machine(sess); match req { PrintRequest::TargetCPUs => { + // SAFETY generate a C compatible string from a byte slice to pass + // the target CPU name into LLVM, the lifetime of the reference is + // at least as long as the C function let cpu_cstring = CString::new(handle_native(sess.target.cpu.as_ref())) .unwrap_or_else(|e| bug!("failed to convert to cstring: {}", e)); unsafe { llvm::LLVMRustPrintTargetCPUs(tm, cpu_cstring.as_ptr()) }; |