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Pass value and valueLen to create a StringRef

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Instead of creating a cstring.

Co-authored-by: LoveSy <shana@zju.edu.cn>
This commit is contained in:
Levi Zim 2024-04-09 14:47:06 +08:00 committed by kxxt
parent adec1a2e84
commit 33db20978e
3 changed files with 10 additions and 10 deletions
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12
compiler/rustc_codegen_llvm/src/context.rs
View File

@ -35,7 +35,6 @@
use std::borrow::Borrow;
use std::cell::{Cell, RefCell};
use std::ffi::CStr;
use std::ffi::CString;
use std::str;
/// There is one `CodegenCx` per compilation unit. Each one has its own LLVM
@ -332,15 +331,14 @@ pub unsafe fn create_module<'ll>(
// correctly setting target-abi for the LTO object
// FIXME: https://github.com/llvm/llvm-project/issues/50591
// If llvm_abiname is empty, emit nothing.
if matches!(sess.target.arch.as_ref(), "riscv32" | "riscv64")
&& !sess.target.options.llvm_abiname.is_empty()
{
let llvm_abiname = CString::new(sess.target.options.llvm_abiname.as_ref()).unwrap();
let llvm_abiname = &sess.target.options.llvm_abiname;
if matches!(sess.target.arch.as_ref(), "riscv32" | "riscv64") && !llvm_abiname.is_empty() {
llvm::LLVMRustAddModuleFlagString(
llmod,
llvm::LLVMModFlagBehavior::Error,
c"target-abi".as_ptr() as *const _,
llvm_abiname.as_ptr() as *const _,
c"target-abi".as_ptr(),
llvm_abiname.as_ptr().cast(),
llvm_abiname.len(),
);
}

1
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
View File

@ -1813,6 +1813,7 @@ pub fn LLVMRustAddModuleFlagString(
merge_behavior: LLVMModFlagBehavior,
name: *const c_char,
value: *const c_char,
value_len: size_t,
);
pub fn LLVMRustHasModuleFlag(M: &Module, name: *const c_char, len: size_t) -> bool;

7
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
View File

@ -829,9 +829,10 @@ extern "C" void LLVMRustAddModuleFlagString(
LLVMModuleRef M,
Module::ModFlagBehavior MergeBehavior,
const char *Name,
const char *Value) {
llvm::LLVMContext &Ctx = unwrap(M)->getContext();
unwrap(M)->addModuleFlag(MergeBehavior, Name, llvm::MDString::get(Ctx, Value));
const char *Value,
size_t ValueLen) {
unwrap(M)->addModuleFlag(MergeBehavior, Name,
MDString::get(unwrap(M)->getContext(), StringRef(Value, ValueLen)));
}
extern "C" bool LLVMRustHasModuleFlag(LLVMModuleRef M, const char *Name,