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-rw-r--r--compiler/rustc_codegen_llvm/src/abi.rs2
-rw-r--r--compiler/rustc_codegen_llvm/src/allocator.rs2
-rw-r--r--compiler/rustc_codegen_llvm/src/asm.rs6
-rw-r--r--compiler/rustc_codegen_llvm/src/attributes.rs30
-rw-r--r--compiler/rustc_codegen_llvm/src/builder.rs8
-rw-r--r--compiler/rustc_codegen_llvm/src/consts.rs6
-rw-r--r--compiler/rustc_codegen_llvm/src/context.rs6
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs8
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/mod.rs6
-rw-r--r--compiler/rustc_codegen_llvm/src/metadata.rs4
10 files changed, 39 insertions, 39 deletions
diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs
index a69241e456f..d714ff1fe9b 100644
--- a/compiler/rustc_codegen_llvm/src/abi.rs
+++ b/compiler/rustc_codegen_llvm/src/abi.rs
@@ -554,7 +554,7 @@ impl<'tcx> FnAbiLlvmExt<'tcx> for FnAbi<'tcx, Ty<'tcx>> {
                 llvm::AddCallSiteAttrString(
                     callsite,
                     llvm::AttributePlace::Function,
-                    rustc_data_structures::const_cstr!("cmse_nonsecure_call"),
+                    cstr::cstr!("cmse_nonsecure_call"),
                 );
             }
         }
diff --git a/compiler/rustc_codegen_llvm/src/allocator.rs b/compiler/rustc_codegen_llvm/src/allocator.rs
index a5ea0b2a74c..068e5e99efe 100644
--- a/compiler/rustc_codegen_llvm/src/allocator.rs
+++ b/compiler/rustc_codegen_llvm/src/allocator.rs
@@ -93,7 +93,7 @@ pub(crate) unsafe fn codegen(
     let args = [usize, usize]; // size, align
 
     let ty = llvm::LLVMFunctionType(void, args.as_ptr(), args.len() as c_uint, False);
-    let name = "__rust_alloc_error_handler".to_string();
+    let name = "__rust_alloc_error_handler";
     let llfn = llvm::LLVMRustGetOrInsertFunction(llmod, name.as_ptr().cast(), name.len(), ty);
     // -> ! DIFlagNoReturn
     llvm::Attribute::NoReturn.apply_llfn(llvm::AttributePlace::Function, llfn);
diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs
index 4aa25aae747..26815de403f 100644
--- a/compiler/rustc_codegen_llvm/src/asm.rs
+++ b/compiler/rustc_codegen_llvm/src/asm.rs
@@ -61,9 +61,9 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> {
         // Default per-arch clobbers
         // Basically what clang does
         let arch_clobbers = match &self.sess().target.arch[..] {
-            "x86" | "x86_64" => vec!["~{dirflag}", "~{fpsr}", "~{flags}"],
-            "mips" | "mips64" => vec!["~{$1}"],
-            _ => Vec::new(),
+            "x86" | "x86_64" => &["~{dirflag}", "~{fpsr}", "~{flags}"][..],
+            "mips" | "mips64" => &["~{$1}"],
+            _ => &[],
         };
 
         let all_constraints = ia
diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs
index 26111729ba5..09ece6164eb 100644
--- a/compiler/rustc_codegen_llvm/src/attributes.rs
+++ b/compiler/rustc_codegen_llvm/src/attributes.rs
@@ -2,8 +2,8 @@
 
 use std::ffi::CString;
 
+use cstr::cstr;
 use rustc_codegen_ssa::traits::*;
-use rustc_data_structures::const_cstr;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_hir::def_id::DefId;
@@ -75,8 +75,8 @@ pub fn set_frame_pointer_elimination(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value)
         llvm::AddFunctionAttrStringValue(
             llfn,
             llvm::AttributePlace::Function,
-            const_cstr!("frame-pointer"),
-            const_cstr!("all"),
+            cstr!("frame-pointer"),
+            cstr!("all"),
         );
     }
 }
@@ -95,7 +95,7 @@ fn set_instrument_function(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
         llvm::AddFunctionAttrStringValue(
             llfn,
             llvm::AttributePlace::Function,
-            const_cstr!("instrument-function-entry-inlined"),
+            cstr!("instrument-function-entry-inlined"),
             &mcount_name,
         );
     }
@@ -129,16 +129,16 @@ fn set_probestack(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
         StackProbeType::None => None,
         // Request LLVM to generate the probes inline. If the given LLVM version does not support
         // this, no probe is generated at all (even if the attribute is specified).
-        StackProbeType::Inline => Some(const_cstr!("inline-asm")),
+        StackProbeType::Inline => Some(cstr!("inline-asm")),
         // Flag our internal `__rust_probestack` function as the stack probe symbol.
         // This is defined in the `compiler-builtins` crate for each architecture.
-        StackProbeType::Call => Some(const_cstr!("__rust_probestack")),
+        StackProbeType::Call => Some(cstr!("__rust_probestack")),
         // Pick from the two above based on the LLVM version.
         StackProbeType::InlineOrCall { min_llvm_version_for_inline } => {
             if llvm_util::get_version() < min_llvm_version_for_inline {
-                Some(const_cstr!("__rust_probestack"))
+                Some(cstr!("__rust_probestack"))
             } else {
-                Some(const_cstr!("inline-asm"))
+                Some(cstr!("inline-asm"))
             }
         }
     };
@@ -146,7 +146,7 @@ fn set_probestack(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
         llvm::AddFunctionAttrStringValue(
             llfn,
             llvm::AttributePlace::Function,
-            const_cstr!("probe-stack"),
+            cstr!("probe-stack"),
             attr_value,
         );
     }
@@ -169,7 +169,7 @@ pub fn apply_target_cpu_attr(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
     llvm::AddFunctionAttrStringValue(
         llfn,
         llvm::AttributePlace::Function,
-        const_cstr!("target-cpu"),
+        cstr!("target-cpu"),
         target_cpu.as_c_str(),
     );
 }
@@ -180,7 +180,7 @@ pub fn apply_tune_cpu_attr(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
         llvm::AddFunctionAttrStringValue(
             llfn,
             llvm::AttributePlace::Function,
-            const_cstr!("tune-cpu"),
+            cstr!("tune-cpu"),
             tune_cpu.as_c_str(),
         );
     }
@@ -289,7 +289,7 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty::
         Attribute::NoAlias.apply_llfn(llvm::AttributePlace::ReturnValue, llfn);
     }
     if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::CMSE_NONSECURE_ENTRY) {
-        llvm::AddFunctionAttrString(llfn, Function, const_cstr!("cmse_nonsecure_entry"));
+        llvm::AddFunctionAttrString(llfn, Function, cstr!("cmse_nonsecure_entry"));
     }
     sanitize(cx, codegen_fn_attrs.no_sanitize, llfn);
 
@@ -319,7 +319,7 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty::
         llvm::AddFunctionAttrStringValue(
             llfn,
             llvm::AttributePlace::Function,
-            const_cstr!("target-features"),
+            cstr!("target-features"),
             &val,
         );
     }
@@ -332,7 +332,7 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty::
             llvm::AddFunctionAttrStringValue(
                 llfn,
                 llvm::AttributePlace::Function,
-                const_cstr!("wasm-import-module"),
+                cstr!("wasm-import-module"),
                 &module,
             );
 
@@ -342,7 +342,7 @@ pub fn from_fn_attrs(cx: &CodegenCx<'ll, 'tcx>, llfn: &'ll Value, instance: ty::
             llvm::AddFunctionAttrStringValue(
                 llfn,
                 llvm::AttributePlace::Function,
-                const_cstr!("wasm-import-name"),
+                cstr!("wasm-import-name"),
                 &name,
             );
         }
diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs
index d2f4d3edc22..f4852c91e53 100644
--- a/compiler/rustc_codegen_llvm/src/builder.rs
+++ b/compiler/rustc_codegen_llvm/src/builder.rs
@@ -5,13 +5,13 @@ use crate::llvm::{AtomicOrdering, AtomicRmwBinOp, SynchronizationScope};
 use crate::type_::Type;
 use crate::type_of::LayoutLlvmExt;
 use crate::value::Value;
+use cstr::cstr;
 use libc::{c_char, c_uint};
 use rustc_codegen_ssa::common::{IntPredicate, RealPredicate, TypeKind};
 use rustc_codegen_ssa::mir::operand::{OperandRef, OperandValue};
 use rustc_codegen_ssa::mir::place::PlaceRef;
 use rustc_codegen_ssa::traits::*;
 use rustc_codegen_ssa::MemFlags;
-use rustc_data_structures::const_cstr;
 use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_hir::def_id::DefId;
 use rustc_middle::ty::layout::TyAndLayout;
@@ -979,7 +979,7 @@ impl BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
     }
 
     fn cleanup_pad(&mut self, parent: Option<&'ll Value>, args: &[&'ll Value]) -> Funclet<'ll> {
-        let name = const_cstr!("cleanuppad");
+        let name = cstr!("cleanuppad");
         let ret = unsafe {
             llvm::LLVMRustBuildCleanupPad(
                 self.llbuilder,
@@ -1003,7 +1003,7 @@ impl BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
     }
 
     fn catch_pad(&mut self, parent: &'ll Value, args: &[&'ll Value]) -> Funclet<'ll> {
-        let name = const_cstr!("catchpad");
+        let name = cstr!("catchpad");
         let ret = unsafe {
             llvm::LLVMRustBuildCatchPad(
                 self.llbuilder,
@@ -1022,7 +1022,7 @@ impl BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
         unwind: Option<&'ll BasicBlock>,
         num_handlers: usize,
     ) -> &'ll Value {
-        let name = const_cstr!("catchswitch");
+        let name = cstr!("catchswitch");
         let ret = unsafe {
             llvm::LLVMRustBuildCatchSwitch(
                 self.llbuilder,
diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs
index 16e1a8a1242..99046839973 100644
--- a/compiler/rustc_codegen_llvm/src/consts.rs
+++ b/compiler/rustc_codegen_llvm/src/consts.rs
@@ -5,9 +5,9 @@ use crate::llvm::{self, True};
 use crate::type_::Type;
 use crate::type_of::LayoutLlvmExt;
 use crate::value::Value;
+use cstr::cstr;
 use libc::c_uint;
 use rustc_codegen_ssa::traits::*;
-use rustc_data_structures::const_cstr;
 use rustc_hir::def_id::DefId;
 use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs};
 use rustc_middle::mir::interpret::{
@@ -419,9 +419,9 @@ impl StaticMethods for CodegenCx<'ll, 'tcx> {
                             .all(|&byte| byte == 0);
 
                     let sect_name = if all_bytes_are_zero {
-                        const_cstr!("__DATA,__thread_bss")
+                        cstr!("__DATA,__thread_bss")
                     } else {
-                        const_cstr!("__DATA,__thread_data")
+                        cstr!("__DATA,__thread_data")
                     };
                     llvm::LLVMSetSection(g, sect_name.as_ptr());
                 }
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index ee099f93258..3ddc7424202 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -7,10 +7,10 @@ use crate::llvm_util;
 use crate::type_::Type;
 use crate::value::Value;
 
+use cstr::cstr;
 use rustc_codegen_ssa::base::wants_msvc_seh;
 use rustc_codegen_ssa::traits::*;
 use rustc_data_structures::base_n;
-use rustc_data_structures::const_cstr;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_middle::bug;
@@ -414,8 +414,8 @@ impl MiscMethods<'tcx> for CodegenCx<'ll, 'tcx> {
     }
 
     fn create_used_variable(&self) {
-        let name = const_cstr!("llvm.used");
-        let section = const_cstr!("llvm.metadata");
+        let name = cstr!("llvm.used");
+        let section = cstr!("llvm.metadata");
         let array =
             self.const_array(&self.type_ptr_to(self.type_i8()), &*self.used_statics.borrow());
 
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index d935fc83b72..85d1b702399 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -18,8 +18,8 @@ use crate::llvm::debuginfo::{
 };
 use crate::value::Value;
 
+use cstr::cstr;
 use rustc_codegen_ssa::traits::*;
-use rustc_data_structures::const_cstr;
 use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
@@ -1075,7 +1075,7 @@ pub fn compile_unit_metadata(
                 gcov_cu_info.len() as c_uint,
             );
 
-            let llvm_gcov_ident = const_cstr!("llvm.gcov");
+            let llvm_gcov_ident = cstr!("llvm.gcov");
             llvm::LLVMAddNamedMetadataOperand(
                 debug_context.llmod,
                 llvm_gcov_ident.as_ptr(),
@@ -1093,7 +1093,7 @@ pub fn compile_unit_metadata(
             );
             llvm::LLVMAddNamedMetadataOperand(
                 debug_context.llmod,
-                const_cstr!("llvm.ident").as_ptr(),
+                cstr!("llvm.ident").as_ptr(),
                 llvm::LLVMMDNodeInContext(debug_context.llcontext, &name_metadata, 1),
             );
         }
@@ -2372,7 +2372,7 @@ fn compute_type_parameters(cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>) -> &'ll DIAr
     fn get_parameter_names(cx: &CodegenCx<'_, '_>, generics: &ty::Generics) -> Vec<Symbol> {
         let mut names = generics
             .parent
-            .map_or(vec![], |def_id| get_parameter_names(cx, cx.tcx.generics_of(def_id)));
+            .map_or_else(Vec::new, |def_id| get_parameter_names(cx, cx.tcx.generics_of(def_id)));
         names.extend(generics.params.iter().map(|param| param.name));
         names
     }
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
index 955e739b2c1..c28b0d64651 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
@@ -481,9 +481,9 @@ impl DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
         }
 
         fn get_parameter_names(cx: &CodegenCx<'_, '_>, generics: &ty::Generics) -> Vec<Symbol> {
-            let mut names = generics
-                .parent
-                .map_or(vec![], |def_id| get_parameter_names(cx, cx.tcx.generics_of(def_id)));
+            let mut names = generics.parent.map_or_else(Vec::new, |def_id| {
+                get_parameter_names(cx, cx.tcx.generics_of(def_id))
+            });
             names.extend(generics.params.iter().map(|param| param.name));
             names
         }
diff --git a/compiler/rustc_codegen_llvm/src/metadata.rs b/compiler/rustc_codegen_llvm/src/metadata.rs
index 3912d6a3a48..b007df57306 100644
--- a/compiler/rustc_codegen_llvm/src/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/metadata.rs
@@ -65,8 +65,8 @@ fn search_meta_section<'a>(
         while llvm::LLVMIsSectionIteratorAtEnd(of.llof, si.llsi) == False {
             let mut name_buf = None;
             let name_len = llvm::LLVMRustGetSectionName(si.llsi, &mut name_buf);
-            let name = name_buf.map_or(
-                String::new(), // We got a NULL ptr, ignore `name_len`.
+            let name = name_buf.map_or_else(
+                String::new, // We got a NULL ptr, ignore `name_len`.
                 |buf| {
                     String::from_utf8(
                         slice::from_raw_parts(buf.as_ptr() as *const u8, name_len as usize)
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-11-18 17:19:02 +0000