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Use LLVMGetTypeKind

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Zalathar
2025-08-14 22:51:10 +10:00
parent c64c6d85e1
commit e193b5342b
3 changed files with 11 additions and 61 deletions
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16
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@@ -333,10 +333,15 @@ impl RealPredicate {
}
}
/// LLVMTypeKind
#[derive(Copy, Clone, PartialEq, Debug)]
/// Must match the layout of `LLVMTypeKind`.
///
/// Use [`RawEnum<TypeKind>`] for values of `LLVMTypeKind` returned from LLVM,
/// to avoid risk of UB if LLVM adds new enum values.
///
/// All of LLVM's variants should be declared here, even if no Rust-side code refers
/// to them, because unknown variants will cause [`RawEnum::to_rust`] to panic.
#[derive(Copy, Clone, PartialEq, Debug, TryFromU32)]
#[repr(C)]
#[expect(dead_code, reason = "Some variants are unused, but are kept to match LLVM-C")]
pub(crate) enum TypeKind {
Void = 0,
Half = 1,
@@ -1047,6 +1052,8 @@ unsafe extern "C" {
CanThrow: llvm::Bool,
) -> &'ll Value;
pub(crate) safe fn LLVMGetTypeKind(Ty: &Type) -> RawEnum<TypeKind>;
// Operations on integer types
pub(crate) fn LLVMInt1TypeInContext(C: &Context) -> &Type;
pub(crate) fn LLVMInt8TypeInContext(C: &Context) -> &Type;
@@ -1842,9 +1849,6 @@ unsafe extern "C" {
// Create and destroy contexts.
pub(crate) fn LLVMRustContextCreate(shouldDiscardNames: bool) -> &'static mut Context;
/// See llvm::LLVMTypeKind::getTypeID.
pub(crate) fn LLVMRustGetTypeKind(Ty: &Type) -> TypeKind;
// Operations on all values
pub(crate) fn LLVMRustGlobalAddMetadata<'a>(
Val: &'a Value,