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Use a safe wrapper around an LLVM FFI function

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This commit is contained in:
Oli Scherer 2025-02-24 14:45:16 +00:00
parent f16f64b15a
commit 3565603d25
5 changed files with 13 additions and 8 deletions
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4
compiler/rustc_codegen_llvm/src/intrinsic.rs
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@ -649,7 +649,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
fn type_test(&mut self, pointer: Self::Value, typeid: Self::Metadata) -> Self::Value {
// Test the called operand using llvm.type.test intrinsic. The LowerTypeTests link-time
// optimization pass replaces calls to this intrinsic with code to test type membership.
let typeid = unsafe { llvm::LLVMMetadataAsValue(&self.llcx, typeid) };
let typeid = self.get_metadata_value(typeid);
self.call_intrinsic("llvm.type.test", &[pointer, typeid])
}
@ -659,7 +659,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
vtable_byte_offset: u64,
typeid: &'ll Metadata,
) -> Self::Value {
let typeid = unsafe { llvm::LLVMMetadataAsValue(&self.llcx, typeid) };
let typeid = self.get_metadata_value(typeid);
let vtable_byte_offset = self.const_i32(vtable_byte_offset as i32);
let type_checked_load =
self.call_intrinsic("llvm.type.checked.load", &[llvtable, vtable_byte_offset, typeid]);