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Remove const_bitcast from ConstMethods

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This commit is contained in:
bjorn3 2024-03-30 13:32:05 +00:00
parent 7f445329ec
commit 98e8601ac3
3 changed files with 13 additions and 18 deletions
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26
compiler/rustc_codegen_gcc/src/common.rs
View File

@ -28,6 +28,19 @@ fn global_string(&self, string: &str) -> LValue<'gcc> {
global
// TODO(antoyo): set linkage.
}
pub fn const_bitcast(&self, value: RValue<'gcc>, typ: Type<'gcc>) -> RValue<'gcc> {
if value.get_type() == self.bool_type.make_pointer() {
if let Some(pointee) = typ.get_pointee() {
if pointee.dyncast_vector().is_some() {
panic!()
}
}
}
// NOTE: since bitcast makes a value non-constant, don't bitcast if not necessary as some
// SIMD builtins require a constant value.
self.bitcast_if_needed(value, typ)
}
}
pub fn bytes_in_context<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, bytes: &[u8]) -> RValue<'gcc> {
@ -239,19 +252,6 @@ fn const_data_from_alloc(&self, alloc: ConstAllocation<'tcx>) -> Self::Value {
const_alloc_to_gcc(self, alloc)
}
fn const_bitcast(&self, value: RValue<'gcc>, typ: Type<'gcc>) -> RValue<'gcc> {
if value.get_type() == self.bool_type.make_pointer() {
if let Some(pointee) = typ.get_pointee() {
if pointee.dyncast_vector().is_some() {
panic!()
}
}
}
// NOTE: since bitcast makes a value non-constant, don't bitcast if not necessary as some
// SIMD builtins require a constant value.
self.bitcast_if_needed(value, typ)
}
fn const_ptr_byte_offset(&self, base_addr: Self::Value, offset: abi::Size) -> Self::Value {
self.context
.new_array_access(None, base_addr, self.const_usize(offset.bytes()))

4
compiler/rustc_codegen_llvm/src/common.rs
View File

@ -329,10 +329,6 @@ fn const_data_from_alloc(&self, alloc: ConstAllocation<'tcx>) -> Self::Value {
const_alloc_to_llvm(self, alloc, /*static*/ false)
}
fn const_bitcast(&self, val: &'ll Value, ty: &'ll Type) -> &'ll Value {
self.const_bitcast(val, ty)
}
fn const_ptr_byte_offset(&self, base_addr: Self::Value, offset: abi::Size) -> Self::Value {
unsafe {
llvm::LLVMConstInBoundsGEP2(

1
compiler/rustc_codegen_ssa/src/traits/consts.rs
View File

@ -37,6 +37,5 @@ pub trait ConstMethods<'tcx>: BackendTypes {
fn scalar_to_backend(&self, cv: Scalar, layout: abi::Scalar, llty: Self::Type) -> Self::Value;
fn const_bitcast(&self, val: Self::Value, ty: Self::Type) -> Self::Value;
fn const_ptr_byte_offset(&self, val: Self::Value, offset: abi::Size) -> Self::Value;
}