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Diffstat (limited to 'src/codegen.cpp')
-rw-r--r--src/codegen.cpp124
1 files changed, 11 insertions, 113 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp
index 9467ce41bf..37f15f43a7 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -328,9 +328,9 @@ static void addLLVMArgAttr(LLVMValueRef fn_val, unsigned param_index, const char
return addLLVMAttr(fn_val, param_index + 1, attr_name);
}
-static void addLLVMArgAttrInt(LLVMValueRef fn_val, unsigned param_index, const char *attr_name, uint64_t attr_val) {
- return addLLVMAttrInt(fn_val, param_index + 1, attr_name, attr_val);
-}
+//static void addLLVMArgAttrInt(LLVMValueRef fn_val, unsigned param_index, const char *attr_name, uint64_t attr_val) {
+// return addLLVMAttrInt(fn_val, param_index + 1, attr_name, attr_val);
+//}
static void addLLVMCallsiteAttr(LLVMValueRef call_instr, unsigned param_index, const char *attr_name) {
unsigned kind_id = LLVMGetEnumAttributeKindForName(attr_name, strlen(attr_name));
@@ -916,33 +916,6 @@ static void gen_safety_crash(CodeGen *g, PanicMsgId msg_id) {
gen_panic(g, get_panic_msg_ptr_val(g, msg_id), nullptr);
}
-static LLVMValueRef get_memcpy_fn_val(CodeGen *g, uint32_t dest_align, uint32_t src_align) {
- ZigLLVMFnKey key = {};
- key.id = ZigLLVMFnIdMemcpy;
- key.data.memcpy.dest_align = dest_align;
- key.data.memcpy.src_align = src_align;
-
- auto existing_entry = g->llvm_fn_table.maybe_get(key);
- if (existing_entry)
- return existing_entry->value;
-
- LLVMTypeRef param_types[] = {
- LLVMPointerType(LLVMInt8Type(), 0),
- LLVMPointerType(LLVMInt8Type(), 0),
- LLVMIntType(g->pointer_size_bytes * 8),
- LLVMInt1Type(),
- };
- LLVMTypeRef fn_type = LLVMFunctionType(LLVMVoidType(), param_types, 4, false);
- Buf *name = buf_sprintf("llvm.memcpy.p0i8.p0i8.i%d", g->pointer_size_bytes * 8);
- LLVMValueRef fn_val = LLVMAddFunction(g->module, buf_ptr(name), fn_type);
- addLLVMArgAttrInt(fn_val, 0, "align", dest_align);
- addLLVMArgAttrInt(fn_val, 1, "align", src_align);
- assert(LLVMGetIntrinsicID(fn_val));
-
- g->llvm_fn_table.put(key, fn_val);
- return fn_val;
-}
-
static LLVMValueRef get_coro_destroy_fn_val(CodeGen *g) {
if (g->coro_destroy_fn_val)
return g->coro_destroy_fn_val;
@@ -1305,15 +1278,7 @@ static LLVMValueRef get_safety_crash_err_fn(CodeGen *g) {
LLVMValueRef len_field_ptr = LLVMBuildStructGEP(g->builder, err_name_val, slice_len_index, "");
LLVMValueRef err_name_len = gen_load_untyped(g, len_field_ptr, 0, false, "");
- LLVMValueRef memcpy_fn_val = get_memcpy_fn_val(g, u8_align_bytes, u8_align_bytes);
- LLVMValueRef params[] = {
- offset_buf_ptr, // dest pointer
- err_name_ptr, // source pointer
- err_name_len, // size bytes
- LLVMConstNull(LLVMInt1Type()), // is volatile
- };
-
- LLVMBuildCall(g->builder, memcpy_fn_val, params, 4, "");
+ ZigLLVMBuildMemCpy(g->builder, offset_buf_ptr, u8_align_bytes, err_name_ptr, u8_align_bytes, err_name_len, false);
LLVMValueRef const_prefix_len = LLVMConstInt(LLVMTypeOf(err_name_len), strlen(unwrap_err_msg_text), false);
LLVMValueRef full_buf_len = LLVMBuildNUWAdd(g->builder, const_prefix_len, err_name_len, "");
@@ -1544,19 +1509,8 @@ static LLVMValueRef gen_assign_raw(CodeGen *g, LLVMValueRef ptr, TypeTableEntry
assert(size_bytes > 0);
assert(align_bytes > 0);
- LLVMValueRef volatile_bit = ptr_type->data.pointer.is_volatile ?
- LLVMConstAllOnes(LLVMInt1Type()) : LLVMConstNull(LLVMInt1Type());
-
- LLVMValueRef memcpy_fn_val = get_memcpy_fn_val(g, align_bytes, align_bytes);
-
- LLVMValueRef params[] = {
- dest_ptr, // dest pointer
- src_ptr, // source pointer
- LLVMConstInt(usize->type_ref, size_bytes, false),
- volatile_bit,
- };
-
- LLVMBuildCall(g->builder, memcpy_fn_val, params, 4, "");
+ ZigLLVMBuildMemCpy(g->builder, dest_ptr, align_bytes, src_ptr, align_bytes, LLVMConstInt(usize->type_ref, size_bytes, false),
+ ptr_type->data.pointer.is_volatile);
return nullptr;
}
@@ -2496,31 +2450,6 @@ static LLVMValueRef ir_render_bool_not(CodeGen *g, IrExecutable *executable, IrI
return LLVMBuildICmp(g->builder, LLVMIntEQ, value, zero, "");
}
-static LLVMValueRef get_memset_fn_val(CodeGen *g, uint32_t dest_align) {
- ZigLLVMFnKey key = {};
- key.id = ZigLLVMFnIdMemset;
- key.data.memset.dest_align = dest_align;
-
- auto existing_entry = g->llvm_fn_table.maybe_get(key);
- if (existing_entry)
- return existing_entry->value;
-
- LLVMTypeRef param_types[] = {
- LLVMPointerType(LLVMInt8Type(), 0),
- LLVMInt8Type(),
- LLVMIntType(g->pointer_size_bytes * 8),
- LLVMInt1Type(),
- };
- LLVMTypeRef fn_type = LLVMFunctionType(LLVMVoidType(), param_types, 4, false);
- Buf *name = buf_sprintf("llvm.memset.p0i8.i%d", g->pointer_size_bytes * 8);
- LLVMValueRef fn_val = LLVMAddFunction(g->module, buf_ptr(name), fn_type);
- addLLVMArgAttrInt(fn_val, 0, "align", dest_align);
- assert(LLVMGetIntrinsicID(fn_val));
-
- g->llvm_fn_table.put(key, fn_val);
- return fn_val;
-}
-
static LLVMValueRef ir_render_decl_var(CodeGen *g, IrExecutable *executable,
IrInstructionDeclVar *decl_var_instruction)
{
@@ -2554,21 +2483,12 @@ static LLVMValueRef ir_render_decl_var(CodeGen *g, IrExecutable *executable,
assert(var->align_bytes > 0);
- LLVMValueRef memset_fn_val = get_memset_fn_val(g, var->align_bytes);
-
// memset uninitialized memory to 0xa
LLVMTypeRef ptr_u8 = LLVMPointerType(LLVMInt8Type(), 0);
LLVMValueRef fill_char = LLVMConstInt(LLVMInt8Type(), 0xaa, false);
LLVMValueRef dest_ptr = LLVMBuildBitCast(g->builder, var->value_ref, ptr_u8, "");
LLVMValueRef byte_count = LLVMConstInt(usize->type_ref, size_bytes, false);
- LLVMValueRef params[] = {
- dest_ptr,
- fill_char,
- byte_count,
- LLVMConstNull(LLVMInt1Type()), // is volatile
- };
-
- LLVMBuildCall(g->builder, memset_fn_val, params, 4, "");
+ ZigLLVMBuildMemSet(g->builder, dest_ptr, fill_char, byte_count, var->align_bytes, false);
}
}
@@ -3415,19 +3335,7 @@ static LLVMValueRef ir_render_memset(CodeGen *g, IrExecutable *executable, IrIns
TypeTableEntry *ptr_type = instruction->dest_ptr->value.type;
assert(ptr_type->id == TypeTableEntryIdPointer);
- LLVMValueRef is_volatile = ptr_type->data.pointer.is_volatile ?
- LLVMConstAllOnes(LLVMInt1Type()) : LLVMConstNull(LLVMInt1Type());
-
- LLVMValueRef memset_fn_val = get_memset_fn_val(g, ptr_type->data.pointer.alignment);
-
- LLVMValueRef params[] = {
- dest_ptr_casted,
- char_val,
- len_val,
- is_volatile,
- };
-
- LLVMBuildCall(g->builder, memset_fn_val, params, 4, "");
+ ZigLLVMBuildMemSet(g->builder, dest_ptr_casted, char_val, len_val, ptr_type->data.pointer.alignment, ptr_type->data.pointer.is_volatile);
return nullptr;
}
@@ -3447,20 +3355,10 @@ static LLVMValueRef ir_render_memcpy(CodeGen *g, IrExecutable *executable, IrIns
assert(dest_ptr_type->id == TypeTableEntryIdPointer);
assert(src_ptr_type->id == TypeTableEntryIdPointer);
- LLVMValueRef is_volatile = (dest_ptr_type->data.pointer.is_volatile || src_ptr_type->data.pointer.is_volatile) ?
- LLVMConstAllOnes(LLVMInt1Type()) : LLVMConstNull(LLVMInt1Type());
-
- LLVMValueRef memcpy_fn_val = get_memcpy_fn_val(g, dest_ptr_type->data.pointer.alignment,
- src_ptr_type->data.pointer.alignment);
-
- LLVMValueRef params[] = {
- dest_ptr_casted,
- src_ptr_casted,
- len_val,
- is_volatile,
- };
+ bool is_volatile = (dest_ptr_type->data.pointer.is_volatile || src_ptr_type->data.pointer.is_volatile);
- LLVMBuildCall(g->builder, memcpy_fn_val, params, 4, "");
+ ZigLLVMBuildMemCpy(g->builder, dest_ptr_casted, dest_ptr_type->data.pointer.alignment,
+ src_ptr_casted, src_ptr_type->data.pointer.alignment, len_val, is_volatile);
return nullptr;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-28 21:44:21 +0000