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Unified constant handling.

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This commit is contained in:
Christoffer Lerno
2024-09-13 11:08:14 +02:00
parent 3ceaf2ab81
commit 3f1738e0fe
23 changed files with 685 additions and 523 deletions
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30
src/compiler/llvm_codegen_expr.c
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@@ -1739,8 +1739,11 @@ static void llvm_emit_const_init_ref(GenContext *c, BEValue *ref, ConstInitializ
// In case of small const initializers, or full arrays - use copy.
if (const_init->kind == CONST_INIT_ARRAY_FULL || type_size(const_init->type) <= 32)
{
llvm_emit_initialize_reference_temporary_const(c, ref, const_init);
return;
if (const_init_local_init_may_be_global(const_init))
{
llvm_emit_initialize_reference_temporary_const(c, ref, const_init);
return;
}
}
// Make sure we have an address.
@@ -2562,6 +2565,13 @@ static inline void llvm_emit_deref(GenContext *c, BEValue *value, Expr *inner, T
if (safe_mode_enabled())
{
LLVMValueRef check = LLVMBuildICmp(c->builder, LLVMIntEQ, value->value, llvm_get_zero(c, inner->type), "checknull");
assert(!LLVMIsPoison(check));
if (llvm_is_const(check))
{
LLVMDumpValue(check);
printf("-- %lld value\n", LLVMConstIntGetSExtValue(check));
}
scratch_buffer_clear();
scratch_buffer_append("Dereference of null pointer, '");
span_to_scratch(inner->span);
@@ -4945,6 +4955,13 @@ static void llvm_emit_const_expr(GenContext *c, BEValue *be_value, Expr *expr)
bool is_bytes = false;
switch (expr->const_expr.const_kind)
{
case CONST_REF:
{
Decl *decl = expr->const_expr.global_ref;
LLVMValueRef backend_ref = llvm_get_ref(c, decl);
llvm_value_set(be_value, backend_ref, expr->type);
return;
}
case CONST_INTEGER:
{
LLVMValueRef value;
@@ -7054,11 +7071,6 @@ static void llmv_emit_test_hook(GenContext *c, BEValue *value, Expr *expr)
llvm_value_set_address_abi_aligned(value, get_global, expr->type);
}
static void llvm_emit_lambda(GenContext *c, BEValue *value, Expr *expr)
{
Decl *decl = expr->lambda_expr;
llvm_value_set(value, llvm_get_ref(c, decl), expr->type);
}
static void llvm_emit_swizzle(GenContext *c, BEValue *value, Expr *expr)
{
@@ -7117,6 +7129,7 @@ void llvm_emit_expr(GenContext *c, BEValue *value, Expr *expr)
switch (expr->expr_kind)
{
case NON_RUNTIME_EXPR:
case EXPR_LAMBDA:
case EXPR_COND:
case EXPR_ASM:
case EXPR_VASPLAT:
@@ -7131,9 +7144,6 @@ void llvm_emit_expr(GenContext *c, BEValue *value, Expr *expr)
case EXPR_DEFAULT_ARG:
llvm_emit_default_arg(c, value, expr);
return;
case EXPR_LAMBDA:
llvm_emit_lambda(c, value, expr);
return;
case EXPR_SWIZZLE:
llvm_emit_swizzle(c, value, expr);
return;