From bf5683b41c42955fc439f54514e4a10d4b805c8c Mon Sep 17 00:00:00 2001
From: Christoffer Lerno <christoffer@aegik.com>
Date: Thu, 17 Feb 2022 20:49:57 +0100
Subject: [PATCH] General cleanup, more native platform detection.

---
 CMakeLists.txt                          |  5 +-
 src/build/build_options.c               |  8 ++-
 src/build/build_options.h               | 24 +++------
 src/build/builder.c                     | 67 +++++++++++++++++++++----
 src/build/project.c                     |  1 -
 src/compiler/ast.c                      |  2 +-
 src/compiler/bigint.c                   | 24 ++++-----
 src/compiler/c_abi_internal.h           |  8 +--
 src/compiler/compiler.c                 | 31 ++----------
 src/compiler/compiler_internal.h        | 56 ++++-----------------
 src/compiler/enums.h                    |  1 -
 src/compiler/float.c                    |  6 +--
 src/compiler/linker.c                   | 22 +++-----
 src/compiler/llvm_codegen_c_abi_win64.c | 53 +++++++++----------
 src/compiler/llvm_codegen_c_abi_x86.c   |  1 -
 src/compiler/llvm_codegen_expr.c        |  2 +-
 src/compiler/llvm_codegen_function.c    |  2 +-
 src/compiler/llvm_codegen_internal.h    |  2 +-
 src/compiler/number.c                   | 15 ------
 src/compiler/parse_global.c             | 52 +------------------
 src/compiler/parse_stmt.c               |  3 --
 src/compiler/sema_casts.c               | 25 +--------
 src/compiler/target.c                   | 32 ++++++++----
 src/compiler/tokens.c                   | 18 -------
 src/compiler/types.c                    |  6 ---
 src/utils/errors.h                      |  4 +-
 src/utils/file_utils.c                  |  1 -
 27 files changed, 167 insertions(+), 304 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f8afb2ee..1dab620d2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,6 +75,9 @@ set(LLVM_LINK_COMPONENTS
         WindowsManifest
         )
 
+if (${LLVM_PACKAGE_VERSION} VERSION_GREATER 14)
+    set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} WindowsDriver)
+endif()
 
 llvm_map_components_to_libnames(llvm_libs ${LLVM_LINK_COMPONENTS})
 
@@ -91,7 +94,7 @@ if(UNIX)
     find_library(LLD_MINGW NAMES lldMinGW.a liblldMinGW.a PATHS ${LLVM_LIBRARY_DIRS})
     find_library(LLD_WASM NAMES lldWasm.a liblldWasm.a PATHS ${LLVM_LIBRARY_DIRS})
 
-    if(${LLVM_PACKAGE_VERSION} VERSION_LESS 14)
+    if (${LLVM_PACKAGE_VERSION} VERSION_LESS 14)
         find_library(LLD_CORE NAMES lldCore.a liblldCore.a PATHS ${LLVM_LIBRARY_DIRS})
         find_library(LLD_DRIVER NAMES lldDriver.a liblldDriver.a PATHS ${LLVM_LIBRARY_DIRS})
         find_library(LLD_READER_WRITER NAMES lldReaderWriter.a liblldReaderWriter.a PATHS ${LLVM_LIBRARY_DIRS})
diff --git a/src/build/build_options.c b/src/build/build_options.c
index 101225bf1..73edbcc44 100644
--- a/src/build/build_options.c
+++ b/src/build/build_options.c
@@ -25,6 +25,7 @@ extern const char* llvm_target;
 char *arch_os_target[ARCH_OS_TARGET_LAST + 1] = {
 		[X86_FREEBSD] = "x86-freebsd",
 		[X86_OPENBSD] = "x86-openbsd",
+		[X86_NETBSD] = "x86-netbsd",
 		[X86_MCU] = "x86-mcu",
 		[X86_ELF] = "x86-elf",
 		[X86_WINDOWS] = "x86-windows",
@@ -33,12 +34,17 @@ char *arch_os_target[ARCH_OS_TARGET_LAST + 1] = {
 		[X64_LINUX] = "x64-linux",
 		[X64_WINDOWS] = "x64-windows",
 		[X64_WINDOWS_GNU] = "x64-mingw",
+		[X64_FREEBSD] = "x64-freebsd",
+		[X64_OPENBSD] = "x64-openbsd",
 		[X64_NETBSD] = "x64-netbsd",
 		[X64_ELF] = "x64-elf",
 		[AARCH64_LINUX] = "aarch64-linux",
 		[AARCH64_DARWIN] = "aarch64-darwin",
+		[AARCH64_ELF] = "aarch64-elf",
 		[RISCV32_LINUX] = "riscv32-linux",
+		[RISCV32_ELF] = "riscv32-elf",
 		[RISCV64_LINUX] = "riscv64-linux",
+		[RISCV64_ELF] = "riscv64-elf",
 		[WASM32] = "wasm32",
 		[WASM64] = "wasm64",
 };
@@ -70,7 +76,7 @@ static void usage(void)
 	OUTPUT("  --stdlib <dir>        - Use this directory as the C3 standard library path.");
 	OUTPUT("  --lib <dir>           - Use this directory as the C3 library path.");
 	OUTPUT("  --path <dir>          - Use this as the base directory for the current command.");
-	OUTPUT("  --template <template> - Use a different template: \"lib\", \"staticlib\" or a path.");
+	OUTPUT("  --template <template> - Use a different template: \"lib\", \"static-lib\" or a path.");
 	OUTPUT("  --about               - Prints a short description of C3.");
 	OUTPUT("  --symtab <value>      - Sets the preferred symtab size.");
 	OUTPUT("  -V --version          - Print version information.");
diff --git a/src/build/build_options.h b/src/build/build_options.h
index 7895d128b..e9a638291 100644
--- a/src/build/build_options.h
+++ b/src/build/build_options.h
@@ -112,24 +112,6 @@ typedef enum
 	SIZE_OPTIMIZATION_TINY = 2,     // -Oz
 } SizeOptimizationLevel;
 
-// Values correspond to LLVM values.
-typedef enum
-{
-	PIC_DEFAULT = -1,
-	PIC_NONE = 0,
-	PIC_SMALL = 1,
-	PIC_BIG = 2,
-} PicGeneration;
-
-// Values correspond to LLVM values
-typedef enum
-{
-	PIE_DEFAULT = -1,
-	PIE_NONE = 0,
-	PIE_SMALL = 1,
-	PIE_BIG = 2,
-} PieGeneration;
-
 typedef enum
 {
 	SOFT_FLOAT_DEFAULT = -1,
@@ -193,6 +175,7 @@ typedef enum
 	ARCH_OS_TARGET_DEFAULT = 0,
 	X86_FREEBSD,
 	X86_OPENBSD,
+	X86_NETBSD,
 	X86_LINUX,
 	X86_WINDOWS,
 	X86_MCU,
@@ -200,13 +183,18 @@ typedef enum
 	X64_DARWIN,
 	X64_LINUX,
 	X64_NETBSD,
+	X64_FREEBSD,
+	X64_OPENBSD,
 	X64_WINDOWS,
 	X64_WINDOWS_GNU,
 	X64_ELF,
 	AARCH64_LINUX,
 	AARCH64_DARWIN,
+	AARCH64_ELF,
 	RISCV32_LINUX,
+	RISCV32_ELF,
 	RISCV64_LINUX,
+	RISCV64_ELF,
 	WASM32,
 	WASM64,
 	ARCH_OS_TARGET_LAST = WASM64
diff --git a/src/build/builder.c b/src/build/builder.c
index 10f8403da..b274a62ba 100644
--- a/src/build/builder.c
+++ b/src/build/builder.c
@@ -13,6 +13,63 @@
 void load_library_files(void) {}
 void load_files(void) {}
 
+#if defined(_M_X64) || defined(_M_AMD64)
+	#if defined(__MINGW32__)
+ArchOsTarget default_target = X64_WINDOWS_GNU;
+	#else
+ArchOsTarget default_target = X64_WINDOWS;
+	#endif
+#elif defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64)
+	#if defined(__MACH__)
+ArchOsTarget default_target = X64_DARWIN;
+	#elif defined(__linux__) && __linux__
+ArchOsTarget default_target = X64_LINUX;
+	#elif defined(__NetBSD__)
+ArchOsTarget default_target = X64_NETBSD;
+	#elif defined(__FreeBSD__)
+ArchOsTarget default_target = X64_FREEBSD;
+	#elif defined(__OpenBSD__)
+ArchOsTarget default_target = X64_OPENBSD;
+	#else
+ArchOsTarget default_target = X64_ELF;
+	#endif
+#elif defined(__aarch64__) || defined(_M_ARM64)
+	#if defined(__MACH__)
+ArchOsTarget default_target = AARCH64_DARWIN;
+	#elif defined(__linux__) && __linux__
+ArchOsTarget default_target = AARCH64_LINUX;
+	#else
+ArchOsTarget default_target = AARCH64_ELF;
+	#endif
+#elif defined(i386) || defined(__i386__) || defined(__i386) || defined(_M_IX86)
+	#if defined(__linux__) && __linux__
+ArchOsTarget default_target = X86_LINUX;
+	#elif defined(__FreeBSD__)
+ArchOsTarget default_target = X86_FREEBSD;
+	#elif defined(__OpenBSD__)
+ArchOsTarget default_target = X86_OPENBSD;
+	#elif defined(__NetBSD__)
+ArchOsTarget default_target = X86_NETBSD;
+	#elif defined(_MSC_VER) && _MSC_VER
+ArchOsTarget default_target = X86_WINDOWS;
+	#else
+ArchOsTarget default_target = X86_ELF;
+	#endif
+#elif defined(__riscv32)
+	#if defined(__linux__) && __linux__
+ArchOsTarget default_target = RISCV32_LINUX;
+	#else
+ArchOsTarget default_target = RISCV32_ELF;
+	#endif
+#elif defined(__riscv64)
+	#if defined(__linux__) && __linux__
+ArchOsTarget default_target = RISCV64_LINUX;
+	#else
+ArchOsTarget default_target = RISCV64_ELF;
+	#endif
+#else
+ArchOsTarget default_target = ARCH_OS_TARGET_DEFAULT;
+#endif
 
 static void update_build_target_from_options(BuildTarget *target, BuildOptions *options)
 {
@@ -98,16 +155,6 @@ static void update_build_target_from_options(BuildTarget *target, BuildOptions *
 	{
 		target->arch_os_target = options->arch_os_target_override;
 	}
-#ifndef _MSC_VER
-#define _MSC_VER 0
-#endif
-	else if (_MSC_VER)
-	{
-		// The current handling of ARCH_OS_TARGET_DEFAULT works on unix, but not on windows.
-		// to deal with this, simply default to x64-windows (unless using mingw).
-		// ARCH_OS_TARGET_DEFAULT could be handled in a more cross-platform manner later on.
-		target->arch_os_target = X64_WINDOWS;
-	}
 	if (options->reloc_model != RELOC_DEFAULT) target->reloc_model = options->reloc_model;
 
 	for (int i = 0; i < options->linker_arg_count; i++)
diff --git a/src/build/project.c b/src/build/project.c
index 6e1e653d4..d3d390f82 100644
--- a/src/build/project.c
+++ b/src/build/project.c
@@ -217,7 +217,6 @@ static void project_add_targets(Project *project, JSONObject *project_data)
 	{
 		error_exit("'targets' did not contain map of targets.");
 	}
-	JSONObject *targets_find = NULL;
 	for (unsigned i = 0; i < targets_json->member_len; i++)
 	{
 		JSONObject *object = targets_json->members[i];
diff --git a/src/compiler/ast.c b/src/compiler/ast.c
index 3fd78042a..925543e64 100644
--- a/src/compiler/ast.c
+++ b/src/compiler/ast.c
@@ -106,7 +106,7 @@ const char *decl_to_name(Decl *decl)
 				case VARDECL_PARAM_REF:
 					return "ref parameter";
 				case VARDECL_PARAM_EXPR:
-					return "extpression parameter";
+					return "expression parameter";
 				case VARDECL_LOCAL_CT:
 					return "compile time variable";
 				case VARDECL_LOCAL_CT_TYPE:
diff --git a/src/compiler/bigint.c b/src/compiler/bigint.c
index 109d415c5..3bb44eef2 100644
--- a/src/compiler/bigint.c
+++ b/src/compiler/bigint.c
@@ -6,23 +6,23 @@
 #include <inttypes.h>
 #include <math.h>
 
-static inline uint32_t u32_min(uint32_t a, uint32_t b)
+UNUSED static inline uint32_t u32_min(uint32_t a, uint32_t b)
 {
 	return a < b ? a : b;
 }
 
-static inline size_t size_max(size_t a, size_t b)
+UNUSED static inline size_t size_max(size_t a, size_t b)
 {
 	return a > b ? a : b;
 }
 
-static inline unsigned unsigned_max(unsigned a, unsigned b)
+UNUSED static inline unsigned unsigned_max(unsigned a, unsigned b)
 {
 	return a > b ? a : b;
 }
 
 
-static char digit_to_char(uint8_t digit, bool upper)
+UNUSED static char digit_to_char(uint8_t digit, bool upper)
 {
 	if (digit <= 9)
 	{
@@ -93,7 +93,7 @@ Int128 i128_from_str(const char *str)
 	return x;
 }
 
-Int128 i128_from_strl(const char *str, const char *end)
+UNUSED Int128 i128_from_strl(const char *str, const char *end)
 {
 	char c;
 	Int128 x = { 0, 0 };
@@ -105,7 +105,7 @@ Int128 i128_from_strl(const char *str, const char *end)
 	return x;
 }
 
-Int128 i128_from_hexstrl(const char *str, const char *end)
+UNUSED Int128 i128_from_hexstrl(const char *str, const char *end)
 {
 	char c;
 	Int128 x = { 0, 0 };
@@ -220,7 +220,7 @@ Int128 i128_mult64(Int128 op1, uint64_t op2)
 }
 
 
-CmpRes int128_scomp64(Int128 op1, int64_t op2)
+UNUSED CmpRes int128_scomp64(Int128 op1, int64_t op2)
 {
 	// Check all zero
 	if (!op2 && !op1.high && !op1.low) return CMP_EQ;
@@ -246,14 +246,14 @@ CmpRes int128_scomp64(Int128 op1, int64_t op2)
 	return op1.low > (uint64_t)op2 ? CMP_GT : CMP_LT;
 }
 
-CmpRes int128_ucomp64(Int128 op1, uint64_t op2)
+UNUSED CmpRes int128_ucomp64(Int128 op1, uint64_t op2)
 {
 	if (op1.high) return CMP_GT;
 	if (op1.low == op2) return CMP_EQ;
 	return op1.low > op2 ? CMP_GT : CMP_LT;
 }
 
-CmpRes i128_ucomp(Int128 op1, Int128 op2)
+UNUSED CmpRes i128_ucomp(Int128 op1, Int128 op2)
 {
 	if (op1.high > op2.high) return CMP_GT;
 	if (op1.high < op2.high) return CMP_LT;
@@ -299,7 +299,7 @@ Int128 i128_from_float_unsigned(Real d)
 	return (Int128){ 0, (uint64_t)d };
 }
 
-bool i128_get_bit(const Int128 *op, int bit)
+UNUSED bool i128_get_bit(const Int128 *op, int bit)
 {
 	assert(bit < 128 && bit >= 0);
 	if (bit > 63)
@@ -322,6 +322,7 @@ Int128 i128_lshr(Int128 op1, Int128 op2)
 
 Int128 i128_ashr64(Int128 op1, uint64_t amount)
 {
+	if (amount == 0) return op1;
 	if (!ISNEG(op1.high)) return i128_lshr64(op1, amount);
 	if (amount > 127) return (Int128){ UINT64_MAX, UINT64_MAX };
 	if (amount == 64) return (Int128){ UINT64_MAX, op1.high };
@@ -381,7 +382,7 @@ static uint32_t popcnt64(uint64_t n)
 	return (((n + (n >> 4)) & 0xF0F0F0F0F0F0F0F) * 0x101010101010101) >> 56;
 }
 
-uint32_t i128_popcnt(Int128 i)
+UNUSED uint32_t i128_popcnt(Int128 i)
 {
 	return popcnt64(i.high) + popcnt64(i.low);
 }
@@ -725,7 +726,6 @@ unsigned int_bits_needed(Int op)
 {
 	TypeKind kind = op.type;
 	Int128 i = op.i;
-	int bits_used;
 	if (type_kind_is_signed(kind))
 	{
 		if (i128_is_neg(i))
diff --git a/src/compiler/c_abi_internal.h b/src/compiler/c_abi_internal.h
index b9eec5bd8..cf33cede5 100644
--- a/src/compiler/c_abi_internal.h
+++ b/src/compiler/c_abi_internal.h
@@ -36,7 +36,7 @@ bool abi_type_is_integer(AbiType type);
 bool abi_type_is_float(AbiType type);
 static inline void abi_type_set_type(AbiType *abi_type, Type *type);
 static inline AbiType abi_type_get(Type *type);
-static inline void abi_type_set_int_bits(AbiType *abi_type, ByteSize bits);
+
 TypeSize abi_type_size(AbiType type);
 
 typedef struct
@@ -81,9 +81,3 @@ static inline void abi_type_set_type(AbiType *abi_type, Type *type)
 	abi_type->type = type;
 }
 
-static inline void abi_type_set_int_bits(AbiType *abi_type, ByteSize bits)
-{
-	assert(bits < UINT32_MAX);
-	abi_type->int_bits_plus_1 = (uintptr_t)bits + 1;
-}
-
diff --git a/src/compiler/compiler.c b/src/compiler/compiler.c
index 2215fa17f..15978acce 100644
--- a/src/compiler/compiler.c
+++ b/src/compiler/compiler.c
@@ -103,39 +103,19 @@ typedef struct CompileData_
 	Task task;
 } CompileData;
 
-void thread_compile_task_llvm(void *compiledata)
+void thread_compile_task_llvm(void *compile_data)
 {
-	CompileData *data = compiledata;
+	CompileData *data = compile_data;
 	data->object_name = llvm_codegen(data->context);
 }
 
-void thread_compile_task_tb(void *compiledata)
+void thread_compile_task_tb(void *compile_data)
 {
-	CompileData *data = compiledata;
+	CompileData *data = compile_data;
 	data->object_name = tinybackend_codegen(data->context);
 }
 
 
-
-static void add_global_define(const char *name, Expr *value)
-{
-	Decl *dec = decl_calloc();
-	TokenType type = TOKEN_CONST_IDENT;
-	const char *unique_name = symtab_add(name, (uint32_t)strlen(name), fnv1a(name, (uint32_t)strlen(name)), &type);
-	dec->name = unique_name;
-	dec->module = &global_context.std_module;
-	dec->visibility = VISIBLE_PUBLIC;
-	dec->decl_kind = DECL_VAR;
-	dec->var.kind = VARDECL_CONST;
-	dec->var.constant = true;
-	dec->var.type_info = NULL;
-	dec->var.init_expr = value;
-	dec->type = value->type;
-	dec->resolve_status = RESOLVE_DONE;
-	decl_set_external_name(dec);
-	stable_set(&dec->module->symbols, dec->name, dec);
-}
-
 static const char *active_target_name(void)
 {
 	if (active_target.name) return active_target.name;
@@ -260,7 +240,6 @@ void compiler_compile(void)
 		for (int i = 0; i < cfiles; i++)
 		{
 			char *filename = NULL;
-			char *dir = NULL;
 			bool split_worked = filenamesplit(active_target.csources[i], &filename, NULL);
 			assert(split_worked);
 			size_t len = strlen(filename);
@@ -297,7 +276,7 @@ void compiler_compile(void)
 	if (create_exe)
 	{
 		const char *output_name = active_target_name();
-		if (active_target.arch_os_target == ARCH_OS_TARGET_DEFAULT)
+		if (active_target.arch_os_target == default_target)
 		{
 			platform_linker(output_name, obj_files, output_file_count);
 		}
diff --git a/src/compiler/compiler_internal.h b/src/compiler/compiler_internal.h
index ac1166174..52e09e6e5 100644
--- a/src/compiler/compiler_internal.h
+++ b/src/compiler/compiler_internal.h
@@ -563,7 +563,6 @@ typedef struct Decl_
 	Visibility visibility : 3;
 	ResolveStatus resolve_status : 3;
 	bool is_packed : 1;
-	bool needs_additional_pad : 1;
 	bool is_substruct : 1;
 	bool has_variable_array : 1;
 	bool no_scope : 1;
@@ -1748,13 +1747,13 @@ Real i128_to_float_signed(Int128 op);
 bool i128_is_zero(Int128 op);
 uint32_t i128_clz(const Int128 *op);
 uint32_t i128_ctz(const Int128 *op);
-int i128_lsb(const Int128 *op);
-int i128_msb(const Int128 *op);
+UNUSED int i128_lsb(const Int128 *op);
+UNUSED int i128_msb(const Int128 *op);
 Int128 i128_from_float_signed(Real d);
 Int128 i128_from_float_unsigned(Real d);
 Int128 i128_from_signed(int64_t i);
-Int128 i128_from_unsigned(uint64_t i);
-bool i128_get_bit(const Int128 *op, int bit);
+UNUSED Int128 i128_from_unsigned(uint64_t i);
+UNUSED bool i128_get_bit(const Int128 *op, int bit);
 
 static inline bool type_may_negate(Type *type)
 {
@@ -1788,7 +1787,6 @@ bool cast(Expr *expr, Type *to_type);
 bool cast_may_implicit(Type *from_type, Type *to_type, bool is_simple_expr, bool failable_allowed);
 
 bool cast_may_explicit(Type *from_type, Type *to_type, bool ignore_failability, bool is_const);
-bool cast_implicit_bit_width(Expr *expr, Type *to_type);
 
 CastKind cast_to_bool_kind(Type *type);
 
@@ -1835,33 +1833,10 @@ static inline bool decl_poison(Decl *decl) {
 	decl->decl_kind = DECL_POISONED; decl->resolve_status = RESOLVE_DONE; return false;
 }
 static inline bool decl_is_struct_type(Decl *decl);
-static inline bool decl_is_callable_type(Decl *decl);
+
 static inline bool decl_is_user_defined_type(Decl *decl);
 static inline DeclKind decl_from_token(TokenType type);
-static inline bool decl_var_is_assignable(Decl *decl)
-{
-	switch (decl->var.kind)
-	{
-		case VARDECL_GLOBAL:
-		case VARDECL_LOCAL:
-		case VARDECL_PARAM:
-		case VARDECL_PARAM_CT:
-		case VARDECL_PARAM_CT_TYPE:
-		case VARDECL_PARAM_REF:
-		case VARDECL_LOCAL_CT:
-		case VARDECL_LOCAL_CT_TYPE:
-		case VARDECL_UNWRAPPED:
-			return true;
-		case VARDECL_BITMEMBER:
-		case VARDECL_CONST:
-		case VARDECL_MEMBER:
-		case VARDECL_PARAM_EXPR:
-			return false;
-		case VARDECL_REWRAPPED:
-		case VARDECL_ERASE:
-			UNREACHABLE
-	}
-}
+
 static inline Decl *decl_flatten(Decl *decl)
 {
 	if (decl->decl_kind == DECL_DEFINE && decl->define_decl.define_kind != DEFINE_TYPE_GENERIC)
@@ -1897,7 +1872,6 @@ void expr_const_set_null(ExprConst *expr);
 
 bool expr_const_compare(const ExprConst *left, const ExprConst *right, BinaryOp op);
 bool expr_const_will_overflow(const ExprConst *expr, TypeKind kind);
-ArraySize expr_const_list_size(const ConstInitializer *list);
 
 Expr *expr_generate_decl(Decl *decl, Expr *assign);
 void expr_insert_addr(Expr *original);
@@ -1946,7 +1920,6 @@ const char *module_create_object_file_name(Module *module);
 
 bool parse_file(File *file);
 Path *path_create_from_string(const char *string, uint32_t len, SourceSpan span);
-Path *path_find_parent_path(Path *path);
 
 #define SEMA_TOKEN_ERROR(_tok, ...) sema_error_range(source_span_from_token_id(_tok.id), __VA_ARGS__)
 #define SEMA_TOKID_ERROR(_tok_id, ...) sema_error_range(source_span_from_token_id(_tok_id), __VA_ARGS__)
@@ -2017,7 +1990,7 @@ void stable_init(STable *table, uint32_t initial_size);
 void *stable_set(STable *table, const char *key, void *value);
 void *stable_get(STable *table, const char *key);
 
-void stable_clear(STable *table);
+UNUSED void stable_clear(STable *table);
 
 void decltable_init(DeclTable *table, uint32_t initial_size);
 Decl *decltable_get(DeclTable *table, const char *name);
@@ -2028,7 +2001,7 @@ void scratch_buffer_append(const char *string);
 void scratch_buffer_append_len(const char *string, size_t len);
 void scratch_buffer_append_char(char c);
 void scratch_buffer_append_signed_int(int64_t i);
-void scratch_buffer_append_unsigned_int(uint64_t i);
+UNUSED void scratch_buffer_append_unsigned_int(uint64_t i);
 char *scratch_buffer_to_string(void);
 const char *scratch_buffer_interned(void);
 
@@ -2042,9 +2015,6 @@ void c_abi_func_create(FunctionPrototype *proto);
 
 bool token_is_type(TokenType type);
 bool token_is_any_type(TokenType type);
-bool token_is_symbol(TokenType type);
-bool token_is_ident_keyword(TokenType token_type);
-bool token_is_ct_ident_keyword(TokenType token_type);
 const char *token_type_to_string(TokenType type);
 static inline TokenType advance_token(TokenId *token)
 {
@@ -2068,7 +2038,6 @@ Type *type_find_common_ancestor(Type *left, Type *right);
 Type *type_find_largest_union_element(Type *type);
 Type *type_find_max_type(Type *type, Type *other);
 Type *type_abi_find_single_struct_element(Type *type);
-const char *type_generate_qname(Type *type);
 bool type_is_valid_for_vector(Type *type);
 Type *type_get_array(Type *arr_type, ArraySize len);
 Type *type_get_indexed_type(Type *type);
@@ -2465,12 +2434,6 @@ static inline bool decl_is_enum_kind(Decl *decl)
 	return (kind == DECL_ENUM) | (kind == DECL_ERRTYPE);
 }
 
-static inline bool decl_is_callable_type(Decl *decl)
-{
-	DeclKind kind = decl->decl_kind;
-	return (kind == DECL_MACRO) | (kind == DECL_FUNC) | (kind == DECL_GENERIC);
-}
-
 static inline bool decl_is_user_defined_type(Decl *decl)
 {
 	DeclKind kind = decl->decl_kind;
@@ -2568,4 +2531,5 @@ static inline Ast *ast_next(AstId *current_ptr)
 	Ast *ast = astptr(*current_ptr);
 	*current_ptr = ast->next;
 	return ast;
-}
\ No newline at end of file
+}
+extern ArchOsTarget default_target;
diff --git a/src/compiler/enums.h b/src/compiler/enums.h
index 49a2058b9..c7188e3c7 100644
--- a/src/compiler/enums.h
+++ b/src/compiler/enums.h
@@ -591,7 +591,6 @@ typedef enum
 	UNARYOP_INC,
 	UNARYOP_DEC,
 	UNARYOP_TADDR,
-	UNARYOP_LAST = UNARYOP_DEC
 } UnaryOp;
 
 typedef enum
diff --git a/src/compiler/float.c b/src/compiler/float.c
index b2e1442cc..bc647dbe8 100644
--- a/src/compiler/float.c
+++ b/src/compiler/float.c
@@ -3,7 +3,7 @@
 #include <math.h>
 #include <errno.h>
 
-static int precision_bits(TypeKind kind)
+UNUSED static int precision_bits(TypeKind kind)
 {
 	switch (kind)
 	{
@@ -22,7 +22,7 @@ static int precision_bits(TypeKind kind)
 	}
 }
 
-static int max_exponent(TypeKind kind)
+UNUSED static int max_exponent(TypeKind kind)
 {
 	switch (kind)
 	{
@@ -41,7 +41,7 @@ static int max_exponent(TypeKind kind)
 	}
 }
 
-static int min_exponent(TypeKind kind)
+UNUSED static int min_exponent(TypeKind kind)
 {
 	switch (kind)
 	{
diff --git a/src/compiler/linker.c b/src/compiler/linker.c
index 93ab0cd09..32917c286 100644
--- a/src/compiler/linker.c
+++ b/src/compiler/linker.c
@@ -69,31 +69,21 @@ static void prepare_msys2_linker_flags(const char ***args, const char **files_to
 #undef add_arg
 }
 
-static void append_pie_pic_options(RelocModel reloc, const char ***args_ref)
+static void append_linker_pie_options(RelocModel reloc, const char ***args_ref)
 {
 	switch (reloc)
 	{
 		case RELOC_DEFAULT:
 			UNREACHABLE
 		case RELOC_NONE:
-			vec_add(*args_ref, "-no-pic");
-			vec_add(*args_ref, "-no-pie");
-			vec_add(*args_ref, "-no-PIC");
-			vec_add(*args_ref, "-no-PIE");
+			vec_add(*args_ref, "-no_pie");
 			break;
 		case RELOC_SMALL_PIC:
-			vec_add(*args_ref, "-pic");
-			break;
 		case RELOC_BIG_PIC:
-			vec_add(*args_ref, "-PIC");
 			break;
 		case RELOC_SMALL_PIE:
-			vec_add(*args_ref, "-pie");
-			vec_add(*args_ref, "-pic");
-			break;
 		case RELOC_BIG_PIE:
-			vec_add(*args_ref, "-PIE");
-			vec_add(*args_ref, "-PIC");
+			vec_add(*args_ref, "-pie");
 			break;
 	}
 }
@@ -199,7 +189,7 @@ static bool link_exe(const char *output_file, const char **files_to_link, unsign
 			vec_add(args, "-lm");
 			vec_add(args, "-syslibroot");
 			vec_add(args, "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk");
-			append_pie_pic_options(platform_target.reloc_model, &args);
+			append_linker_pie_options(platform_target.reloc_model, &args);
 			if (platform_target.reloc_model == RELOC_SMALL_PIE || platform_target.reloc_model == RELOC_BIG_PIE)
 			{
 				vec_add(args, "-macosx_version_min");
@@ -221,7 +211,7 @@ static bool link_exe(const char *output_file, const char **files_to_link, unsign
 			{
 				case ARCH_TYPE_X86_64:
 					vec_add(args, "elf_x86_64");
-					append_pie_pic_options(platform_target.reloc_model, &args);
+					append_linker_pie_options(platform_target.reloc_model, &args);
 					if (is_pie_pic(platform_target.reloc_model))
 					{
 						vec_add(args, "--eh-frame-hdr");
@@ -265,7 +255,7 @@ static bool link_exe(const char *output_file, const char **files_to_link, unsign
 			break;
 		default:
 			add_files(&args, files_to_link, file_count);
-			append_pie_pic_options(platform_target.reloc_model, &args);
+			append_linker_pie_options(platform_target.reloc_model, &args);
 			return false;
 	}
 
diff --git a/src/compiler/llvm_codegen_c_abi_win64.c b/src/compiler/llvm_codegen_c_abi_win64.c
index 8e55202f0..59ebd5cfb 100644
--- a/src/compiler/llvm_codegen_c_abi_win64.c
+++ b/src/compiler/llvm_codegen_c_abi_win64.c
@@ -23,40 +23,37 @@ ABIArgInfo *win64_classify(Regs *regs, Type *type, bool is_return, bool is_vecto
 
 	Type *base = NULL;
 	unsigned elements = 0;
-	if ((is_vector || is_reg) && type_is_homogenous_aggregate(type, &base, &elements))
+	if (is_reg && type_is_homogenous_aggregate(type, &base, &elements))
 	{
-		if (is_reg)
+		// Enough registers? Then use direct/expand
+		if (regs->float_regs >= elements)
 		{
-			// Enough registers? Then use direct/expand
-			if (regs->float_regs >= elements)
+			regs->float_regs -= elements;
+			// Direct if return / builtin / vector
+			if (is_return || type_is_builtin(type->type_kind) || type->type_kind == TYPE_VECTOR)
 			{
-				regs->float_regs -= elements;
-				// Direct if return / builtin / vector
-				if (is_return || type_is_builtin(type->type_kind) || type->type_kind == TYPE_VECTOR)
-				{
-					return abi_arg_new_direct();
-				}
-				return abi_arg_new_expand();
-			}
-			// Otherwise use indirect
-			return abi_arg_new_indirect_not_by_val(type);
-		}
-		if (is_vector)
-		{
-			// Enough registers AND return / builtin / vector
-			if (regs->float_regs >= elements &&
-				(is_return || type_is_builtin(type->type_kind) || type->type_kind == TYPE_VECTOR))
-			{
-				regs->float_regs -= elements;
 				return abi_arg_new_direct();
 			}
-			// HVAs are handled later.
-			if (is_return || (!type_is_builtin(type->type_kind) && type->type_kind != TYPE_VECTOR))
-			{
-				return abi_arg_new_indirect_not_by_val(type);
-			}
-			// => to main handling.
+			return abi_arg_new_expand();
 		}
+		// Else use indirect
+		return abi_arg_new_indirect_not_by_val(type);
+	}
+	if (is_vector && type_is_homogenous_aggregate(type, &base, &elements))
+	{
+		// Enough registers AND return / builtin / vector
+		if (regs->float_regs >= elements &&
+		    (is_return || type_is_builtin(type->type_kind) || type->type_kind == TYPE_VECTOR))
+		{
+			regs->float_regs -= elements;
+			return abi_arg_new_direct();
+		}
+		// HVAs are handled later.
+		if (is_return || (!type_is_builtin(type->type_kind) && type->type_kind != TYPE_VECTOR))
+		{
+			return abi_arg_new_indirect_not_by_val(type);
+		}
+		// => to main handling.
 	}
 	ByteSize size = type_size(type);
 	if (type_is_abi_aggregate(type))
diff --git a/src/compiler/llvm_codegen_c_abi_x86.c b/src/compiler/llvm_codegen_c_abi_x86.c
index 36fcdceb5..d1a0377ea 100644
--- a/src/compiler/llvm_codegen_c_abi_x86.c
+++ b/src/compiler/llvm_codegen_c_abi_x86.c
@@ -207,7 +207,6 @@ ABIArgInfo *x86_classify_return(CallABI call, Regs *regs, Type *type)
 		// Check if we can return it in a register.
 		if (x86_should_return_type_in_reg(type))
 		{
-			ByteSize size = type_size(type);
 			// Special case is floats and pointers in single field structs (except for MSVC)
 			Type *single_element = type_abi_find_single_struct_element(type);
 			if (single_element)
diff --git a/src/compiler/llvm_codegen_expr.c b/src/compiler/llvm_codegen_expr.c
index ce1c9bb75..f0d6065f4 100644
--- a/src/compiler/llvm_codegen_expr.c
+++ b/src/compiler/llvm_codegen_expr.c
@@ -4712,7 +4712,7 @@ void llvm_emit_call_expr(GenContext *c, BEValue *result_value, Expr *expr)
 	LLVMValueRef call_value = LLVMBuildCall2(c->builder, func_type, func, values, vec_size(values), "");
 	if (prototype->call_abi)
 	{
-		LLVMSetInstructionCallConv(call_value, llvm_call_convention_from_call(prototype->call_abi, platform_target.arch, platform_target.os));
+		LLVMSetInstructionCallConv(call_value, llvm_call_convention_from_call(prototype->call_abi));
 	}
 	if (expr->call_expr.force_noinline)
 	{
diff --git a/src/compiler/llvm_codegen_function.c b/src/compiler/llvm_codegen_function.c
index 0396fa4e4..f70b4c0d3 100644
--- a/src/compiler/llvm_codegen_function.c
+++ b/src/compiler/llvm_codegen_function.c
@@ -615,7 +615,7 @@ void llvm_emit_function_decl(GenContext *c, Decl *decl)
 			LLVMSetDLLStorageClass(function, LLVMDLLImportStorageClass);
 		}
 	}
-	LLVMSetFunctionCallConv(function, llvm_call_convention_from_call(prototype->call_abi, platform_target.arch, platform_target.os));
+	LLVMSetFunctionCallConv(function, llvm_call_convention_from_call(prototype->call_abi));
 
 	switch (decl->visibility)
 	{
diff --git a/src/compiler/llvm_codegen_internal.h b/src/compiler/llvm_codegen_internal.h
index f521442a6..acee87014 100644
--- a/src/compiler/llvm_codegen_internal.h
+++ b/src/compiler/llvm_codegen_internal.h
@@ -423,7 +423,7 @@ static inline bool call_supports_variadic(CallABI abi)
 	}
 }
 
-static inline LLVMCallConv llvm_call_convention_from_call(CallABI abi, ArchType arch, OsType os)
+static inline LLVMCallConv llvm_call_convention_from_call(CallABI abi)
 {
 	switch (abi)
 	{
diff --git a/src/compiler/number.c b/src/compiler/number.c
index e77a234e3..3f148388f 100644
--- a/src/compiler/number.c
+++ b/src/compiler/number.c
@@ -265,20 +265,5 @@ void expr_const_set_float(ExprConst *expr, Real d, TypeKind kind)
 	expr->const_kind = CONST_FLOAT;
 }
 
-ArraySize expr_const_list_size(const ConstInitializer *list)
-{
-	switch (list->kind)
-	{
-		case CONST_INIT_ZERO:
-			return 0;
-		case CONST_INIT_ARRAY:
-			return (ArraySize)VECLAST(list->init_array.elements)->init_array_value.index + 1;
-		case CONST_INIT_ARRAY_FULL:
-			return vec_size(list->init_array_full);
-		default:
-			UNREACHABLE
-	}
-}
-
 
 
diff --git a/src/compiler/parse_global.c b/src/compiler/parse_global.c
index c905e1368..1e6fc90c0 100644
--- a/src/compiler/parse_global.c
+++ b/src/compiler/parse_global.c
@@ -770,8 +770,6 @@ static Decl *parse_const_declaration(ParseContext *context, Visibility visibilit
 {
 	advance_and_verify(context, TOKEN_CONST);
 
-	SourceSpan span = { .loc = context->prev_tok, .end_loc = context->tok.id };
-
 	TypeInfo *type_info = NULL;
 
 	if (parse_next_is_decl(context))
@@ -792,42 +790,6 @@ static Decl *parse_const_declaration(ParseContext *context, Visibility visibilit
 	return decl;
 }
 
-/**
- * Possibilities:
- * foo(...)
- * Bar.foo(...)
- * foo::baz::bar.foo(...)
- *
- * @return true if this is a function start.
- */
-static inline bool is_function_start(ParseContext *context)
-{
-	// If it's a ! then it must be function!
-	if (TOKEN_IS(TOKEN_BANG)) return true;
-	if (TOKEN_IS(TOKEN_IDENT))
-	{
-		if (context->next_tok.type == TOKEN_EQEQ || context->next_tok.type == TOKEN_EOS) return false;
-		if (context->next_tok.type == TOKEN_LPAREN) return true;
-	}
-	TokenId current = context->tok.id;
-	TokenType tok = TOKTYPE(current);
-	while (1)
-	{
-		if (tok != TOKEN_IDENT) break;
-		tok = advance_token(&current);
-		if (tok != TOKEN_SCOPE) break;
-		tok = advance_token(&current);
-	}
-	if (tok != TOKEN_TYPE_IDENT) return false;
-	tok = advance_token(&current);
-	if (tok != TOKEN_DOT) return false;
-	tok = advance_token(&current);
-	if (tok != TOKEN_IDENT) return false;
-	tok = advance_token(&current);
-	return tok == TOKEN_LPAREN;
-}
-
-
 Decl *parse_var_decl(ParseContext *context)
 {
 	TokenId start = context->tok.id;
@@ -1501,19 +1463,6 @@ static inline TypeInfo **parse_generic_parameters(ParseContext *context)
 	return types;
 }
 
-static inline bool parse_define_optional_path(ParseContext *context, Path **path)
-{
-	if (context->tok.type != TOKEN_IDENT || context->next_tok.type != TOKEN_SCOPE)
-	{
-		*path = NULL;
-		return true;
-	}
-	bool error = false;
-	*path = parse_path_prefix(context, &error);
-	if (error) return false;
-	return true;
-}
-
 /**
  * define_type_body ::= TYPE_IDENT '=' 'distinct'? (func_typedef | type generic_params?) ';'
  *
@@ -1901,6 +1850,7 @@ static inline bool parse_enum_spec(ParseContext *context, TypeInfo **type_ref, D
 	while (!try_consume(context, TOKEN_RPAREN))
 	{
 		if (!parse_param_decl(context, parent_visibility, parameters_ref, true)) return false;
+		assert(VECLAST(*parameters_ref));
 		if (VECLAST(*parameters_ref)->var.vararg)
 		{
 			SEMA_TOKID_ERROR(context->prev_tok, "Vararg parameters are not allowed as enum parameters.");
diff --git a/src/compiler/parse_stmt.c b/src/compiler/parse_stmt.c
index 1bc1ca888..dae1de8f6 100644
--- a/src/compiler/parse_stmt.c
+++ b/src/compiler/parse_stmt.c
@@ -353,8 +353,6 @@ static inline bool parse_foreach_var(ParseContext *context, Ast *foreach)
 {
 	TypeInfo *type = NULL;
 
-	bool failable = false;
-
 	// If we don't get foreach (foo ... or foreach (*foo ... then a type is expected.
 	if (!TOKEN_IS(TOKEN_IDENT) && !TOKEN_IS(TOKEN_AMP))
 	{
@@ -498,7 +496,6 @@ static inline Ast *parse_decl_or_expr_stmt(ParseContext *context)
 	ASSIGN_EXPR_ELSE(Expr *expr, parse_expr(context), poisoned_ast);
 	Ast *ast = ast_calloc();
 	ast->span = expr->span;
-	bool failable = false;
 	// We might be parsing "int!"
 	// If so we need to unwrap this.
 	if (expr->expr_kind == EXPR_FAILABLE && expr->inner_expr->expr_kind == EXPR_TYPEINFO)
diff --git a/src/compiler/sema_casts.c b/src/compiler/sema_casts.c
index 7477924a9..dcc9e2016 100644
--- a/src/compiler/sema_casts.c
+++ b/src/compiler/sema_casts.c
@@ -141,7 +141,7 @@ bool bool_to_float(Expr *expr, Type *canonical, Type *type)
 /**
  * Cast bool to float.
  */
-bool voidfail_to_error(Expr *expr, Type *canonical, Type *type)
+bool voidfail_to_error(Expr *expr, Type *type)
 {
 	Expr *inner = expr_copy(expr);
 	expr->expr_kind = EXPR_CATCH;
@@ -1173,27 +1173,6 @@ static bool err_to_bool(Expr *expr, Type *to_type)
 	return insert_cast(expr, CAST_ERBOOL, to_type);
 }
 
-bool cast_implicit_bit_width(Expr *expr, Type *to_type)
-{
-	Type *to_canonical = to_type->canonical;
-	Type *from_canonical = expr->type->canonical;
-	if (type_is_integer(to_canonical) && type_is_integer(from_canonical))
-	{
-		if (type_is_unsigned(to_canonical) != type_is_unsigned(from_canonical))
-		{
-			if (type_is_unsigned(from_canonical))
-			{
-				to_type = type_int_unsigned_by_bitsize((uint32_t)type_size(to_canonical) * 8);
-			}
-			else
-			{
-				to_type = type_int_signed_by_bitsize((uint32_t)type_size(to_canonical) * 8);
-			}
-		}
-	}
-	return cast_implicit(expr, to_type);
-}
-
 static inline bool subarray_to_bool(Expr *expr)
 {
 	if (expr->expr_kind == EXPR_CONST && expr->const_expr.const_kind == CONST_LIST)
@@ -1345,7 +1324,7 @@ bool cast(Expr *expr, Type *to_type)
 	// Special case *! => error
 	if (to == type_anyerr || to->type_kind == TYPE_ERRTYPE)
 	{
-		if (type_is_failable(from_type)) return voidfail_to_error(expr, to, to_type);
+		if (type_is_failable(from_type)) return voidfail_to_error(expr, to_type);
 	}
 
 	if (type_is_failable_any(from_type))
diff --git a/src/compiler/target.c b/src/compiler/target.c
index 0b23a71a5..533cb37ef 100644
--- a/src/compiler/target.c
+++ b/src/compiler/target.c
@@ -30,10 +30,10 @@ int target_alloca_addr_space()
 static void type_dump(LLVMTargetDataRef llvm_target_data, LLVMTypeRef type)
 {
 	unsigned long long size = LLVMSizeOfTypeInBits(llvm_target_data, type);
-	unsigned abialign = LLVMABIAlignmentOfType(llvm_target_data, type) * 8;
-	unsigned prefalign = LLVMPreferredAlignmentOfType(llvm_target_data, type) * 8;
+	unsigned abi_align = LLVMABIAlignmentOfType(llvm_target_data, type) * 8;
+	unsigned pref_align = LLVMPreferredAlignmentOfType(llvm_target_data, type) * 8;
 
-	printf(" | %-3llu  %-3d %-3d", size, abialign, prefalign);
+	printf(" | %-3llu  %-3d %-3d", size, abi_align, pref_align);
 }
 
 
@@ -423,17 +423,17 @@ static inline void target_setup_x86_abi(BuildTarget *target)
 static inline void target_setup_x64_abi(BuildTarget *target)
 {
 	platform_target.abi = ABI_X64;
-	X86VectorCapability vector_capability;
+	X86VectorCapability capability;
 	platform_target.x64.is_win64 = platform_target.os == OS_TYPE_WIN32;
 	if (target->feature.x86_vector_capability != X86VECTOR_DEFAULT)
 	{
-		vector_capability = target->feature.x86_vector_capability;
+		capability = target->feature.x86_vector_capability;
 	}
 	else
 	{
-		vector_capability = X86VECTOR_AVX;
+		capability = X86VECTOR_AVX;
 	}
-	platform_target.x64.x86_vector_capability = vector_capability;
+	platform_target.x64.x86_vector_capability = capability;
 	if (target->feature.soft_float == SOFT_FLOAT_YES) platform_target.x64.soft_float = true;
 	if (platform_target.environment_type == ENV_TYPE_GNU)
 	{
@@ -443,7 +443,7 @@ static inline void target_setup_x64_abi(BuildTarget *target)
 	{
 		platform_target.x64.pass_int128_vector_in_mem = true;
 	}
-	switch (vector_capability)
+	switch (capability)
 	{
 		case X86VECTOR_AVX:
 			platform_target.x64.native_vector_size_avx = 32;
@@ -463,20 +463,26 @@ static inline void target_setup_x64_abi(BuildTarget *target)
 static char *arch_to_target_triple[ARCH_OS_TARGET_LAST + 1] = {
 		[X86_FREEBSD] = "i386-unknown-freebsd",
 		[X86_OPENBSD] = "i386-unknown-openbsd",
+		[X86_NETBSD] = "i386-unknown-netbsd",
 		[X86_MCU] = "i386-pc-elfiamcu",
 		[X86_WINDOWS] = "i386-pc-win32",
 		[X86_LINUX] = "i386-unknown-linux",
 		[X86_ELF] = "i386-unknown-elf",
 		[X64_DARWIN] = "x86_64-apple-darwin-1",
-		[X64_LINUX] = "x86_64-unknown-linux-gnu",
+		[X64_LINUX] = "x86_64-pc-linux-gnu",
 		[X64_WINDOWS] = "x86_64-pc-windows-msvc",
-		[X64_WINDOWS_GNU] = "x86_64-pc-windows-gnu",
-		[X64_NETBSD] = "x86_64-unknown-netbsd",
+		[X64_WINDOWS_GNU] = "x86_64-w64-windows-gnu",
+		[X64_NETBSD] = "x86_64-pc-netbsd",
+		[X64_FREEBSD] = "x86_64-pc-freebsd",
+		[X64_OPENBSD] = "x86_64-pc-openbsd",
 		[X64_ELF] = "x86_64-unknown-elf",
 		[AARCH64_LINUX] = "aarch64-unknown-linux-gnu",
 		[AARCH64_DARWIN] = "aarch64-apple-darwin",
+		[AARCH64_ELF] = "aarch64-unknown-elf",
 		[RISCV32_LINUX] = "riscv32-unknown-linux",
+		[RISCV32_ELF] = "riscv32-unknown-elf",
 		[RISCV64_LINUX] = "riscv64-unknown-linux",
+		[RISCV64_ELF] = "riscv64-unknown-elf",
 		[WASM32] = "wasm32-unknown-unknown",
 		[WASM64] = "wasm64-unknown-unknown",
 };
@@ -1223,6 +1229,9 @@ void target_setup(BuildTarget *target)
 	INITIALIZE_TARGET(X86);
 	// To support more targets, add them above.
 
+
+	if (target->arch_os_target == ARCH_OS_TARGET_DEFAULT) target->arch_os_target = default_target;
+
 	if (target->arch_os_target == ARCH_OS_TARGET_DEFAULT)
 	{
 		platform_target.target_triple = LLVM_DEFAULT_TARGET_TRIPLE;
@@ -1262,6 +1271,7 @@ void target_setup(BuildTarget *target)
 
 	platform_target.llvm_opt_level = (int)level;
 	DEBUG_LOG("Triple picked was %s.", platform_target.target_triple);
+	DEBUG_LOG("Default was %s.", LLVM_DEFAULT_TARGET_TRIPLE);
 
 	LLVMTargetMachineRef machine = llvm_target_machine_create();
 	char *target_triple = LLVMGetTargetMachineTriple(machine);
diff --git a/src/compiler/tokens.c b/src/compiler/tokens.c
index d8e596237..36a3e1d77 100644
--- a/src/compiler/tokens.c
+++ b/src/compiler/tokens.c
@@ -392,19 +392,6 @@ const char *token_type_to_string(TokenType type)
 	UNREACHABLE
 }
 
-bool token_is_symbol(TokenType type)
-{
-	switch (type)
-	{
-		case TOKEN_CONST:
-		case TOKEN_IDENT:
-		case TOKEN_TYPE_IDENT:
-			return true;
-		default:
-			return false;
-	}
-}
-
 bool token_is_type(TokenType type)
 {
 	return type >= TOKEN_VOID && type <= TOKEN_TYPEID;
@@ -415,8 +402,3 @@ bool token_is_any_type(TokenType type)
 	return (type >= TOKEN_VOID && type <= TOKEN_TYPEID) || type == TOKEN_CT_TYPE_IDENT || type == TOKEN_TYPE_IDENT;
 }
 
-bool token_is_ident_keyword(TokenType type)
-{
-	if (token_is_type(type)) return true;
-	return type >= TOKEN_ALIAS && type <= TOKEN_WHILE;
-}
diff --git a/src/compiler/types.c b/src/compiler/types.c
index 589412384..036daecd3 100644
--- a/src/compiler/types.c
+++ b/src/compiler/types.c
@@ -330,12 +330,6 @@ RETRY:
 	UNREACHABLE
 }
 
-const char *type_generate_qname(Type *type)
-{
-	if (type_is_builtin(type->type_kind)) return type->name;
-	return strformat("%s::%s", type->decl->module->name->module, type->name);
-}
-
 
 bool type_is_float_or_float_vector(Type *type)
 {
diff --git a/src/utils/errors.h b/src/utils/errors.h
index 80aec94fb..0546c1f20 100644
--- a/src/utils/errors.h
+++ b/src/utils/errors.h
@@ -26,10 +26,12 @@
 
 #define UNREACHABLE FATAL_ERROR("Should be unreachable");
 
-#if defined(__GNUC__) && __GNUC__ >= 7
+#if (defined(__GNUC__) && __GNUC__ >= 7) || defined(__clang__)
 #define FALLTHROUGH __attribute__ ((fallthrough))
+#define UNUSED __attribute__((unused))
 #else
 #define FALLTHROUGH ((void)0)
+#define UNUSED
 #endif
 
 
diff --git a/src/utils/file_utils.c b/src/utils/file_utils.c
index d47e2d0f2..6f84ef1b4 100644
--- a/src/utils/file_utils.c
+++ b/src/utils/file_utils.c
@@ -15,7 +15,6 @@
 
 #ifndef _MSC_VER
 
-#include <libgen.h>
 #include <unistd.h>
 #include <dirent.h>
 #include <limits.h>