Add support for llvm version 19

build_odin.sh

@@ -33,13 +33,15 @@ fi
 
 if [ -z "$LLVM_CONFIG" ]; then
 	# darwin, linux, openbsd
-	if   [ -n "$(command -v llvm-config-18)" ]; then LLVM_CONFIG="llvm-config-18"
+	if   [ -n "$(command -v llvm-config-19)" ]; then LLVM_CONFIG="llvm-config-19"
+	elif [ -n "$(command -v llvm-config-18)" ]; then LLVM_CONFIG="llvm-config-18"
 	elif [ -n "$(command -v llvm-config-17)" ]; then LLVM_CONFIG="llvm-config-17"
 	elif [ -n "$(command -v llvm-config-14)" ]; then LLVM_CONFIG="llvm-config-14"
 	elif [ -n "$(command -v llvm-config-13)" ]; then LLVM_CONFIG="llvm-config-13"
 	elif [ -n "$(command -v llvm-config-12)" ]; then LLVM_CONFIG="llvm-config-12"
 	elif [ -n "$(command -v llvm-config-11)" ]; then LLVM_CONFIG="llvm-config-11"
 	# freebsd
+	elif [ -n "$(command -v llvm-config19)" ]; then  LLVM_CONFIG="llvm-config19"
 	elif [ -n "$(command -v llvm-config18)" ]; then  LLVM_CONFIG="llvm-config18"
 	elif [ -n "$(command -v llvm-config17)" ]; then  LLVM_CONFIG="llvm-config17"
 	elif [ -n "$(command -v llvm-config14)" ]; then  LLVM_CONFIG="llvm-config14"
@@ -66,15 +68,15 @@ LLVM_VERSION_MAJOR="$(echo $LLVM_VERSION | awk -F. '{print $1}')"
 LLVM_VERSION_MINOR="$(echo $LLVM_VERSION | awk -F. '{print $2}')"
 LLVM_VERSION_PATCH="$(echo $LLVM_VERSION | awk -F. '{print $3}')"
 
-if [ $LLVM_VERSION_MAJOR -lt 11 ] || ([ $LLVM_VERSION_MAJOR -gt 14 ] && [ $LLVM_VERSION_MAJOR -lt 17 ]) || [ $LLVM_VERSION_MAJOR -gt 18 ]; then
-	error "Invalid LLVM version $LLVM_VERSION: must be 11, 12, 13, 14, 17 or 18"
+if [ $LLVM_VERSION_MAJOR -lt 11 ] || ([ $LLVM_VERSION_MAJOR -gt 14 ] && [ $LLVM_VERSION_MAJOR -lt 17 ]) || [ $LLVM_VERSION_MAJOR -gt 18 ] | [ $LLVM_VERSION_MAJOR -gt 19 ]; then
+	error "Invalid LLVM version $LLVM_VERSION: must be 11, 12, 13, 14, 17, 18 or 19"
 fi
 
 case "$OS_NAME" in
 Darwin)
 	if [ "$OS_ARCH" = "arm64" ]; then
 		if [ $LLVM_VERSION_MAJOR -lt 13 ]; then
-			error "Invalid LLVM version $LLVM_VERSION: Darwin Arm64 requires LLVM 13, 14, 17 or 18"
+			error "Invalid LLVM version $LLVM_VERSION: Darwin Arm64 requires LLVM 13, 14, 17, 18 or 19"
 		fi
 	fi
 

src/llvm_backend.hpp

@@ -57,6 +57,10 @@
 #define LB_USE_NEW_PASS_SYSTEM 0
 #endif
 
+#if LLVM_VERSION_MAJOR >= 19
+#define LLVMDIBuilderInsertDeclareAtEnd(...) LLVMDIBuilderInsertDeclareRecordAtEnd(__VA_ARGS__)
+#endif
+
 gb_internal bool lb_use_new_pass_system(void) {
 	return LB_USE_NEW_PASS_SYSTEM;
 }
@@ -741,4 +745,4 @@ gb_global char const *llvm_linkage_strings[] = {
 	"linker private weak linkage"
 };
 
-#define ODIN_METADATA_IS_PACKED str_lit("odin-is-packed")
+#define ODIN_METADATA_IS_PACKED str_lit("odin-is-packed")

src/llvm_backend_expr.cpp

@@ -4594,7 +4594,11 @@ gb_internal lbAddr lb_build_addr_compound_lit(lbProcedure *p, Ast *expr) {
 					auto const &f = fields[i];
 
 					LLVMValueRef mask = LLVMConstInt(lit, 1, false);
-					mask = LLVMConstShl(mask, LLVMConstInt(lit, f.bit_size, false));
+					#if LLVM_VERSION_MAJOR >= 19
+						mask = LLVMBuildShl(p->builder, mask, LLVMConstInt(lit, f.bit_size, false), "");
+					#else
+						mask = LLVMConstShl(mask, LLVMConstInt(lit, f.bit_size, false));
+					#endif
 					mask = LLVMConstSub(mask, LLVMConstInt(lit, 1, false));
 
 					LLVMValueRef elem = values[i].value;
@@ -4642,7 +4646,11 @@ gb_internal lbAddr lb_build_addr_compound_lit(lbProcedure *p, Ast *expr) {
 						bits_to_set -= mask_width;
 
 						LLVMValueRef mask = LLVMConstInt(vt, 1, false);
-						mask = LLVMConstShl(mask, LLVMConstInt(vt, mask_width, false));
+						#if LLVM_VERSION_MAJOR >= 19
+							mask = LLVMBuildShl(p->builder, mask, LLVMConstInt(vt, mask_width, false), "");
+						#else
+							mask = LLVMConstShl(mask, LLVMConstInt(vt, mask_width, false));
+						#endif
 						mask = LLVMConstSub(mask, LLVMConstInt(vt, 1, false));
 
 						LLVMValueRef to_set = LLVMBuildAnd(p->builder, val, mask, "");