From 437311756d88984d9bf3057d9cd93986c15434fa Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Thu, 18 Aug 2022 10:49:09 -0700
Subject: LLVM: add DLL export attribute

This was present in stage1 but missing from self-hosted.
---
 src/codegen/llvm.zig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/codegen/llvm.zig')

diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index 0898c8fe87..d50b463606 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -1103,6 +1103,7 @@ pub const Object = struct {
             }
             llvm_global.setUnnamedAddr(.False);
             llvm_global.setLinkage(.External);
+            if (module.wantDllExports()) llvm_global.setDLLStorageClass(.Default);
             if (self.di_map.get(decl)) |di_node| {
                 if (try decl.isFunction()) {
                     const di_func = @ptrCast(*llvm.DISubprogram, di_node);
@@ -1128,6 +1129,7 @@ pub const Object = struct {
             const exp_name = exports[0].options.name;
             llvm_global.setValueName2(exp_name.ptr, exp_name.len);
             llvm_global.setUnnamedAddr(.False);
+            if (module.wantDllExports()) llvm_global.setDLLStorageClass(.DLLExport);
             if (self.di_map.get(decl)) |di_node| {
                 if (try decl.isFunction()) {
                     const di_func = @ptrCast(*llvm.DISubprogram, di_node);
@@ -1187,6 +1189,7 @@ pub const Object = struct {
             defer module.gpa.free(fqn);
             llvm_global.setValueName2(fqn.ptr, fqn.len);
             llvm_global.setLinkage(.Internal);
+            if (module.wantDllExports()) llvm_global.setDLLStorageClass(.Default);
             llvm_global.setUnnamedAddr(.True);
             if (decl.val.castTag(.variable)) |variable| {
                 const single_threaded = module.comp.bin_file.options.single_threaded;
-- 
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