From 3ed6379192ceffdc1b85cd83c16e87cd477e2043 Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Tue, 25 May 2021 19:41:41 +0200
Subject: [PATCH] stage1: Store target info in the LLVM module

This is needed to let LLVM (or, better, libLTO) produce code using the
target options specified by the user.

Fix #8803
---
 src/stage1/codegen.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/stage1/codegen.cpp b/src/stage1/codegen.cpp
index 85b464baca..1a6f047ee1 100644
--- a/src/stage1/codegen.cpp
+++ b/src/stage1/codegen.cpp
@@ -589,6 +589,13 @@ static LLVMValueRef make_fn_llvm_value(CodeGen *g, ZigFn *fn) {
         // use the ABI alignment, which is fine.
     }
 
+    if (g->zig_target->llvm_cpu_name != nullptr) {
+        ZigLLVMAddFunctionAttr(llvm_fn, "target-cpu", g->zig_target->llvm_cpu_name);
+    }
+    if (g->zig_target->llvm_cpu_features != nullptr) {
+        ZigLLVMAddFunctionAttr(llvm_fn, "target-features", g->zig_target->llvm_cpu_features);
+    }
+
     if (is_async) {
         addLLVMArgAttr(llvm_fn, 0, "nonnull");
     } else {