Compilation: enable the x86_64 backend by default for debug builds

Closes #22257

1 files changed, 9 insertions, 5 deletions

diff --git a/src/Compilation/Config.zig b/src/Compilation/Config.zig
index 49b5328a3a..b6d16d57ec 100644
--- a/src/Compilation/Config.zig
+++ b/src/Compilation/Config.zig
@@ -195,10 +195,7 @@ pub fn resolve(options: Options) ResolveError!Config {
     // Note that using the LLVM backend does not necessarily mean using LLVM libraries.
     // For example, Zig can emit .bc and .ll files directly, and this is still considered
     // using "the LLVM backend".
-    const use_llvm = b: {
-        // If we have no zig code to compile, no need for LLVM.
-        if (!options.have_zcu) break :b false;
-
+    const can_use_llvm = b: {
         // If emitting to LLVM bitcode object format, must use LLVM backend.
         if (options.emit_llvm_ir or options.emit_llvm_bc) {
             if (options.use_llvm == false)
@@ -237,6 +234,13 @@ pub fn resolve(options: Options) ResolveError!Config {
         break :b !target_util.selfHostedBackendIsAsRobustAsLlvm(target);
     };
 
+    const use_llvm = b: {
+        // If we have no zig code to compile, no need for LLVM.
+        if (!options.have_zcu) break :b false;
+
+        break :b can_use_llvm;
+    };
+
     if (options.emit_bin and options.have_zcu) {
         if (!use_lib_llvm and use_llvm) {
             // Explicit request to use LLVM to produce an object file, but without
@@ -273,7 +277,7 @@ pub fn resolve(options: Options) ResolveError!Config {
         }
 
         if (options.use_lld) |x| break :b x;
-        break :b true;
+        break :b can_use_llvm;
     };
 
     // Make a decision on whether to use Clang or Aro for translate-c and compiling C files.