stage2: append min version to target triple when lowering to LLVM

1 files changed, 67 insertions, 44 deletions

diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index b9c8e5437f..5f071af017 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -86,50 +86,73 @@ pub fn targetTriple(allocator: Allocator, target: std.Target) ![:0]u8 {
         .spirv64 => return error.@"LLVM backend does not support SPIR-V",
     };
 
-    const llvm_os = switch (target.os.tag) {
-        .freestanding => "unknown",
-        .ananas => "ananas",
-        .cloudabi => "cloudabi",
-        .dragonfly => "dragonfly",
-        .freebsd => "freebsd",
-        .fuchsia => "fuchsia",
-        .ios => "ios",
-        .kfreebsd => "kfreebsd",
-        .linux => "linux",
-        .lv2 => "lv2",
-        .macos => "macosx",
-        .netbsd => "netbsd",
-        .openbsd => "openbsd",
-        .solaris => "solaris",
-        .windows => "windows",
-        .zos => "zos",
-        .haiku => "haiku",
-        .minix => "minix",
-        .rtems => "rtems",
-        .nacl => "nacl",
-        .aix => "aix",
-        .cuda => "cuda",
-        .nvcl => "nvcl",
-        .amdhsa => "amdhsa",
-        .ps4 => "ps4",
-        .elfiamcu => "elfiamcu",
-        .tvos => "tvos",
-        .watchos => "watchos",
-        .mesa3d => "mesa3d",
-        .contiki => "contiki",
-        .amdpal => "amdpal",
-        .hermit => "hermit",
-        .hurd => "hurd",
-        .wasi => "wasi",
-        .emscripten => "emscripten",
-        .uefi => "windows",
-
-        .opencl,
-        .glsl450,
-        .vulkan,
-        .plan9,
-        .other,
-        => "unknown",
+    const llvm_os = blk: {
+        if (target.os.tag.isDarwin()) {
+            const min_version = target.os.version_range.semver.min;
+            const llvm_os = switch (target.os.tag) {
+                .macos => "macosx",
+                .ios => "ios",
+                .tvos => "tvos",
+                .watchos => "watchos",
+                else => unreachable,
+            };
+            break :blk try std.fmt.allocPrintZ(allocator, "{s}{d}.{d}.{d}", .{
+                llvm_os,
+                min_version.major,
+                min_version.minor,
+                min_version.patch,
+            });
+        }
+
+        const llvm_os = switch (target.os.tag) {
+            .freestanding => "unknown",
+            .ananas => "ananas",
+            .cloudabi => "cloudabi",
+            .dragonfly => "dragonfly",
+            .freebsd => "freebsd",
+            .fuchsia => "fuchsia",
+            .kfreebsd => "kfreebsd",
+            .linux => "linux",
+            .lv2 => "lv2",
+            .netbsd => "netbsd",
+            .openbsd => "openbsd",
+            .solaris => "solaris",
+            .windows => "windows",
+            .zos => "zos",
+            .haiku => "haiku",
+            .minix => "minix",
+            .rtems => "rtems",
+            .nacl => "nacl",
+            .aix => "aix",
+            .cuda => "cuda",
+            .nvcl => "nvcl",
+            .amdhsa => "amdhsa",
+            .ps4 => "ps4",
+            .elfiamcu => "elfiamcu",
+            .mesa3d => "mesa3d",
+            .contiki => "contiki",
+            .amdpal => "amdpal",
+            .hermit => "hermit",
+            .hurd => "hurd",
+            .wasi => "wasi",
+            .emscripten => "emscripten",
+            .uefi => "windows",
+
+            .opencl,
+            .glsl450,
+            .vulkan,
+            .plan9,
+            .other,
+            => "unknown",
+
+            .macos,
+            .ios,
+            .tvos,
+            .watchos,
+            => unreachable,
+        };
+
+        break :blk llvm_os;
     };
 
     const llvm_abi = switch (target.abi) {