From 473df0c106c6b72321832d7e9c7d656f46762a9a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 20 Jan 2026 20:17:03 +0100
Subject: [PATCH] llvm: switch to wasip<n> for preview wasi versions in triples

---
 src/codegen/llvm.zig | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index 4f1da37e9f..3c34860c00 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -256,11 +256,15 @@ pub fn targetTriple(allocator: Allocator, target: *const std.Target) ![]const u8
         .none,
         .windows,
         => {},
-        .semver => |ver| try llvm_triple.print("{d}.{d}.{d}", .{
-            ver.min.major,
-            ver.min.minor,
-            ver.min.patch,
-        }),
+        .semver => |ver| if (target.os.tag == .wasi and ver.min.major == 0) {
+            try llvm_triple.print("p{d}", .{ver.min.minor});
+        } else {
+            try llvm_triple.print("{d}.{d}.{d}", .{
+                ver.min.major,
+                ver.min.minor,
+                ver.min.patch,
+            });
+        },
         inline .linux, .hurd => |ver| try llvm_triple.print("{d}.{d}.{d}", .{
             ver.range.min.major,
             ver.range.min.minor,