From 76558f8c6b8361ab520ea77e4b4cd2bfc8f688ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sat, 22 Feb 2025 12:23:53 +0100
Subject: [PATCH] llvm: Fix C ABI integer promotion for loongarch64.

It appears to just be a 1:1 copy of riscv64, including the super weird sign
extension quirk for u32.

Contributes to #21671.
---
 src/codegen/llvm.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index a6dbb08a42..fe68721665 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -12578,7 +12578,7 @@ fn ccAbiPromoteInt(
             else => null,
         },
         else => switch (target.cpu.arch) {
-            .riscv64 => switch (int_info.bits) {
+            .loongarch64, .riscv64 => switch (int_info.bits) {
                 0...16 => int_info.signedness,
                 32 => .signed, // LLVM always signextends 32 bit ints, unsure if bug.
                 17...31, 33...63 => int_info.signedness,