https://github.com/mikolaj-pirog created 
https://github.com/llvm/llvm-project/pull/221796

As in title. Also removed deleted arches. The test was previously accepting any 
string



From bb47560c93710fa2f376a560f5ab7d5e449a04fd Mon Sep 17 00:00:00 2001
From: "Pirog, Mikolaj Maciej" <[email protected]>
Date: Mon, 7 Sep 2026 19:45:41 +0200
Subject: [PATCH] Make the test fail on warnings

---
 clang/test/CodeGen/target-builtin-noerror.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/clang/test/CodeGen/target-builtin-noerror.c 
b/clang/test/CodeGen/target-builtin-noerror.c
index 86e74154cef4c..41d45427dab58 100644
--- a/clang/test/CodeGen/target-builtin-noerror.c
+++ b/clang/test/CodeGen/target-builtin-noerror.c
@@ -1,5 +1,5 @@
 // REQUIRES: x86-registered-target
-// RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -o -
+// RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -o - -Werror
 #define __MM_MALLOC_H
 
 #include <x86intrin.h>
@@ -70,8 +70,6 @@ void verifyfeaturestrings(void) {
   (void)__builtin_cpu_supports("avx512cd");
   (void)__builtin_cpu_supports("avx512vbmi");
   (void)__builtin_cpu_supports("avx512ifma");
-  (void)__builtin_cpu_supports("avx5124vnniw");
-  (void)__builtin_cpu_supports("avx5124fmaps");
   (void)__builtin_cpu_supports("avx512vpopcntdq");
   (void)__builtin_cpu_supports("avx512vbmi2");
   (void)__builtin_cpu_supports("gfni");
@@ -83,7 +81,6 @@ void verifyfeaturestrings(void) {
   (void)__builtin_cpu_supports("avx512vp2intersect");
   (void)__builtin_cpu_supports("f16c");
   (void)__builtin_cpu_supports("avx512fp16");
-  (void)__builtin_cpu_supports("3dnow");
   (void)__builtin_cpu_supports("adx");
   (void)__builtin_cpu_supports("cldemote");
   (void)__builtin_cpu_supports("clflushopt");
@@ -100,7 +97,6 @@ void verifyfeaturestrings(void) {
   (void)__builtin_cpu_supports("mwaitx");
   (void)__builtin_cpu_supports("pconfig");
   (void)__builtin_cpu_supports("pku");
-  (void)__builtin_cpu_supports("prefetchwt1");
   (void)__builtin_cpu_supports("prfchw");
   (void)__builtin_cpu_supports("ptwrite");
   (void)__builtin_cpu_supports("rdpid");

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