[llvm] [bazel] Port 9d5a42c8411b22fdcfb80dbbda4d68d6aa957328 (PR #179218)

[Benjamin Kramer via llvm-commits]

https://github.com/d0k created https://github.com/llvm/llvm-project/pull/179218

None

>From 0d5cefaed76af93335d73a3e837500ed6d415f75 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra at googlemail.com>
Date: Mon, 2 Feb 2026 13:14:28 +0100
Subject: [PATCH] [bazel] Port 9d5a42c8411b22fdcfb80dbbda4d68d6aa957328

---
 utils/bazel/llvm-project-overlay/llvm/BUILD.bazel | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
index e83a237a5397f..0110ed5e66f6d 100644
--- a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
@@ -3429,6 +3429,13 @@ llvm_target_lib_list = [lib for lib in [
                 ],
                 "lib/Target/X86/X86GenPreLegalizeGICombiner.inc",
             ),
+            (
+                [
+                    "-gen-global-isel-combiner",
+                    "-combiners=X86PostLegalizerCombiner",
+                ],
+                "lib/Target/X86/X86GenPostLegalizeGICombiner.inc",
+            ),
             (
                 ["-gen-callingconv"],
                 "lib/Target/X86/X86GenCallingConv.inc",