From 851a7caf1a1a145a815aa11bf29aeaceca94e8c1 Mon Sep 17 00:00:00 2001
From: Jakub Kądziołka <kuba@kadziolka.net>
Date: Sun, 7 Jun 2020 23:25:40 +0200
Subject: gnu: llvm-9: Backport patches to fix miscompilations.

* gnu/packages/llvm.scm (llvm-9)[source]: Add new patches.
* gnu/packages/patches/llvm-9-fix-lpad-miscompilation.patch,
  gnu/packages/patches/llvm-9-fix-scev-miscompilation.patch: New files.
* gnu/local.mk (dist_patch_DATA): Register new patches.
---
 gnu/packages/llvm.scm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'gnu/packages/llvm.scm')

diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 11e4cfbe4c..7723ff5bc1 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -15,6 +15,7 @@
 ;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2019 Brett Gilio <brettg@gnu.org>
 ;;; Copyright © 2020 Giacomo Leidi <goodoldpaul@autistici.org>
+;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -510,7 +511,11 @@ (define-public llvm-9
        (uri (llvm-download-uri "llvm" version))
        (sha256
         (base32
-         "16hwp3qa54c3a3v7h8nlw0fh5criqh0hlr1skybyk0cz70gyx880"))))))
+         "16hwp3qa54c3a3v7h8nlw0fh5criqh0hlr1skybyk0cz70gyx880"))
+       (patch-flags '("-p2"))
+       (patches (search-patches
+                  "llvm-9-fix-scev-miscompilation.patch"
+                  "llvm-9-fix-lpad-miscompilation.patch"))))))
 
 (define-public clang-runtime-9
   (clang-runtime-from-llvm
-- 
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