From 5326e1846dbe0a37dff7f411a3d76ba91dc8d37c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jfonseca@vmware.com>
Date: Wed, 12 May 2010 20:04:11 +0100
Subject: [PATCH] llvmpipe: Enable mem2reg pass even with LP_DEBUG=nopt.

Otherwise things start crashing.
---
 src/gallium/drivers/llvmpipe/lp_jit.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c
index b10ee7a..243aea6 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.c
+++ b/src/gallium/drivers/llvmpipe/lp_jit.c
@@ -195,6 +195,11 @@ lp_jit_screen_init(struct llvmpipe_screen *screen)
          LLVMAddInstructionCombiningPass(screen->pass);
       }
       LLVMAddGVNPass(screen->pass);
+   } else {
+      /* We need at least this pass to prevent the backends to fail in
+       * unexpected ways.
+       */
+      LLVMAddPromoteMemoryToRegisterPass(screen->pass);
    }
 
    lp_jit_init_globals(screen);
-- 
2.7.4