Mesa (master): llvmpipe: Enable mem2reg pass even with LP_DEBUG=nopt.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Wed May 12 19:18:38 UTC 2010
Module: Mesa
Branch: master
Commit: 5326e1846dbe0a37dff7f411a3d76ba91dc8d37c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5326e1846dbe0a37dff7f411a3d76ba91dc8d37c
Author: José Fonseca <jfonseca at vmware.com>
Date: Wed May 12 20:04:11 2010 +0100
llvmpipe: Enable mem2reg pass even with LP_DEBUG=nopt.
Otherwise things start crashing.
---
src/gallium/drivers/llvmpipe/lp_jit.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
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);
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