From: José Fonseca <jfonseca@vmware.com>
Date: Sun, 16 Aug 2009 09:02:17 +0000 (+0100)
Subject: llvmpipe: Shader function arguments don't alias.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a7f9b915aeade96d8ca58d70a1f1d42cd6a16e3d;p=mesa.git

llvmpipe: Shader function arguments don't alias.
---

diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index c148a9f8e7a..b9bb7abb0b0 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -88,6 +88,8 @@ shader_generate(struct llvmpipe_screen *screen,
 
    shader->function = LLVMAddFunction(screen->module, "shader", func_type);
    LLVMSetFunctionCallConv(shader->function, LLVMCCallConv);
+   for(i = 0; i < Elements(arg_types); ++i)
+      LLVMAddAttribute(LLVMGetParam(shader->function, i), LLVMNoAliasAttribute);
 
    pos_ptr = LLVMGetParam(shader->function, 0);
    a0_ptr = LLVMGetParam(shader->function, 1);