Mesa (master): ac: Silence a compiler warning about results[0].

[Eric Anholt]

Module: Mesa
Branch: master
Commit: ba85525fcec65e021304a7ecd21e8fd20ce39f2d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ba85525fcec65e021304a7ecd21e8fd20ce39f2d

Author: Eric Anholt <eric at anholt.net>
Date:   Tue Oct 17 13:46:50 2017 -0700

ac: Silence a compiler warning about results[0].

We know that num_components will be > 0, but it doesn't.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

---

 src/amd/common/ac_nir_to_llvm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 2ddc748b5b..2e50e50b12 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -2541,6 +2541,7 @@ static LLVMValueRef visit_load_buffer(struct ac_nir_context *ctx,
 
 	}
 
+	assume(results[0]);
 	LLVMValueRef ret = results[0];
 	if (num_components > 4 || num_components == 3) {
 		LLVMValueRef masks[] = {