From b453f38a47d12fb5600472367f0bde2d6a403098 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Wed, 24 Jan 2018 23:26:18 +0100 Subject: [PATCH] ac/nir: set the noalias attribute on input pointers This attribute is similar to the definition of restrict in C99 and it might help LLVM. Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- 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 5b8c346d005..6833439cc12 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -326,6 +326,7 @@ create_llvm_function(LLVMContextRef ctx, LLVMModuleRef module, if (args->array_params_mask & (1 << i)) { LLVMValueRef P = LLVMGetParam(main_function, i); ac_add_function_attr(ctx, main_function, i + 1, AC_FUNC_ATTR_BYVAL); + ac_add_function_attr(ctx, main_function, i + 1, AC_FUNC_ATTR_NOALIAS); ac_add_attr_dereferenceable(P, UINT64_MAX); } else { -- 2.30.2