1 /*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
18 * USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
22 * of the Software.
23 *
24 */
25
26 /* based on Marek's patch to lp_bld_misc.cpp */
27
28 // Workaround http://llvm.org/PR23628
29 #if HAVE_LLVM >= 0x0307
30 # pragma push_macro("DEBUG")
31 # undef DEBUG
32 #endif
33
34 #include "ac_llvm_util.h"
35 #include <llvm-c/Core.h>
36 #include <llvm/Target/TargetOptions.h>
37 #include <llvm/ExecutionEngine/ExecutionEngine.h>
38 #include <llvm/IR/Attributes.h>
39
ac_add_attr_dereferenceable(LLVMValueRef val,uint64_t bytes)40 void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes)
41 {
42 llvm::Argument *A = llvm::unwrap<llvm::Argument>(val);
43 llvm::AttrBuilder B;
44 B.addDereferenceableAttr(bytes);
45 A->addAttr(llvm::AttributeSet::get(A->getContext(), A->getArgNo() + 1, B));
46 }
47
ac_is_sgpr_param(LLVMValueRef arg)48 bool ac_is_sgpr_param(LLVMValueRef arg)
49 {
50 llvm::Argument *A = llvm::unwrap<llvm::Argument>(arg);
51 llvm::AttributeSet AS = A->getParent()->getAttributes();
52 unsigned ArgNo = A->getArgNo();
53 return AS.hasAttribute(ArgNo + 1, llvm::Attribute::ByVal) ||
54 AS.hasAttribute(ArgNo + 1, llvm::Attribute::InReg);
55 }
56