2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
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.
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
26 /* based on Marek's patch to lp_bld_misc.cpp */
28 // Workaround http://llvm.org/PR23628
29 #pragma push_macro("DEBUG")
32 #include "ac_llvm_util.h"
33 #include <llvm-c/Core.h>
34 #include <llvm/Target/TargetOptions.h>
35 #include <llvm/ExecutionEngine/ExecutionEngine.h>
36 #include <llvm/IR/Attributes.h>
37 #include <llvm/IR/CallSite.h>
38 #include <llvm/IR/IRBuilder.h>
40 #if HAVE_LLVM < 0x0500
42 typedef AttributeSet AttributeList
;
46 void ac_add_attr_dereferenceable(LLVMValueRef val
, uint64_t bytes
)
48 llvm::Argument
*A
= llvm::unwrap
<llvm::Argument
>(val
);
49 #if HAVE_LLVM < 0x0500
51 B
.addDereferenceableAttr(bytes
);
52 A
->addAttr(llvm::AttributeList::get(A
->getContext(), A
->getArgNo() + 1, B
));
54 A
->addAttr(llvm::Attribute::getWithDereferenceableBytes(A
->getContext(), bytes
));
58 bool ac_is_sgpr_param(LLVMValueRef arg
)
60 llvm::Argument
*A
= llvm::unwrap
<llvm::Argument
>(arg
);
61 llvm::AttributeList AS
= A
->getParent()->getAttributes();
62 unsigned ArgNo
= A
->getArgNo();
63 return AS
.hasAttribute(ArgNo
+ 1, llvm::Attribute::InReg
);
66 LLVMValueRef
ac_llvm_get_called_value(LLVMValueRef call
)
68 return LLVMGetCalledValue(call
);
71 bool ac_llvm_is_function(LLVMValueRef v
)
73 return LLVMGetValueKind(v
) == LLVMFunctionValueKind
;
76 LLVMBuilderRef
ac_create_builder(LLVMContextRef ctx
,
77 enum ac_float_mode float_mode
)
79 LLVMBuilderRef builder
= LLVMCreateBuilderInContext(ctx
);
81 llvm::FastMathFlags flags
;
84 case AC_FLOAT_MODE_DEFAULT
:
86 case AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH
:
87 flags
.setNoSignedZeros();
88 llvm::unwrap(builder
)->setFastMathFlags(flags
);
90 case AC_FLOAT_MODE_UNSAFE_FP_MATH
:
91 #if HAVE_LLVM >= 0x0600
94 flags
.setUnsafeAlgebra();
96 llvm::unwrap(builder
)->setFastMathFlags(flags
);