90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*/
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/* based on Marek's patch to lp_bld_misc.cpp */
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// Workaround http://llvm.org/PR23628
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#pragma push_macro("DEBUG")
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#undef DEBUG
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#include "ac_llvm_util.h"
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#include <llvm-c/Core.h>
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#include <llvm/Target/TargetOptions.h>
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#include <llvm/ExecutionEngine/ExecutionEngine.h>
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#include <llvm/IR/Attributes.h>
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#include <llvm/IR/CallSite.h>
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#include <llvm/IR/IRBuilder.h>
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void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes)
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{
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llvm::Argument *A = llvm::unwrap<llvm::Argument>(val);
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A->addAttr(llvm::Attribute::getWithDereferenceableBytes(A->getContext(), bytes));
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}
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bool ac_is_sgpr_param(LLVMValueRef arg)
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{
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llvm::Argument *A = llvm::unwrap<llvm::Argument>(arg);
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llvm::AttributeList AS = A->getParent()->getAttributes();
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unsigned ArgNo = A->getArgNo();
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return AS.hasAttribute(ArgNo + 1, llvm::Attribute::InReg);
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}
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LLVMValueRef ac_llvm_get_called_value(LLVMValueRef call)
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{
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return LLVMGetCalledValue(call);
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}
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bool ac_llvm_is_function(LLVMValueRef v)
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{
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return LLVMGetValueKind(v) == LLVMFunctionValueKind;
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}
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LLVMBuilderRef ac_create_builder(LLVMContextRef ctx,
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enum ac_float_mode float_mode)
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{
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LLVMBuilderRef builder = LLVMCreateBuilderInContext(ctx);
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llvm::FastMathFlags flags;
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switch (float_mode) {
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case AC_FLOAT_MODE_DEFAULT:
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break;
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case AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH:
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flags.setNoSignedZeros();
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llvm::unwrap(builder)->setFastMathFlags(flags);
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break;
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case AC_FLOAT_MODE_UNSAFE_FP_MATH:
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#if HAVE_LLVM >= 0x0600
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flags.setFast();
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#else
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flags.setUnsafeAlgebra();
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#endif
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llvm::unwrap(builder)->setFastMathFlags(flags);
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break;
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}
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return builder;
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}
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