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8b64bd0fd5
population (ctpop). Generic lowering is implemented, however only promotion is implemented for SelectionDAG at the moment. More coming soon. llvm-svn: 21676
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
//===-- llvm/Instrinsics.h - LLVM Intrinsic Function Handling ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a set of enums which allow processing of intrinsic
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// functions. Values of these enum types are returned by
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// Function::getIntrinsicID.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_INTRINSICS_H
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#define LLVM_INTRINSICS_H
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namespace llvm {
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/// Intrinsic Namespace - This namespace contains an enum with a value for
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/// every intrinsic/builtin function known by LLVM. These enum values are
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/// returned by Function::getIntrinsicID().
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///
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namespace Intrinsic {
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enum ID {
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not_intrinsic = 0, // Must be zero
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// Varargs handling intrinsics.
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vastart, // Used to implement the va_start macro in C
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vaend, // Used to implement the va_end macro in C
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vacopy, // Used to implement the va_copy macro in C
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// Code generator intrinsics.
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returnaddress, // Yields the return address of a dynamic call frame
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frameaddress, // Yields the frame address of a dynamic call frame
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prefetch, // Prefetch a value into the cache
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pcmarker, // Export a PC from near the marker
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// setjmp/longjmp intrinsics.
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setjmp, // Used to represent a setjmp call in C
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longjmp, // Used to represent a longjmp call in C
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sigsetjmp, // Used to represent a sigsetjmp call in C
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siglongjmp, // Used to represent a siglongjmp call in C
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// Garbage Collection intrinsics.
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gcroot, // Defines a new GC root on the stack
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gcread, // Defines a read of a heap object (for read barriers)
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gcwrite, // Defines a write to a heap object (for write barriers)
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// Debugging intrinsics.
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dbg_stoppoint, // Represents source lines and breakpointable places
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dbg_region_start, // Start of a region
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dbg_region_end, // End of a region
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dbg_func_start, // Start of a function
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dbg_declare, // Declare a local object
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// Standard libc functions.
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memcpy, // Copy non-overlapping memory blocks
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memmove, // Copy potentially overlapping memory blocks
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memset, // Fill memory with a byte value
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// libm related functions.
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isunordered, // Return true if either argument is a NaN
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ctpop, //count population
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ctlz, //count leading zeros
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cttz, //count trailing zeros
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sqrt, //square root
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// Input/Output intrinsics.
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readport,
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writeport,
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readio,
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writeio
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};
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} // End Intrinsic namespace
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} // End llvm namespace
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#endif
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