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96 lines
3.9 KiB
C++
96 lines
3.9 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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stacksave, // Save the stack pointer
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stackrestore, // Restore the stack pointer
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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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readcyclecounter, // Read cycle counter register
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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 C library intrinsics.
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memcpy_i32, // Copy non-overlapping memory blocks. i32 size.
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memcpy_i64, // Copy non-overlapping memory blocks. i64 size.
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memmove_i32, // Copy potentially overlapping memory blocks. i32 size.
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memmove_i64, // Copy potentially overlapping memory blocks. i64 size.
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memset_i32, // Fill memory with a byte value. i32 size.
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memset_i64, // Fill memory with a byte value. i64 size.
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isunordered_f32, // Return true if either float argument is a NaN
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isunordered_f64, // Return true if either double argument is a NaN
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sqrt_f32, // Square root of float
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sqrt_f64, // Square root of double
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// Bit manipulation instrinsics.
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bswap_i16, // Byteswap 16 bits
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bswap_i32, // Byteswap 32 bits
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bswap_i64, // Byteswap 64 bits
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ctpop_i8, // Count population of sbyte
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ctpop_i16, // Count population of short
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ctpop_i32, // Count population of int
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ctpop_i64, // Count population of long
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ctlz_i8, // Count leading zeros of sbyte
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ctlz_i16, // Count leading zeros of short
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ctlz_i32, // Count leading zeros of int
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ctlz_i64, // Count leading zeros of long
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cttz_i8, // Count trailing zeros of sbyte
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cttz_i16, // Count trailing zeros of short
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cttz_i32, // Count trailing zeros of int
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cttz_i64, // Count trailing zeros of long
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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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