/usr/lib/llvm-4.0/include/polly/CodeGen/RuntimeDebugBuilder.h is in libclang-common-4.0-dev 1:4.0.1-10~deb9u2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | //===--- RuntimeDebugBuilder.h --- Helper to insert prints into LLVM-IR ---===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
#ifndef RUNTIME_DEBUG_BUILDER_H
#define RUNTIME_DEBUG_BUILDER_H
#include "polly/CodeGen/IRBuilder.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include <vector>
namespace llvm {
class Value;
class Function;
} // namespace llvm
namespace polly {
/// Insert function calls that print certain LLVM values at run time.
///
/// This class inserts libc function calls to print certain LLVM values at
/// run time.
struct RuntimeDebugBuilder {
/// Print a set of LLVM-IR Values or StringRefs via printf
///
/// This function emits a call to printf that will print the given arguments.
/// It is useful for debugging CPU programs. All arguments given in this list
/// will be automatically concatenated and the resulting string will be
/// printed atomically. We also support ArrayRef arguments, which can be used
/// to provide of id values.
///
/// @param Builder The builder used to emit the printer calls.
/// @param Args The list of values to print.
template <typename... Args>
static void createCPUPrinter(PollyIRBuilder &Builder, Args... args) {
std::vector<llvm::Value *> Vector;
createPrinter(Builder, /* CPU */ false, Vector, args...);
}
/// Print a set of LLVM-IR Values or StringRefs on an NVIDIA GPU.
///
/// This function emits a call to vprintf that will print the given
/// arguments from within a kernel thread. It is useful for debugging
/// CUDA program kernels. All arguments given in this list will be
/// automatically concatenated and the resulting string will be printed
/// atomically. We also support ArrayRef arguments, which can be used to
/// provide for example a list of thread-id values.
///
/// @param Builder The builder used to emit the printer calls.
/// @param Args The list of values to print.
template <typename... Args>
static void createGPUPrinter(PollyIRBuilder &Builder, Args... args) {
std::vector<llvm::Value *> Vector;
createPrinter(Builder, /* GPU */ true, Vector, args...);
}
private:
/// Handle Values.
template <typename... Args>
static void createPrinter(PollyIRBuilder &Builder, bool UseGPU,
std::vector<llvm::Value *> &Values,
llvm::Value *Value, Args... args) {
Values.push_back(Value);
createPrinter(Builder, UseGPU, Values, args...);
}
/// Handle StringRefs.
template <typename... Args>
static void createPrinter(PollyIRBuilder &Builder, bool UseGPU,
std::vector<llvm::Value *> &Values,
llvm::StringRef String, Args... args) {
Values.push_back(Builder.CreateGlobalStringPtr(String, "", 4));
createPrinter(Builder, UseGPU, Values, args...);
}
/// Handle ArrayRefs.
template <typename... Args>
static void createPrinter(PollyIRBuilder &Builder, bool UseGPU,
std::vector<llvm::Value *> &Values,
llvm::ArrayRef<llvm::Value *> Array, Args... args) {
if (Array.size() >= 2)
createPrinter(Builder, Values, Array[0], " ",
llvm::ArrayRef<llvm::Value *>(&Array[1], Array.size() - 1),
args...);
else if (Array.size() == 1)
createPrinter(Builder, UseGPU, Values, Array[0], args...);
else
createPrinter(Builder, UseGPU, Values, args...);
}
/// Print a list of Values.
static void createPrinter(PollyIRBuilder &Builder, bool UseGPU,
llvm::ArrayRef<llvm::Value *> Values);
/// Print a list of Values on a GPU.
static void createGPUPrinterT(PollyIRBuilder &Builder,
llvm::ArrayRef<llvm::Value *> Values);
/// Print a list of Values on a CPU.
static void createCPUPrinterT(PollyIRBuilder &Builder,
llvm::ArrayRef<llvm::Value *> Values);
/// Get a reference to the 'printf' function.
///
/// If the current module does not yet contain a reference to printf, we
/// insert a reference to it. Otherwise the existing reference is returned.
static llvm::Function *getPrintF(PollyIRBuilder &Builder);
/// Call printf
///
/// @param Builder The builder used to insert the code.
/// @param Format The format string.
/// @param Values The set of values to print.
static void createPrintF(PollyIRBuilder &Builder, std::string Format,
llvm::ArrayRef<llvm::Value *> Values);
/// Get (and possibly insert) a vprintf declaration into the module.
static llvm::Function *getVPrintF(PollyIRBuilder &Builder);
/// Call fflush
///
/// @parma Builder The builder used to insert the code.
static void createFlush(PollyIRBuilder &Builder);
/// Get (and possibly insert) a NVIDIA address space cast call.
static llvm::Function *getAddressSpaceCast(PollyIRBuilder &Builder,
unsigned Src, unsigned Dst,
unsigned SrcBits = 8,
unsigned DstBits = 8);
/// Get identifiers that describe the currently executed GPU thread.
///
/// The result will be a vector that if passed to the GPU printer will result
/// into a string (initialized to values corresponding to the printing
/// thread):
///
/// "> block-id: bidx bid1y bidz | thread-id: tidx tidy tidz "
static std::vector<llvm::Value *>
getGPUThreadIdentifiers(PollyIRBuilder &Builder);
};
} // namespace polly
#endif
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