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93b68b20d4
Use debug info in the IR to find the directory/file:line:col. Each time that location changes, bump a counter. Unlike the existing profiling system, we don't try to look at argv[], and thusly don't require main() to be present in the IR. This matches GCC's technique where you specify the profiling flag when producing each .o file. The runtime library is minimal, currently just calling printf at program shutdown time. The API is designed to make it possible to emit GCOV data later on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129340 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
//===-- Instrumentation.cpp - TransformUtils Infrastructure ---------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// 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 the common initialization infrastructure for the
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// Instrumentation library.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/InitializePasses.h"
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#include "llvm-c/Initialization.h"
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using namespace llvm;
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/// initializeInstrumentation - Initialize all passes in the TransformUtils
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/// library.
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void llvm::initializeInstrumentation(PassRegistry &Registry) {
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initializeEdgeProfilerPass(Registry);
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initializeOptimalEdgeProfilerPass(Registry);
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initializePathProfilerPass(Registry);
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initializeLineProfilerPass(Registry);
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}
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/// LLVMInitializeInstrumentation - C binding for
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/// initializeInstrumentation.
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void LLVMInitializeInstrumentation(LLVMPassRegistryRef R) {
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initializeInstrumentation(*unwrap(R));
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}
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