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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 | //===- SafepointIRVerifier.h - Checks for GC relocation problems *- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines a verifier which is useful for enforcing the relocation
// properties required by a relocating GC. Specifically, it looks for uses of
// the unrelocated value of pointer SSA values after a possible safepoint. It
// attempts to report no false negatives, but may end up reporting false
// positives in rare cases (see the note at the top of the corresponding cpp
// file.)
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_SAFEPOINT_IR_VERIFIER
#define LLVM_IR_SAFEPOINT_IR_VERIFIER
namespace llvm {
class Function;
class FunctionPass;
/// Run the safepoint verifier over a single function. Crashes on failure.
void verifySafepointIR(Function &F);
/// Create an instance of the safepoint verifier pass which can be added to
/// a pass pipeline to check for relocation bugs.
FunctionPass *createSafepointIRVerifierPass();
}
#endif // LLVM_IR_SAFEPOINT_IR_VERIFIER
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