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assert(0) -> LLVM_UNREACHABLE.

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Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin
2009-07-11 20:10:48 +00:00
parent d51ffcf303
commit c25e7581b9
153 changed files with 695 additions and 610 deletions
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3
lib/CodeGen/BranchFolding.cpp
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@ -27,6 +27,7 @@
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
@ -461,7 +462,7 @@ static bool MergeCompare(const std::pair<unsigned,MachineBasicBlock*> &p,
// _GLIBCXX_DEBUG checks strict weak ordering, which involves comparing
// an object with itself.
#ifndef _GLIBCXX_DEBUG
assert(0 && "Predecessor appears twice");
LLVM_UNREACHABLE("Predecessor appears twice");
#endif
return false;
}