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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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7
lib/Analysis/ConstantFolding.cpp
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@ -23,6 +23,7 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/MathExtras.h"
#include <cerrno>
@ -365,7 +366,7 @@ Constant *llvm::ConstantFoldInstOperands(unsigned Opcode, const Type *DestTy,
return 0;
case Instruction::ICmp:
case Instruction::FCmp:
assert(0 &&"This function is invalid for compares: no predicate specified");
LLVM_UNREACHABLE("This function is invalid for compares: no predicate specified");
case Instruction::PtrToInt:
// If the input is a inttoptr, eliminate the pair. This requires knowing
// the width of a pointer, so it can't be done in ConstantExpr::getCast.
@ -690,7 +691,7 @@ static Constant *ConstantFoldFP(double (*NativeFP)(double), double V,
return Context->getConstantFP(APFloat((float)V));
if (Ty == Type::DoubleTy)
return Context->getConstantFP(APFloat(V));
assert(0 && "Can only constant fold float/double");
LLVM_UNREACHABLE("Can only constant fold float/double");
return 0; // dummy return to suppress warning
}
@ -709,7 +710,7 @@ static Constant *ConstantFoldBinaryFP(double (*NativeFP)(double, double),
return Context->getConstantFP(APFloat((float)V));
if (Ty == Type::DoubleTy)
return Context->getConstantFP(APFloat(V));
assert(0 && "Can only constant fold float/double");
LLVM_UNREACHABLE("Can only constant fold float/double");
return 0; // dummy return to suppress warning
}