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Use llvm_unreachable for "impossible" situations.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119705 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-11-18 17:05:57 +00:00
parent ce56262211
commit 88fc03c461
1 changed files with 6 additions and 3 deletions
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9
lib/Analysis/PHITransAddr.cpp
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@ -15,6 +15,7 @@
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
@ -66,9 +67,10 @@ static bool VerifySubExpr(Value *Expr,
// If it isn't in the InstInputs list it is a subexpr incorporated into the
// address. Sanity check that it is phi translatable.
if (!CanPHITrans(I)) {
errs() << "Non phi translatable instruction found in PHITransAddr, either "
"something is missing from InstInputs or CanPHITrans is wrong:\n";
errs() << "Non phi translatable instruction found in PHITransAddr:\n";
errs() << *I << '\n';
llvm_unreachable("Either something is missing from InstInputs or "
"CanPHITrans is wrong.");
return false;
}
@ -92,9 +94,10 @@ bool PHITransAddr::Verify() const {
return false;
if (!Tmp.empty()) {
errs() << "PHITransAddr inconsistent, contains extra instructions:\n";
errs() << "PHITransAddr contains extra instructions:\n";
for (unsigned i = 0, e = InstInputs.size(); i != e; ++i)
errs() << " InstInput #" << i << " is " << *InstInputs[i] << "\n";
llvm_unreachable("This is unexpected.");
return false;
}