assert(0) -> LLVM_UNREACHABLE.
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
diff --git a/lib/Transforms/Scalar/GVNPRE.cpp b/lib/Transforms/Scalar/GVNPRE.cpp
index af7e039..d5098f2 100644
--- a/lib/Transforms/Scalar/GVNPRE.cpp
+++ b/lib/Transforms/Scalar/GVNPRE.cpp
@@ -39,6 +39,7 @@
#include "llvm/Support/CFG.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
#include <algorithm>
#include <deque>
#include <map>
@@ -240,7 +241,7 @@
// THIS SHOULD NEVER HAPPEN
default:
- assert(0 && "Binary operator with unknown opcode?");
+ LLVM_UNREACHABLE("Binary operator with unknown opcode?");
return Expression::ADD;
}
}
@@ -271,7 +272,7 @@
// THIS SHOULD NEVER HAPPEN
default:
- assert(0 && "Comparison with unknown predicate?");
+ LLVM_UNREACHABLE("Comparison with unknown predicate?");
return Expression::ICMPEQ;
}
} else {
@@ -307,7 +308,7 @@
// THIS SHOULD NEVER HAPPEN
default:
- assert(0 && "Comparison with unknown predicate?");
+ LLVM_UNREACHABLE("Comparison with unknown predicate?");
return Expression::FCMPOEQ;
}
}
@@ -343,7 +344,7 @@
// THIS SHOULD NEVER HAPPEN
default:
- assert(0 && "Cast operator with unknown opcode?");
+ LLVM_UNREACHABLE("Cast operator with unknown opcode?");
return Expression::BITCAST;
}
}
@@ -577,7 +578,7 @@
if (VI != valueNumbering.end())
return VI->second;
else
- assert(0 && "Value not numbered?");
+ LLVM_UNREACHABLE("Value not numbered?");
return 0;
}
@@ -767,7 +768,7 @@
if (v == VN.lookup(*I))
return *I;
- assert(0 && "No leader found, but present bit is set?");
+ LLVM_UNREACHABLE("No leader found, but present bit is set?");
return 0;
}