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After converting assert(0) to LLVM_UNREACHABLE we lost file/line location.

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Fix by making the LLVM_UNREACHABLE pass __FILE__ and __LINE__ to
llvm_unreachable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75631 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin
2009-07-14 12:49:22 +00:00
parent 481d15a122
commit 93990d775e
3 changed files with 12 additions and 4 deletions
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8
include/llvm/Support/ErrorHandling.h
View File

@@ -49,11 +49,15 @@ namespace llvm {
/// This function calls abort(), and prints the optional message to stderr.
/// Call this instead of assert(0), so that compiler knows the path is not
/// reachable even for NDEBUG builds.
void llvm_unreachable(const char *msg=0) NORETURN;
/// Use the LLVM_UNREACHABLE macro instead that adds location info.
void llvm_unreachable(const char *msg=0, const char *file=0,
unsigned line=0) NORETURN;
}
/// Macro that calls llvm_unreachable with location info and message in
/// debug mode. In NDEBUG mode it calls llvm_unreachable with no message.
#ifndef NDEBUG
#define LLVM_UNREACHABLE(msg) llvm_unreachable(msg)
#define LLVM_UNREACHABLE(msg) llvm_unreachable(msg, __FILE__, __LINE__)
#else
#define LLVM_UNREACHABLE(msg) llvm_unreachable()
#endif

2
include/llvm/Support/PassNameParser.h
View File

@@ -68,7 +68,7 @@ public:
if (findOption(P->getPassArgument()) != getNumOptions()) {
cerr << "Two passes with the same argument (-"
<< P->getPassArgument() << ") attempted to be registered!\n";
llvm_unreachable();
LLVM_UNREACHABLE(0);
}
addLiteralOption(P->getPassArgument(), P, P->getPassName());
}