Modified the code so that it generates (0) for setjmp() and abort() for
longjmp() (and does not include setjmp.h).
This is to fix some problems on Sparc while non-local jumps are still
unimplemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7449 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 88cf718..ad242c7 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -570,7 +570,9 @@
// get declaration for alloca
Out << "/* Provide Declarations */\n";
Out << "#include <stdarg.h>\n";
+#ifdef HAVE_JUMP
Out << "#include <setjmp.h>\n";
+#endif
generateCompilerSpecificCode(Out);
// Provide a definition for `bool' if not compiling with a C++ compiler.
@@ -1123,16 +1125,32 @@
return;
case LLVMIntrinsic::setjmp:
+#ifdef HAVE_JUMP
Out << "setjmp(*(jmp_buf*)";
writeOperand(I.getOperand(1));
Out << ")";
+#else
+ //
+ // For right now, we don't really support non-local jumps. So
+ // make setjmp() always evaluate to zero for now.
+ //
+ Out << "(0)";
+#endif
return;
case LLVMIntrinsic::longjmp:
+#ifdef HAVE_JUMP
Out << "longjmp(*(jmp_buf*)";
writeOperand(I.getOperand(1));
Out << ", ";
writeOperand(I.getOperand(2));
Out << ")";
+#else
+ //
+ // For right now, we don't really support non-local jumps. So
+ // make longjmp() abort the program.
+ //
+ Out << "abort()";
+#endif
return;
}
}