Add support for setjmp/longjmp primitives
Patch checked in for Bill Wendling :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6241 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 577054e..bfd6bc9 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -543,6 +543,7 @@
Out << "/* Provide Declarations */\n";
generateAllocaDecl(Out);
Out << "#include <stdarg.h>\n";
+ Out << "#include <setjmp.h>\n";
// Provide a definition for null if one does not already exist,
// and for `bool' if not compiling with a C++ compiler.
@@ -1022,7 +1023,6 @@
writeOperand(&I.getParent()->getParent()->aback());
Out << ")";
return;
-
case LLVMIntrinsic::va_end:
Out << "va_end((va_list)*";
writeOperand(I.getOperand(1));
@@ -1035,6 +1035,19 @@
writeOperand(I.getOperand(2));
Out << ")";
return;
+
+ case LLVMIntrinsic::setjmp:
+ Out << "setjmp((jmp_buf)";
+ writeOperand(I.getOperand(1));
+ Out << ")";
+ return;
+ case LLVMIntrinsic::longjmp:
+ Out << "longjmp((jmp_buf)";
+ writeOperand(I.getOperand(1));
+ Out << ", ";
+ writeOperand(I.getOperand(2));
+ Out << ")";
+ return;
}
}