Upon Chris's suggestion, moved the #ifdef's to the generated C code.
This makes LLVM and the generated C code more portable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10377 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index faa9b92..63a5ec8 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -1087,20 +1087,17 @@
void CWriter::visitUnwindInst(UnwindInst &I) {
- // Determine the return size of write() based on the data model.
-#ifdef _LP64
- const char * writedecl = " extern signed long long write();\n";
-#else
- const char * writedecl = " extern write();\n";
-#endif
-
// The unwind instructions causes a control flow transfer out of the current
// function, unwinding the stack until a caller who used the invoke
// instruction is found. In this context, we code generated the invoke
// instruction to add an entry to the top of the jmpbuf_list. Thus, here we
// just have to longjmp to the specified handler.
Out << " if (__llvm_jmpbuf_list == 0) { /* unwind */\n"
- << writedecl
+ << "#ifdef _LP64\n"
+ << " extern signed long long write();\n"
+ << "#else\n"
+ << " extern write();\n"
+ << "#endif\n"
<< " ((void (*)(int, void*, unsigned))write)(2,\n"
<< " \"throw found with no handler!\\n\", 31); abort();\n"
<< " }\n"