case Builtin::BI_abnormal_termination:
return RValue::get(EmitSEHAbnormalTermination());
case Builtin::BI_setjmpex:
- if (getTarget().getTriple().isOSMSVCRT())
+ if (getTarget().getTriple().isOSMSVCRT() && E->getNumArgs() == 1 &&
+ E->getArg(0)->getType()->isPointerType())
return EmitMSVCRTSetJmp(*this, MSVCSetJmpKind::_setjmpex, E);
break;
case Builtin::BI_setjmp:
- if (getTarget().getTriple().isOSMSVCRT()) {
+ if (getTarget().getTriple().isOSMSVCRT() && E->getNumArgs() == 1 &&
+ E->getArg(0)->getType()->isPointerType()) {
if (getTarget().getTriple().getArch() == llvm::Triple::x86)
return EmitMSVCRTSetJmp(*this, MSVCSetJmpKind::_setjmp3, E);
else if (getTarget().getTriple().getArch() == llvm::Triple::aarch64)
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify -DNO_JMP_BUF %s -ast-dump | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify -DWRONG_JMP_BUF %s -ast-dump | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify -DRIGHT_JMP_BUF %s -ast-dump | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify -DONLY_JMP_BUF %s -ast-dump | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify -DNO_SETJMP %s -ast-dump 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=c,expected -DNO_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=c,expected -DWRONG_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=c,expected -DRIGHT_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=c,expected -DONLY_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=c,expected -DNO_SETJMP %s -ast-dump 2>&1 | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=cxx,expected -x c++ -DNO_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=cxx,expected -x c++ -DWRONG_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=cxx,expected -x c++ -DRIGHT_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK1,CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=cxx,expected -x c++ -DONLY_JMP_BUF %s -ast-dump | FileCheck %s --check-prefixes=CHECK2
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify=cxx,expected -x c++ -DNO_SETJMP %s -ast-dump | FileCheck %s --check-prefixes=CHECK2
+
+#ifdef __cplusplus
+extern "C" {
+#endif
#ifdef NO_JMP_BUF
// This happens in some versions of glibc: the declaration of __sigsetjmp
// precedes the declaration of sigjmp_buf.
extern long setjmp(long *); // Can't check, so we trust that this is the right type
// FIXME: We could still diagnose the missing `jmp_buf` at the point of the call.
-// expected-no-diagnostics
+// c-no-diagnostics
#elif WRONG_JMP_BUF
typedef long jmp_buf;
-extern int setjmp(char); // expected-warning {{incompatible redeclaration of library function 'setjmp'}}
- // expected-note@-1 {{'setjmp' is a builtin with type 'int (jmp_buf)' (aka 'int (long)')}}
+// FIXME: Consider producing a similar warning in C++.
+extern int setjmp(char); // c-warning {{incompatible redeclaration of library function 'setjmp'}}
+ // c-note@-1 {{'setjmp' is a builtin with type 'int (jmp_buf)' (aka 'int (long)')}}
#elif RIGHT_JMP_BUF
typedef long jmp_buf;
extern int setjmp(long); // OK, right type.
-// expected-no-diagnostics
#elif ONLY_JMP_BUF
typedef int *jmp_buf;
#endif
void use() {
setjmp(0);
- #ifdef NO_SETJMP
- // expected-warning@-2 {{implicit declaration of function 'setjmp' is invalid in C99}}
+ #if NO_SETJMP
+ // cxx-error@-2 {{undeclared identifier 'setjmp'}}
+ // c-warning@-3 {{implicit declaration of function 'setjmp' is invalid in C99}}
#elif ONLY_JMP_BUF
- // expected-warning@-4 {{implicitly declaring library function 'setjmp' with type 'int (jmp_buf)' (aka 'int (int *)')}}
- // expected-note@-5 {{include the header <setjmp.h> or explicitly provide a declaration for 'setjmp'}}
+ // cxx-error@-5 {{undeclared identifier 'setjmp'}}
+ // c-warning@-6 {{implicitly declaring library function 'setjmp' with type 'int (jmp_buf)' (aka 'int (int *)')}}
+ // c-note@-7 {{include the header <setjmp.h> or explicitly provide a declaration for 'setjmp'}}
+ #else
+ // cxx-no-diagnostics
#endif
#ifdef NO_SETJMP
#endif
}
-// CHECK: FunctionDecl {{.*}} used setjmp
-// CHECK: BuiltinAttr {{.*}} Implicit
-// CHECK: ReturnsTwiceAttr {{.*}} Implicit
+// CHECK1: FunctionDecl {{.*}} used setjmp
+// CHECK1: BuiltinAttr {{.*}} Implicit
+// CHECK1: ReturnsTwiceAttr {{.*}} Implicit
+
+// mingw declares _setjmp with an unusual signature.
+int _setjmp(void *, void *);
+#if !defined(NO_JMP_BUF) && !defined(NO_SETJMP)
+// c-warning@-2 {{incompatible redeclaration of library function '_setjmp'}}
+// c-note@-3 {{'_setjmp' is a builtin with type 'int (jmp_buf)'}}
+#endif
+void use_mingw() {
+ _setjmp(0, 0);
+}
+
+// CHECK2: FunctionDecl {{.*}} used _setjmp
+// CHECK2: BuiltinAttr {{.*}} Implicit
+// CHECK2: ReturnsTwiceAttr {{.*}} Implicit
+
+#ifdef __cplusplus
+}
+#endif