Add noreturn as a type attribute, handle printing for them and handle

calls to noreturn function pointers when CFG building.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77089 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 2 deletions

diff --git a/test/CodeGen/array.c b/test/CodeGen/array.c
index 5bcc26ecf3..294dabfbbb 100644
--- a/test/CodeGen/array.c
+++ b/test/CodeGen/array.c
@@ -1,11 +1,11 @@
 // RUN: clang-cc -emit-llvm %s -o %t
 
-int f() {
+void f() {
  int a[2];
  a[0] = 0;
 }
 
-int f2() {
+void f2() {
   int x = 0;
   int y = 1;
   int a[10] = { y, x, 2, 3};
diff --git a/test/Sema/return.c b/test/Sema/return.c
index fd50d0792a..db83a06d2a 100644
--- a/test/Sema/return.c
+++ b/test/Sema/return.c
@@ -158,6 +158,7 @@ int test26() {
 } // expected-warning {{control reaches end of non-void function}}
 
 int j;
+void (*fptr)() __attribute__((noreturn));
 int test27() {
   switch (j) {
   case 1:
@@ -178,6 +179,9 @@ int test27() {
   case 5:
     while (1) { return 1; }
     break;
+  case 6:
+    fptr();
+    break;
   default:
     return 1;
   }