Add the clang library to the repo (with some of my changes, too).

1 files changed, 83 insertions, 0 deletions

diff --git a/clang/test/CodeGen/attributes.c b/clang/test/CodeGen/attributes.c
new file mode 100644
index 0000000..4e73af6
--- /dev/null
+++ b/clang/test/CodeGen/attributes.c
@@ -0,0 +1,83 @@
+// RUN: %clang_cc1 -emit-llvm -triple i386-linux-gnu -o %t %s
+// RUN: FileCheck --input-file=%t %s
+
+// CHECK: @t5 = weak global i32 2
+int t5 __attribute__((weak)) = 2;
+
+// CHECK: @t13 = global %struct.s0 zeroinitializer, section "SECT"
+struct s0 { int x; };
+struct s0 t13 __attribute__((section("SECT"))) = { 0 };
+
+// CHECK: @t14.x = internal global i32 0, section "SECT"
+void t14(void) {
+  static int x __attribute__((section("SECT"))) = 0;
+}
+
+// CHECK: @t18 = global i32 1, align 4
+extern int t18 __attribute__((weak_import));
+int t18 = 1;
+
+// CHECK: @t16 = extern_weak global i32
+extern int t16 __attribute__((weak_import));
+
+// CHECK: @t6 = common protected global i32 0
+int t6 __attribute__((visibility("protected")));
+
+// CHECK: @t12 = global i32 0, section "SECT"
+int t12 __attribute__((section("SECT")));
+
+// CHECK: @t9 = alias weak bitcast (void ()* @__t8 to void (...)*)
+void __t8() {}
+void t9() __attribute__((weak, alias("__t8")));
+
+// CHECK: declare extern_weak i32 @t15()
+int __attribute__((weak_import)) t15(void);
+int t17() {
+  return t15() + t16;
+}
+
+// CHECK: define void @t1() noreturn nounwind {
+void t1() __attribute__((noreturn));
+void t1() { while (1) {} }
+
+// CHECK: define void @t2() nounwind {
+void t2() __attribute__((nothrow));
+void t2() {}
+
+// CHECK: define weak void @t3() nounwind {
+void t3() __attribute__((weak));
+void t3() {}
+
+// CHECK: define hidden void @t4() nounwind {
+void t4() __attribute__((visibility("hidden")));
+void t4() {}
+
+// CHECK: define void @t7() noreturn nounwind {
+void t7() __attribute__((noreturn, nothrow));
+void t7() { while (1) {} }
+
+// CHECK: define void @t10() nounwind section "SECT" {
+void t10(void) __attribute__((section("SECT")));
+void t10(void) {}
+// CHECK: define void @t11() nounwind section "SECT" {
+void __attribute__((section("SECT"))) t11(void) {}
+
+// CHECK: define i32 @t19() nounwind {
+extern int t19(void) __attribute__((weak_import));
+int t19(void) {
+  return 10;
+}
+
+// CHECK:define void @t20() nounwind {
+// CHECK: call void @abort()
+// CHECK-NEXT: unreachable
+void t20(void) {
+  __builtin_abort();
+}
+
+void (__attribute__((fastcall)) *fptr)(int);
+void t21(void) {
+  fptr(10);
+}
+// CHECK: [[FPTRVAR:%[a-z0-9]+]] = load void (i32)** @fptr
+// CHECK-NEXT: call x86_fastcallcc void [[FPTRVAR]](i32 10)