1f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -O3 | FileCheck -check-prefix CHECK-LP64 %s 2f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple=i386-apple-darwin10 -emit-llvm -o - -O3 | FileCheck -check-prefix CHECK-LP32 %s 3f4a2713aSLionel Sambuc 4f4a2713aSLionel Sambuc // CHECK-LP64: %union.Test1 = type { i32, [4 x i8] } 5f4a2713aSLionel Sambuc union Test1 { 6f4a2713aSLionel Sambuc int a; 7f4a2713aSLionel Sambuc int b: 39; 8f4a2713aSLionel Sambuc } t1; 9f4a2713aSLionel Sambuc 10f4a2713aSLionel Sambuc // CHECK-LP64: %union.Test2 = type { i8 } 11f4a2713aSLionel Sambuc union Test2 { 12f4a2713aSLionel Sambuc int : 6; 13f4a2713aSLionel Sambuc } t2; 14f4a2713aSLionel Sambuc 15*0a6a1f1dSLionel Sambuc // CHECK-LP64: %union.Test3 = type { i16 } 16f4a2713aSLionel Sambuc union Test3 { 17f4a2713aSLionel Sambuc int : 9; 18f4a2713aSLionel Sambuc } t3; 19f4a2713aSLionel Sambuc 20f4a2713aSLionel Sambuc 21f4a2713aSLionel Sambuc #define CHECK(x) if (!(x)) return __LINE__ 22f4a2713aSLionel Sambuc f()23f4a2713aSLionel Sambucint f() { 24f4a2713aSLionel Sambuc struct { 25f4a2713aSLionel Sambuc int a; 26f4a2713aSLionel Sambuc 27f4a2713aSLionel Sambuc unsigned long long b : 65; 28f4a2713aSLionel Sambuc 29f4a2713aSLionel Sambuc int c; 30f4a2713aSLionel Sambuc } c; 31f4a2713aSLionel Sambuc 32f4a2713aSLionel Sambuc c.a = 0; 33f4a2713aSLionel Sambuc c.b = (unsigned long long)-1; 34f4a2713aSLionel Sambuc c.c = 0; 35f4a2713aSLionel Sambuc 36f4a2713aSLionel Sambuc CHECK(c.a == 0); 37f4a2713aSLionel Sambuc CHECK(c.b == (unsigned long long)-1); 38f4a2713aSLionel Sambuc CHECK(c.c == 0); 39f4a2713aSLionel Sambuc 40f4a2713aSLionel Sambuc // CHECK-LP64: ret i32 0 41f4a2713aSLionel Sambuc // CHECK-LP32: ret i32 0 42f4a2713aSLionel Sambuc return 0; 43f4a2713aSLionel Sambuc } 44