1 // RUN: %clang_cc1 -emit-llvm -triple i386-linux-gnu -o %t %s 2 // RUN: FileCheck --input-file=%t %s 3 4 // CHECK: @t5 = weak global i32 2 5 int t5 __attribute__((weak)) = 2; 6 7 // CHECK: @t13 = global %struct.s0 zeroinitializer, section "SECT" 8 struct s0 { int x; }; 9 struct s0 t13 __attribute__((section("SECT"))) = { 0 }; 10 11 // CHECK: @t14.x = internal global i32 0, section "SECT" 12 void t14(void) { 13 static int x __attribute__((section("SECT"))) = 0; 14 } 15 16 // CHECK: @t18 = global i32 1, align 4 17 extern int t18 __attribute__((weak_import)); 18 int t18 = 1; 19 20 // CHECK: @t16 = extern_weak global i32 21 extern int t16 __attribute__((weak_import)); 22 23 // CHECK: @t6 = common protected global i32 0 24 int t6 __attribute__((visibility("protected"))); 25 26 // CHECK: @t12 = global i32 0, section "SECT" 27 int t12 __attribute__((section("SECT"))); 28 29 // CHECK: @t9 = alias weak bitcast (void ()* @__t8 to void (...)*) 30 void __t8() {} 31 void t9() __attribute__((weak, alias("__t8"))); 32 33 // CHECK: declare extern_weak i32 @t15() 34 int __attribute__((weak_import)) t15(void); 35 int t17() { 36 return t15() + t16; 37 } 38 39 // CHECK: define void @t1() [[NR:#[0-9]+]] { 40 void t1() __attribute__((noreturn)); 41 void t1() { while (1) {} } 42 43 // CHECK: define void @t2() [[NUW:#[0-9]+]] { 44 void t2() __attribute__((nothrow)); 45 void t2() {} 46 47 // CHECK: define weak void @t3() [[NUW]] { 48 void t3() __attribute__((weak)); 49 void t3() {} 50 51 // CHECK: define hidden void @t4() [[NUW]] { 52 void t4() __attribute__((visibility("hidden"))); 53 void t4() {} 54 55 // CHECK: define void @t7() [[NR]] { 56 void t7() __attribute__((noreturn, nothrow)); 57 void t7() { while (1) {} } 58 59 // CHECK: define void @t10() [[NUW]] section "SECT" { 60 void t10(void) __attribute__((section("SECT"))); 61 void t10(void) {} 62 // CHECK: define void @t11() [[NUW]] section "SECT" { 63 void __attribute__((section("SECT"))) t11(void) {} 64 65 // CHECK: define i32 @t19() [[NUW]] { 66 extern int t19(void) __attribute__((weak_import)); 67 int t19(void) { 68 return 10; 69 } 70 71 // CHECK:define void @t20() [[NUW]] { 72 // CHECK: call void @abort() 73 // CHECK-NEXT: unreachable 74 void t20(void) { 75 __builtin_abort(); 76 } 77 78 void (__attribute__((fastcall)) *fptr)(int); 79 void t21(void) { 80 fptr(10); 81 } 82 // CHECK: [[FPTRVAR:%[a-z0-9]+]] = load void (i32)** @fptr 83 // CHECK-NEXT: call x86_fastcallcc void [[FPTRVAR]](i32 inreg 10) 84 85 86 // PR9356: We might want to err on this, but for now at least make sure we 87 // use the section in the definition. 88 void __attribute__((section(".foo"))) t22(void); 89 void __attribute__((section(".bar"))) t22(void) {} 90 91 // CHECK: define void @t22() [[NUW]] section ".bar" 92 93 // CHECK: attributes [[NUW]] = { nounwind{{.*}} } 94 // CHECK: attributes [[NR]] = { noreturn nounwind{{.*}} } 95