1// RUN: echo "GNU89 tests:" 2// RUN: %clang_cc1 %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=gnu89 | FileCheck %s --check-prefix=CHECK1 3// CHECK1-LABEL: define i32 @foo() 4// CHECK1-LABEL: define i32 @bar() 5// CHECK1-LABEL: define void @unreferenced1() 6// CHECK1-NOT: unreferenced2 7// CHECK1-LABEL: define void @gnu_inline() 8// CHECK1-LABEL: define i32 @test1 9// CHECK1-LABEL: define i32 @test2 10// CHECK1-LABEL: define void @test3() 11// CHECK1-LABEL: define available_externally i32 @test4 12// CHECK1-LABEL: define available_externally i32 @test5 13// CHECK1-LABEL: define i32 @test6 14// CHECK1-LABEL: define void @test7 15// CHECK1: define i{{..}} @strlcpy 16// CHECK1-NOT: test9 17// CHECK1-LABEL: define void @testA 18// CHECK1-LABEL: define void @testB 19// CHECK1-LABEL: define void @testC 20// CHECK1-LABEL: define available_externally void @gnu_ei_inline() 21// CHECK1-LABEL: define available_externally i32 @ei() 22 23// RUN: echo "C99 tests:" 24// RUN: %clang_cc1 %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=gnu99 | FileCheck %s --check-prefix=CHECK2 25// CHECK2-LABEL: define i32 @ei() 26// CHECK2-LABEL: define i32 @bar() 27// CHECK2-NOT: unreferenced1 28// CHECK2-LABEL: define void @unreferenced2() 29// CHECK2-LABEL: define void @gnu_inline() 30// CHECK2-LABEL: define i32 @test1 31// CHECK2-LABEL: define i32 @test2 32// CHECK2-LABEL: define void @test3 33// CHECK2-LABEL: define available_externally i32 @test4 34// CHECK2-LABEL: define available_externally i32 @test5 35// CHECK2-LABEL: define i32 @test6 36// CHECK2-LABEL: define void @test7 37// CHECK2: define available_externally i{{..}} @strlcpy 38// CHECK2-LABEL: define void @test9 39// CHECK2-LABEL: define void @testA 40// CHECK2-LABEL: define void @testB 41// CHECK2-LABEL: define void @testC 42// CHECK2-LABEL: define available_externally void @gnu_ei_inline() 43// CHECK2-LABEL: define available_externally i32 @foo() 44 45// RUN: echo "C++ tests:" 46// RUN: %clang_cc1 -x c++ %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=c++98 | FileCheck %s --check-prefix=CHECK3 47// CHECK3-LABEL: define i32 @_Z3barv() 48// CHECK3-LABEL: define linkonce_odr i32 @_Z3foov() 49// CHECK3-NOT: unreferenced 50// CHECK3-LABEL: define void @_Z10gnu_inlinev() 51// CHECK3-LABEL: define available_externally void @_Z13gnu_ei_inlinev() 52// CHECK3-LABEL: define linkonce_odr i32 @_Z2eiv() 53 54// RUN: echo "MS C Mode tests:" 55// RUN: %clang_cc1 %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=c99 -fms-compatibility | FileCheck %s --check-prefix=CHECK4 56// CHECK4-LABEL: define weak_odr i32 @ei() 57// CHECK4-LABEL: define i32 @bar() 58// CHECK4-NOT: unreferenced1 59// CHECK4-LABEL: define weak_odr void @unreferenced2() 60// CHECK4-LABEL: define void @gnu_inline() 61// CHECK4-LABEL: define available_externally void @gnu_ei_inline() 62// CHECK4-LABEL: define linkonce_odr i32 @foo() 63 64extern __inline int ei() { return 123; } 65 66__inline int foo() { 67 return ei(); 68} 69 70int bar() { return foo(); } 71 72 73__inline void unreferenced1() {} 74extern __inline void unreferenced2() {} 75 76__inline __attribute((__gnu_inline__)) void gnu_inline() {} 77 78// PR3988 79extern __inline __attribute__((gnu_inline)) void gnu_ei_inline() {} 80void (*P)() = gnu_ei_inline; 81 82// <rdar://problem/6818429> 83int test1(); 84__inline int test1() { return 4; } 85__inline int test2() { return 5; } 86__inline int test2(); 87int test2(); 88 89void test_test1() { test1(); } 90void test_test2() { test2(); } 91 92// PR3989 93extern __inline void test3() __attribute__((gnu_inline)); 94__inline void __attribute__((gnu_inline)) test3() {} 95 96extern int test4(void); 97extern __inline __attribute__ ((__gnu_inline__)) int test4(void) 98{ 99 return 0; 100} 101 102void test_test4() { test4(); } 103 104extern __inline int test5(void) __attribute__ ((__gnu_inline__)); 105extern __inline int __attribute__ ((__gnu_inline__)) test5(void) 106{ 107 return 0; 108} 109 110void test_test5() { test5(); } 111 112// PR10233 113 114__inline int test6() { return 0; } 115extern int test6(); 116 117 118// No PR#, but this once crashed clang in C99 mode due to buggy extern inline 119// redeclaration detection. 120void test7() { } 121void test7(); 122 123// PR11062; the fact that the function is named strlcpy matters here. 124inline __typeof(sizeof(int)) strlcpy(char *dest, const char *src, __typeof(sizeof(int)) size) { return 3; } 125void test8() { strlcpy(0,0,0); } 126 127// PR10657; the test crashed in C99 mode 128extern inline void test9() { } 129void test9(); 130 131inline void testA() {} 132void testA(); 133 134void testB(); 135inline void testB() {} 136extern void testB(); 137 138extern inline void testC() {} 139inline void testC(); 140