1 // RUN: echo "C89 tests:" && 2 // RUN: clang %s -emit-llvm -S -o %t -std=c89 && 3 // RUN: grep "define available_externally i32 @ei()" %t && 4 // RUN: grep "define i32 @foo()" %t && 5 // RUN: grep "define i32 @bar()" %t && 6 // RUN: grep "define void @unreferenced1()" %t && 7 // RUN: not grep unreferenced2 %t && 8 // RUN: grep "define void @gnu_inline()" %t && 9 // RUN: grep "define available_externally void @gnu_ei_inline()" %t && 10 // RUN: grep "define i32 @test1" %t && 11 // RUN: grep "define i32 @test2" %t && 12 // RUN: grep "define void @test3()" %t && 13 // RUN: grep "define available_externally i32 @test4" %t && 14 // RUN: grep "define available_externally i32 @test5" %t && 15 16 // RUN: echo "\nC99 tests:" && 17 // RUN: clang %s -emit-llvm -S -o %t -std=c99 && 18 // RUN: grep "define i32 @ei()" %t && 19 // RUN: grep "define available_externally i32 @foo()" %t && 20 // RUN: grep "define i32 @bar()" %t && 21 // RUN: not grep unreferenced1 %t && 22 // RUN: grep "define void @unreferenced2()" %t && 23 // RUN: grep "define void @gnu_inline()" %t && 24 // RUN: grep "define available_externally void @gnu_ei_inline()" %t && 25 // RUN: grep "define i32 @test1" %t && 26 // RUN: grep "define i32 @test2" %t && 27 // RUN: grep "define available_externally void @test3" %t && 28 // RUN: grep "define available_externally i32 @test4" %t && 29 // RUN: grep "define i32 @test5" %t && 30 31 // RUN: echo "\nC++ tests:" && 32 // RUN: clang %s -emit-llvm -S -o %t -std=c++98 && 33 // RUN: grep "define linkonce_odr i32 @_Z2eiv()" %t && 34 // RUN: grep "define linkonce_odr i32 @_Z3foov()" %t && 35 // RUN: grep "define i32 @_Z3barv()" %t && 36 // RUN: not grep unreferenced %t && 37 // RUN: grep "define void @_Z10gnu_inlinev()" %t && 38 // RUN: grep "define available_externally void @_Z13gnu_ei_inlinev()" %t 39 40 extern __inline int ei() { return 123; } 41 42 __inline int foo() { 43 return ei(); 44 } 45 46 int bar() { return foo(); } 47 48 49 __inline void unreferenced1() {} 50 extern __inline void unreferenced2() {} 51 52 __inline __attribute((__gnu_inline__)) void gnu_inline() {} 53 54 // PR3988 55 extern __inline __attribute__((gnu_inline)) void gnu_ei_inline() {} 56 void (*P)() = gnu_ei_inline; 57 58 // <rdar://problem/6818429> 59 int test1(); 60 __inline int test1() { return 4; } 61 __inline int test2() { return 5; } 62 __inline int test2(); 63 int test2(); 64 65 void test_test1() { test1(); } 66 void test_test2() { test2(); } 67 68 // PR3989 69 extern __inline void test3() __attribute__((gnu_inline)); 70 __inline void test3() {} 71 72 void test_test3() { test3(); } 73 74 extern int test4(void); 75 extern __inline __attribute__ ((__gnu_inline__)) int test4(void) 76 { 77 return 0; 78 } 79 80 void test_test4() { test4(); } 81 82 extern __inline int test5(void); 83 extern __inline int __attribute__ ((__gnu_inline__)) test5(void) 84 { 85 return 0; 86 } 87 88 void test_test5() { test5(); } 89