14fcfde4d5c8f25e40720972a5543d538a0dcb220Daniel Dunbar// RUN: echo "GNU89 tests:" 23de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// RUN: %clang %s -target i386-unknown-unknown -O1 -emit-llvm -S -o - -std=gnu89 | FileCheck %s --check-prefix=CHECK1 33de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define i32 @foo() 43de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define i32 @bar() 53de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define void @unreferenced1() 63de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1-NOT: unreferenced2 73de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define void @gnu_inline() 83de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define i32 @test1 93de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define i32 @test2 103de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define void @test3() 113de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define available_externally i32 @test4 123de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define available_externally i32 @test5 133de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define i32 @test6 143de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define void @test7 153de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define i{{..}} @strlcpy 163de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1-NOT: test9 173de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define void @testA 183de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define void @testB 193de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define void @testC 203de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define available_externally void @gnu_ei_inline() 213de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK1: define available_externally i32 @ei() 22a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman 23a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman// RUN: echo "C99 tests:" 243de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// RUN: %clang %s -target i386-unknown-unknown -O1 -emit-llvm -S -o - -std=gnu99 | FileCheck %s --check-prefix=CHECK2 253de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define i32 @ei() 263de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define i32 @bar() 273de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2-NOT: unreferenced1 283de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @unreferenced2() 293de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @gnu_inline() 303de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define i32 @test1 313de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define i32 @test2 323de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @test3 333de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define available_externally i32 @test4 343de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define available_externally i32 @test5 353de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define i32 @test6 363de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @test7 373de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define available_externally i{{..}} @strlcpy 383de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @test9 393de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @testA 403de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @testB 413de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define void @testC 423de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define available_externally void @gnu_ei_inline() 433de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK2: define available_externally i32 @foo() 44d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner 45a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman// RUN: echo "C++ tests:" 463de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// RUN: %clang -x c++ %s -target i386-unknown-unknown -O1 -emit-llvm -S -o - -std=c++98 | FileCheck %s --check-prefix=CHECK3 473de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK3: define i32 @_Z3barv() 483de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK3: define linkonce_odr i32 @_Z3foov() 493de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK3-NOT: unreferenced 503de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK3: define void @_Z10gnu_inlinev() 513de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK3: define available_externally void @_Z13gnu_ei_inlinev() 523de93c883d3253c38e90d0a3a050899eeb806eeeDavid Blaikie// CHECK3: define linkonce_odr i32 @_Z2eiv() 53d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner 5413163700843a0ad1df903bdadcce59ae86827d72David Majnemer// RUN: echo "MS C Mode tests:" 5513163700843a0ad1df903bdadcce59ae86827d72David Majnemer// RUN: %clang %s -target i386-unknown-unknown -O1 -emit-llvm -S -o - -std=c99 -fms-compatibility | FileCheck %s --check-prefix=CHECK4 5613163700843a0ad1df903bdadcce59ae86827d72David Majnemer// CHECK4: define i32 @bar() 5713163700843a0ad1df903bdadcce59ae86827d72David Majnemer// CHECK4: define void @gnu_inline() 5813163700843a0ad1df903bdadcce59ae86827d72David Majnemer// CHECK4: define available_externally void @gnu_ei_inline() 5913163700843a0ad1df903bdadcce59ae86827d72David Majnemer// CHECK4: define linkonce_odr i32 @foo() 6013163700843a0ad1df903bdadcce59ae86827d72David Majnemer// CHECK4-NOT: unreferenced 6113163700843a0ad1df903bdadcce59ae86827d72David Majnemer// CHECK4: define linkonce_odr i32 @ei() 6213163700843a0ad1df903bdadcce59ae86827d72David Majnemer 63eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedmanextern __inline int ei() { return 123; } 64d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner 65eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedman__inline int foo() { 66d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner return ei(); 67d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner} 68d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner 69d9d049a93c55624908e81cf3927b7905efeba05fChris Lattnerint bar() { return foo(); } 70d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner 71d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner 72eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedman__inline void unreferenced1() {} 73eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedmanextern __inline void unreferenced2() {} 74d9d049a93c55624908e81cf3927b7905efeba05fChris Lattner 75cf2a7211b4785068c7efa836baab90b198a4d2a6Chris Lattner__inline __attribute((__gnu_inline__)) void gnu_inline() {} 76d55a71d852d4d8b785122b8d033a0c06b187067bChris Lattner 77d55a71d852d4d8b785122b8d033a0c06b187067bChris Lattner// PR3988 78eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedmanextern __inline __attribute__((gnu_inline)) void gnu_ei_inline() {} 79d55a71d852d4d8b785122b8d033a0c06b187067bChris Lattnervoid (*P)() = gnu_ei_inline; 80d55a71d852d4d8b785122b8d033a0c06b187067bChris Lattner 81b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregor// <rdar://problem/6818429> 82b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregorint test1(); 83eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedman__inline int test1() { return 4; } 84eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedman__inline int test2() { return 5; } 85eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedman__inline int test2(); 86b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregorint test2(); 87b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregor 88b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregorvoid test_test1() { test1(); } 89b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregorvoid test_test2() { test2(); } 90b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregor 91b3efa98e320590e8be9d62818e89e599303e65b4Douglas Gregor// PR3989 92eb32fde032a250091134db56a3aeaea6b09f6594Eli Friedmanextern __inline void test3() __attribute__((gnu_inline)); 931fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor__inline void __attribute__((gnu_inline)) test3() {} 949f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 959f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregorextern int test4(void); 969f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregorextern __inline __attribute__ ((__gnu_inline__)) int test4(void) 979f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor{ 98c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 999f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 1009f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 1019f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregorvoid test_test4() { test4(); } 1029f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 1031fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorextern __inline int test5(void) __attribute__ ((__gnu_inline__)); 1049f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregorextern __inline int __attribute__ ((__gnu_inline__)) test5(void) 1059f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor{ 106c36541e7bfa69cc63e2668a986bc99117559c545Mike Stump return 0; 1079f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 1089f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 1099f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregorvoid test_test5() { test5(); } 110dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 111dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky// PR10233 112dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky 113dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky__inline int test6() { return 0; } 114dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewyckyextern int test6(); 115f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewycky 1163a5aca8112e03814f78906dc5d032287adb272b5Anton Yartsev 1173a5aca8112e03814f78906dc5d032287adb272b5Anton Yartsev// No PR#, but this once crashed clang in C99 mode due to buggy extern inline 1183a5aca8112e03814f78906dc5d032287adb272b5Anton Yartsev// redeclaration detection. 1193a5aca8112e03814f78906dc5d032287adb272b5Anton Yartsevvoid test7() { } 120f57ef0516c011237a1b6a5b2585b99caf0396bd7Nick Lewyckyvoid test7(); 1218a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman 1228a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedman// PR11062; the fact that the function is named strlcpy matters here. 1238a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedmaninline __typeof(sizeof(int)) strlcpy(char *dest, const char *src, __typeof(sizeof(int)) size) { return 3; } 1248a1d6a5eec8287729084e2a79b39fac96a9c75cdEli Friedmanvoid test8() { strlcpy(0,0,0); } 125a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman 126a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman// PR10657; the test crashed in C99 mode 127a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmanextern inline void test9() { } 128a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmanvoid test9(); 129a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman 130a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmaninline void testA() {} 131a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmanvoid testA(); 132a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman 133a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmanvoid testB(); 134a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmaninline void testB() {} 135a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmanextern void testB(); 136a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedman 137a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmanextern inline void testC() {} 138a3b9fa2024accdc38e0c8458b5ffd6b5ec0580d5Eli Friedmaninline void testC(); 139