test/CodeGen/inline.c

   1 // RUN: echo "GNU89 tests:"
   2 // RUN: %clang %s -O1 -emit-llvm -S -o %t -std=gnu89
   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 -O1 -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 void @test3" %t
  28 // RUN: grep "define available_externally i32 @test4" %t
  29 // RUN: grep "define available_externally i32 @test5" %t
  30
  31 // RUN: echo "\nC++ tests:"
  32 // RUN: %clang %s -O1 -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 __attribute__((gnu_inline)) test3() {}
  71
  72 extern int test4(void);
  73 extern __inline __attribute__ ((__gnu_inline__)) int test4(void)
  74 {
  75   return 0;
  76 }
  77
  78 void test_test4() { test4(); }
  79
  80 extern __inline int test5(void)  __attribute__ ((__gnu_inline__));
  81 extern __inline int __attribute__ ((__gnu_inline__)) test5(void)
  82 {
  83   return 0;
  84 }
  85
  86 void test_test5() { test5(); }