clang/test/CodeGenCXX/trap-fnattr.cpp

   1 // RUN: %clang_cc1 -O0 -emit-llvm -ftrapv -ftrap-function=mytrap %s -o - | FileCheck %s -check-prefix=TRAPFUNC
   2 // RUN: %clang_cc1 -O0 -emit-llvm -ftrapv %s -o - | FileCheck %s -check-prefix=NOOPTION
   3
   4 // TRAPFUNC-LABEL: define {{(dso_local )?}}void @{{_Z12test_builtinv|\"\?test_builtin@@YAXXZ\"}}
   5 // TRAPFUNC: call void @llvm.trap() [[ATTR0:#[0-9]+]]
   6
   7 // NOOPTION-LABEL: define {{(dso_local )?}}void @{{_Z12test_builtinv|\"\?test_builtin@@YAXXZ\"}}
   8 // NOOPTION: call void @llvm.trap(){{$}}
   9
  10 void test_builtin(void) {
  11   __builtin_trap();
  12 }
  13
  14 // TRAPFUNC-LABEL: define {{.*}}i32 @{{_Z13test_noreturnv|\"\?test_noreturn@@YAHXZ\"}}
  15 // TRAPFUNC: call void @llvm.trap() [[ATTR0]]
  16
  17 // NOOPTION-LABEL: define {{.*}}i32 @{{_Z13test_noreturnv|\"\?test_noreturn@@YAHXZ\"}}
  18 // NOOPTION: call void @llvm.trap(){{$}}
  19
  20 int test_noreturn(void) {
  21 }
  22
  23 // TRAPFUNC-LABEL: define {{.*}}i32 @{{_Z17test_add_overflowii|\"\?test_add_overflow@@YAHHH@Z\"}}
  24 // TRAPFUNC: call void @llvm.ubsantrap({{.*}}) [[ATTR1:#[0-9]+]]
  25
  26 // NOOPTION-LABEL: define {{.*}}i32 @{{_Z17test_add_overflowii|\"\?test_add_overflow@@YAHHH@Z\"}}
  27 // NOOPTION: call void @llvm.ubsantrap({{.*}}) [[ATTR2:#[0-9]+]]
  28
  29 int test_add_overflow(int a, int b) {
  30   return a + b;
  31 }
  32
  33 // TRAPFUNC: attributes [[ATTR0]] = { {{.*}}"trap-func-name"="mytrap" }
  34 // TRAPFUNC: attributes [[ATTR1]] = { {{.*}}"trap-func-name"="mytrap" }
  35
  36 // NOOPTION-NOT: attributes [[ATTR2]] = { {{.*}}"trap-func-name"="mytrap" }