summaryrefslogtreecommitdiffstats
path: root/clang/test/CodeGenCXX/trap-fnattr.cpp
blob: 166bbadc84eb893d3ba815ad514ea15d5fe83eb5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
// RUN: %clang_cc1 -O0 -emit-llvm -ftrapv -ftrap-function=mytrap %s -o - | FileCheck %s -check-prefix=TRAPFUNC
// RUN: %clang_cc1 -O0 -emit-llvm -ftrapv %s -o - | FileCheck %s -check-prefix=NOOPTION

// TRAPFUNC-LABEL: define {{(dso_local )?}}void @{{_Z12test_builtinv|\"\?test_builtin@@YAXXZ\"}}
// TRAPFUNC: call void @llvm.trap() [[ATTR0:#[0-9]+]]

// NOOPTION-LABEL: define {{(dso_local )?}}void @{{_Z12test_builtinv|\"\?test_builtin@@YAXXZ\"}}
// NOOPTION: call void @llvm.trap(){{$}}

void test_builtin(void) {
  __builtin_trap();
}

// TRAPFUNC-LABEL: define {{.*}}i32 @{{_Z13test_noreturnv|\"\?test_noreturn@@YAHXZ\"}}
// TRAPFUNC: call void @llvm.trap() [[ATTR0]]

// NOOPTION-LABEL: define {{.*}}i32 @{{_Z13test_noreturnv|\"\?test_noreturn@@YAHXZ\"}}
// NOOPTION: call void @llvm.trap(){{$}}

int test_noreturn(void) {
}

// TRAPFUNC-LABEL: define {{.*}}i32 @{{_Z17test_add_overflowii|\"\?test_add_overflow@@YAHHH@Z\"}}
// TRAPFUNC: call void @llvm.trap() [[ATTR1:#[0-9]+]]

// NOOPTION-LABEL: define {{.*}}i32 @{{_Z17test_add_overflowii|\"\?test_add_overflow@@YAHHH@Z\"}}
// NOOPTION: call void @llvm.trap() [[ATTR2:#[0-9]+]]

int test_add_overflow(int a, int b) {
  return a + b;
}

// TRAPFUNC: attributes [[ATTR0]] = { {{.*}}"trap-func-name"="mytrap" }
// TRAPFUNC: attributes [[ATTR1]] = { {{.*}}"trap-func-name"="mytrap" }

// NOOPTION-NOT: attributes [[ATTR2]] = { {{.*}}"trap-func-name"="mytrap" }
OpenPOWER on IntegriCloud