1 // RUN: %clang++ -std=gnu++11 -O2 -g %s -o %t
2 // RUN: %dexter --fail-lt 1.0 -w \
3 // RUN: --binary %t --debugger 'lldb' -- %s
4 // RUN: %clang++ -std=gnu++11 -O0 -g %s -o %t
5 // RUN: %dexter --fail-lt 1.0 -w \
6 // RUN: --binary %t --debugger 'lldb' -- %s
7
8 // REQUIRES: lldb, D136396
9 // Currently getting intermittent failures on darwin.
10 // UNSUPPORTED: system-windows, system-darwin
11
12 //// Check that the debugging experience with __attribute__((optnone)) at O2
13 //// matches O0. Test simple functions performing simple arithmetic
14 //// operations and small loops.
15
16 __attribute__((optnone))
test1(int test1_a,int test1_b)17 int test1(int test1_a, int test1_b) {
18 int test1_result = 0;
19 // DexLabel('test1_start')
20 test1_result = test1_a + test1_b; // DexExpectStepOrder(1)
21 return test1_result; // DexExpectStepOrder(2)
22 // DexLabel('test1_end')
23 }
24 // DexExpectWatchValue('test1_a', 3, from_line=ref('test1_start'), to_line=ref('test1_end'))
25 // DexExpectWatchValue('test1_b', 4, from_line=ref('test1_start'), to_line=ref('test1_end'))
26 // DexExpectWatchValue('test1_result', 0, 7, from_line=ref('test1_start'), to_line=ref('test1_end'))
27
28 __attribute__((optnone))
test2(int test2_a,int test2_b)29 int test2(int test2_a, int test2_b) {
30 int test2_result = test2_a + test2_a + test2_a + test2_a; // DexExpectStepOrder(3)
31 // DexLabel('test2_start')
32 return test2_a << 2; // DexExpectStepOrder(4)
33 // DexLabel('test2_end')
34 }
35 // DexExpectWatchValue('test2_a', 1, from_line=ref('test2_start'), to_line=ref('test2_end'))
36 // DexExpectWatchValue('test2_b', 2, from_line=ref('test2_start'), to_line=ref('test2_end'))
37 // DexExpectWatchValue('test2_result', 4, from_line=ref('test2_start'), to_line=ref('test2_end'))
38
39 __attribute__((optnone))
test3(int test3_a,int test3_b)40 int test3(int test3_a, int test3_b) {
41 int test3_temp1 = 0, test3_temp2 = 0;
42 // DexLabel('test3_start')
43 test3_temp1 = test3_a + 5; // DexExpectStepOrder(5)
44 test3_temp2 = test3_b + 5; // DexExpectStepOrder(6)
45 if (test3_temp1 > test3_temp2) { // DexExpectStepOrder(7)
46 test3_temp1 *= test3_temp2; // DexUnreachable()
47 }
48 return test3_temp1; // DexExpectStepOrder(8)
49 // DexLabel('test3_end')
50 }
51 // DexExpectWatchValue('test3_a', 5, from_line=ref('test3_start'), to_line=ref('test3_end'))
52 // DexExpectWatchValue('test3_b', 6, from_line=ref('test3_start'), to_line=ref('test3_end'))
53 // DexExpectWatchValue('test3_temp1', 0, 10, from_line=ref('test3_start'), to_line=ref('test3_end'))
54 // DexExpectWatchValue('test3_temp2', 0, 11, from_line=ref('test3_start'), to_line=ref('test3_end'))
55
56 unsigned num_iterations = 4;
57
58 __attribute__((optnone))
test4(int test4_a,int test4_b)59 int test4(int test4_a, int test4_b) {
60 int val1 = 0, val2 = 0;
61 // DexLabel('test4_start')
62
63 val1 = (test4_a > test4_b) ? test4_a : test4_b; // DexExpectStepOrder(9)
64 val2 = val1;
65 val2 += val1; // DexExpectStepOrder(10)
66
67 for (unsigned i=0; i != num_iterations; ++i) { // DexExpectStepOrder(11, 13, 15, 17, 19)
68 val1--;
69 val2 += i;
70 if (val2 % 2 == 0) // DexExpectStepOrder(12, 14, 16, 18)
71 val2 /= 2;
72 }
73
74 return (val1 > val2) ? val2 : val1; // DexExpectStepOrder(20)
75 // DexLabel('test4_end')
76 }
77 // DexExpectWatchValue('test4_a', 1, from_line=ref('test4_start'), to_line=ref('test4_end'))
78 // DexExpectWatchValue('test4_b', 9, from_line=ref('test4_start'), to_line=ref('test4_end'))
79 // DexExpectWatchValue('val1', 0, 9, 8, 7, 6, 5, from_line=ref('test4_start'), to_line=ref('test4_end'))
80 // DexExpectWatchValue('val2', 0, 9, 18, 9, 10, 5, 7, 10, 5, 9, from_line=ref('test4_start'), to_line=ref('test4_end'))
81
82 __attribute__((optnone))
test5(int test5_val)83 int test5(int test5_val) {
84 int c = 1; // DexExpectStepOrder(21)
85 // DexLabel('test5_start')
86 if (test5_val) // DexExpectStepOrder(22)
87 c = 5; // DexExpectStepOrder(23)
88 return c ? test5_val : test5_val; // DexExpectStepOrder(24)
89 // DexLabel('test5_end')
90 }
91 // DexExpectWatchValue('test5_val', 7, from_line=ref('test5_start'), to_line=ref('test5_end'))
92 // DexExpectWatchValue('c', 1, 5, from_line=ref('test5_start'), to_line=ref('test5_end'))
93
94 __attribute__((optnone))
main()95 int main() {
96 int main_result = 0;
97 // DexLabel('main_start')
98 main_result = test1(3,4);
99 main_result += test2(1,2);
100 main_result += test3(5,6);
101 main_result += test4(1,9);
102 main_result += test5(7);
103 return main_result;
104 // DexLabel('main_end')
105 }
106 // DexExpectWatchValue('main_result', 0, 7, 11, 21, 26, 33, from_line=ref('main_start'), to_line=ref('main_end'))
107