xref: /llvm-project/clang/test/CoverageMapping/mcdc-scratch-space.c (revision 4a011ac84fa16f7eed34c309bdac5591d9553da7)
1 // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c99 -fcoverage-mcdc -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only %s | FileCheck %s
2 
3 // CHECK: builtin_macro0:
4 int builtin_macro0(int a) {
5   // CHECK: Decision,File 0, [[@LINE+1]]:11 -> [[@LINE+2]]:15 = M:3, C:2
6   return (__LINE__ // CHECK: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:11 = #1, 0 [1,2,0]
7           && a); //   CHECK: Branch,File 0, [[@LINE]]:14 -> [[@LINE]]:15 = #2, (#1 - #2) [2,0,0]
8 }
9 
10 // CHECK: builtin_macro1:
11 int builtin_macro1(int a) {
12   // CHECK: Decision,File 0, [[@LINE+1]]:11 -> [[@LINE+2]]:22 = M:3, C:2
13   return (a // CHECK: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:12 = (#0 - #1), #1 [1,0,2]
14           || __LINE__); // CHECK: Branch,File 0, [[@LINE]]:14 -> [[@LINE]]:14 = (#1 - #2), 0 [2,0,0]
15 }
16 
17 #define PRE(x) pre_##x
18 
19 // CHECK: pre0:
20 int pre0(int pre_a, int b_post) {
21   // CHECK: Decision,File 0, [[@LINE+2]]:11 -> [[@LINE+3]]:20 = M:3, C:2
22   // CHECK: Expansion,File 0, [[@LINE+1]]:11 -> [[@LINE+1]]:14 = #0 (Expanded file = 1)
23   return (PRE(a)
24           && b_post);
25   // CHECK: Branch,File 0, [[@LINE-1]]:14 -> [[@LINE-1]]:20 = #2, (#1 - #2) [2,0,0]
26   // CHECK: Branch,File 1, [[@LINE-9]]:16 -> [[@LINE-9]]:22 = #1, (#0 - #1) [1,2,0]
27 }
28 
29 #define pre_foo pre_a
30 
31 // CHECK: pre1:
32 int pre1(int pre_a, int b_post) {
33   // CHECK: Decision,File 0, [[@LINE+3]]:11 -> [[@LINE+4]]:20 = M:3, C:2
34   // CHECK: Expansion,File 0, [[@LINE+2]]:11 -> [[@LINE+2]]:14 = #0 (Expanded file = 1)
35   // CHECK: Branch,File 0, [[@LINE+2]]:14 -> [[@LINE+2]]:20 = #2, (#1 - #2) [2,0,0]
36   return (PRE(foo)
37           && b_post);
38   // CHECK: Expansion,File 1, 17:16 -> 17:20 = #0 (Expanded file = 2)
39   // CHECK: Branch,File 2, 29:17 -> 29:22 = #1, (#0 - #1) [1,2,0]
40 }
41 
42 #define POST(x) x##_post
43 
44 // CHECK: post0:
45 int post0(int pre_a, int b_post) {
46   // CHECK: Decision,File 0, [[@LINE+2]]:11 -> [[@LINE+3]]:18 = M:3, C:2
47   // CHECK: Branch,File 0, [[@LINE+1]]:11 -> [[@LINE+1]]:16 = (#0 - #1), #1 [1,0,2]
48   return (pre_a
49           || POST(b));
50   // CHECK: Expansion,File 0, [[@LINE-1]]:14 -> [[@LINE-1]]:18 = #1 (Expanded file = 1)
51   // CHECK: Branch,File 1, [[@LINE-9]]:17 -> [[@LINE-9]]:20 = (#1 - #2), #2 [2,0,0]
52 }
53 
54 #define bar_post b_post
55 
56 // CHECK: post1:
57 int post1(int pre_a, int b_post) {
58   // CHECK: Decision,File 0, [[@LINE+3]]:11 -> [[@LINE+4]]:18 = M:3, C:2
59   // CHECK: Branch,File 0, [[@LINE+2]]:11 -> [[@LINE+2]]:16 = (#0 - #1), #1 [1,0,2]
60   // CHECK: Expansion,File 0, [[@LINE+2]]:14 -> [[@LINE+2]]:18 = 0 (Expanded file = 1)
61   return (pre_a
62           || POST(bar));
63   // CHECK: Expansion,File 1, 42:17 -> 42:18 = #1 (Expanded file = 2)
64   // CHECK: Branch,File 2, 54:18 -> 54:24 = (#1 - #2), #2 [2,0,0]
65 }
66