// Test visualization of MC/DC constructs for branches in macro expansions.

// RUN: llvm-profdata merge %S/Inputs/mcdc-macro.proftext -o %t.profdata
// RUN: llvm-cov show --show-expansions --show-branches=count --show-mcdc %S/Inputs/mcdc-macro.o -instr-profile %t.profdata --compilation-dir=%S/Inputs | FileCheck %s

// CHECK:  |  |  |  Branch (2:11): [Folded - Ignored]
// CHECK:  |  |  |  Branch (3:11): [True: 1, False: 0]
// CHECK:  |  |  |  Branch (3:23): [True: 1, False: 0]
// CHECK:  |  Branch (9:7): [True: 1, False: 0]
// CHECK-NEXT:  |  Branch (9:22): [True: 0, False: 0]
// CHECK-NEXT:  ------------------
// CHECK-NEXT:  |---> MC/DC Decision Region (9:7) to (9:23)
// CHECK-NEXT:  |
// CHECK-NEXT:  |  Number of Conditions: 5
// CHECK-NEXT:  |     Condition C1 --> (9:7)
// CHECK-NEXT:  |     Condition C2 --> (9:22)
// CHECK-NEXT:  |     Condition C3 --> (2:11)
// CHECK-NEXT:  |     Condition C4 --> (3:11)
// CHECK-NEXT:  |     Condition C5 --> (3:23)
// CHECK-NEXT:  |
// CHECK-NEXT:  |  Executed MC/DC Test Vectors:
// CHECK-NEXT:  |
// CHECK-NEXT:  |     C1, C2, C3, C4, C5    Result
// CHECK-NEXT:  |  1 { T,  -,  C,  T,  T  = T      }
// CHECK-NEXT:  |
// CHECK-NEXT:  |  C1-Pair: not covered
// CHECK-NEXT:  |  C2-Pair: not covered
// CHECK-NEXT:  |  C3-Pair: constant folded
// CHECK-NEXT:  |  C4-Pair: not covered
// CHECK-NEXT:  |  C5-Pair: not covered
// CHECK-NEXT:  |  MC/DC Coverage for Decision: 0.00%
// CHECK-NEXT:  |
// CHECK-NEXT:  ------------------

// CHECK:  |  |  |  Branch (2:11): [Folded - Ignored]
// CHECK:  |  Branch (11:7): [True: 1, False: 0]
// CHECK-NEXT:  ------------------
// CHECK-NEXT:  |---> MC/DC Decision Region (11:7) to (11:13)
// CHECK-NEXT:  |
// CHECK-NEXT:  |  Number of Conditions: 2
// CHECK-NEXT:  |     Condition C1 --> (11:7)
// CHECK-NEXT:  |     Condition C2 --> (2:11)
// CHECK-NEXT:  |
// CHECK-NEXT:  |  Executed MC/DC Test Vectors:
// CHECK-NEXT:  |
// CHECK-NEXT:  |     C1, C2    Result
// CHECK-NEXT:  |  1 { T,  C  = T      }
// CHECK-NEXT:  |
// CHECK-NEXT:  |  C1-Pair: not covered
// CHECK-NEXT:  |  C2-Pair: constant folded
// CHECK-NEXT:  |  MC/DC Coverage for Decision: 0.00%
// CHECK-NEXT:  |
// CHECK-NEXT:  ------------------

// CHECK:  |  |  |  Branch (1:11): [True: 1, False: 0]
// CHECK:  |  |  |  Branch (2:11): [Folded - Ignored]
// CHECK:  |  |  |  |  |  Branch (3:11): [True: 0, False: 0]
// CHECK:  |  |  |  |  |  Branch (3:23): [True: 0, False: 0]
// CHECK:  |  Branch (13:7): [True: 1, False: 0]
// CHECK-NEXT:  |  Branch (13:13): [True: 1, False: 0]
// CHECK-NEXT:  ------------------
// CHECK-NEXT:  |---> MC/DC Decision Region (13:7) to (13:32)
// CHECK-NEXT:  |
// CHECK-NEXT:  |  Number of Conditions: 6
// CHECK-NEXT:  |     Condition C1 --> (13:7)
// CHECK-NEXT:  |     Condition C2 --> (13:13)
// CHECK-NEXT:  |     Condition C3 --> (1:11)
// CHECK-NEXT:  |     Condition C4 --> (2:11)
// CHECK-NEXT:  |     Condition C5 --> (3:11)
// CHECK-NEXT:  |     Condition C6 --> (3:23)
// CHECK-NEXT:  |
// CHECK-NEXT:  |  Executed MC/DC Test Vectors:
// CHECK-NEXT:  |
// CHECK-NEXT:  |     C1, C2, C3, C4, C5, C6    Result
// CHECK-NEXT:  |  1 { T,  T,  T,  C,  -,  -  = T      }
// CHECK-NEXT:  |
// CHECK-NEXT:  |  C1-Pair: not covered
// CHECK-NEXT:  |  C2-Pair: not covered
// CHECK-NEXT:  |  C3-Pair: not covered
// CHECK-NEXT:  |  C4-Pair: constant folded
// CHECK-NEXT:  |  C5-Pair: not covered
// CHECK-NEXT:  |  C6-Pair: not covered
// CHECK-NEXT:  |  MC/DC Coverage for Decision: 0.00%
// CHECK-NEXT:  |
// CHECK-NEXT:  ------------------

Instructions for regenerating the test:

cd %S/Inputs # Or copy mcdc-macro.c into the working directory

clang -fcoverage-mcdc -fprofile-instr-generate -fcoverage-compilation-dir=. \
    -O3 -mllvm -enable-name-compression=false \
    -fcoverage-mapping mcdc-macro.c -c

# Instructions for generating proftext
clang -fprofile-instr-generate mcdc-macro.o
./a.out
llvm-profdata merge --sparse -o default.profdata default.profraw
llvm-profdata merge --text -o mcdc-macro.proftext default.profdata