376 lines
14 KiB
Plaintext
376 lines
14 KiB
Plaintext
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# Tests for compatibility between llvm-cov and gcov. These work by
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# comparing llvm-cov against reference outputs generated by gcov 4.2.
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# Test fails on Windows where internal shell is used due to path separator
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# mismatches.
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REQUIRES: shell
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RUN: rm -rf %t
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RUN: mkdir %t
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RUN: cd %t
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RUN: cp %p/Inputs/test* .
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# Basic behaviour with no flags
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RUN: llvm-cov gcov test.c 2> %t.err | FileCheck %s --check-prefixes=OUT,OUTFILE --match-full-lines --strict-whitespace
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RUN: FileCheck %s --check-prefix=C --match-full-lines --strict-whitespace < test.cpp.gcov
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RUN: diff -ub test_no_options.h.gcov test.h.gcov
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RUN: count 0 < %t.err
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# Same, but specifying the object directory
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RUN: mkdir -p %t/objdir
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RUN: cp test.gcno test.gcda %t/objdir
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RUN: llvm-cov gcov -o objdir test.c | FileCheck %s --check-prefixes=OUT,OUTFILE
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RUN: FileCheck --input-file=test.cpp.gcov %s --check-prefix=OBJDIR
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OBJDIR: 0:Graph:objdir/test.gcno
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OBJDIR-NEXT: 0:Data:objdir/test.gcda
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# Specifying an object file
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RUN: llvm-cov gcov -o objdir/test.o test.c
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RUN: FileCheck --input-file=test.cpp.gcov %s --check-prefix=OBJDIR
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# Specifying an object file that could be ambiguous with a directory
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RUN: llvm-cov gcov -o objdir/test test.c
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RUN: FileCheck --input-file=test.cpp.gcov %s --check-prefix=OBJDIR
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# With gcov output disabled
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RUN: llvm-cov gcov -n test.c | FileCheck %s --check-prefix=OUT
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# Print to stdout.
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RUN: llvm-cov gcov -t test.c > stdout
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RUN: llvm-cov gcov --stdout test.c | cmp stdout -
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RUN: cat test_no_options.cpp.gcov test_no_options.h.gcov | diff -u - stdout
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RUN: llvm-cov gcov -n -t test.c | count 0
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RUN: llvm-cov gcov test_paths.cpp 2>/dev/null | FileCheck %s --check-prefix=MISSING
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RUN: ls a.c.gcov
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MISSING: File 'src/./n/../a.c'
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MISSING: Creating 'a.c.gcov'
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# Preserve paths. This mangles the output filenames.
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RUN: llvm-cov gcov -p test_paths.cpp 2>/dev/null | FileCheck %s --check-prefix=PRESERVE
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RUN: ls src#n#^#a.c.gcov
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PRESERVE: File 'src/./n/../a.c'
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PRESERVE: Creating 'src#n#^#a.c.gcov'
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# Long file names.
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RUN: llvm-cov gcov -l test_paths.cpp
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RUN: ls test_paths.cpp##a.c.gcov
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# Long file names and preserve paths.
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RUN: mkdir -p src && llvm-cov gcov -lp -gcno test_paths.gcno -gcda test_paths.gcda src/../test_paths.cpp
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RUN: ls src#^#test_paths.cpp##src#n#^#a.c.gcov
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# Hash pathnames.
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RUN: llvm-cov gcov -x -gcno test_paths.gcno -gcda test_paths.gcda src/../test_paths.cpp
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RUN: ls a.c##4784150e272908907eaa7380ca3eced8.gcov
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# Function summaries. This changes stdout, but not the gcov files.
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RUN: llvm-cov gcov test.c -f | FileCheck %s --check-prefixes=OUT,OUTFILE,OUT-F
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RUN: FileCheck --input-file=test.cpp.gcov %s --check-prefix=C
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RUN: FileCheck --input-file=test.h.gcov %s --check-prefix=H
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# All blocks. This doesn't affect stdout, only the gcov files.
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RUN: llvm-cov gcov test.c -a | FileCheck %s --check-prefixes=OUT,OUTFILE
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RUN: FileCheck --input-file=test.cpp.gcov %s --check-prefixes=C,C-A
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RUN: FileCheck --input-file=test.h.gcov %s --check-prefixes=H,H-A
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# Branch probabilities.
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RUN: llvm-cov gcov test.c -a -b | FileCheck %s --check-prefixes=OUT,OUTFILE,OUT-B
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RUN: FileCheck --input-file=test.cpp.gcov %s --check-prefixes=C,C-A,C-B
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RUN: FileCheck --input-file=test.h.gcov %s --check-prefixes=H,H-A,H-B
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# Function summaries including branch probabilities.
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RUN: llvm-cov gcov test.c -a -b -f | FileCheck %s --check-prefixes=OUT,OUTFILE,OUT-F,OUT-B,OUT-FB --match-full-lines --strict-whitespace
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RUN: FileCheck %s --check-prefixes=C,C-A,C-B --match-full-lines --strict-whitespace < test.cpp.gcov
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RUN: FileCheck %s --check-prefixes=H,H-A,H-B --match-full-lines --strict-whitespace < test.h.gcov
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OUT-F:Function '_ZN1A1BEv'
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OUT-F-NEXT:Lines executed:100.00% of 1
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function '_Z7uselessv'
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OUT-F-NEXT:Lines executed:0.00% of 1
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function '_Z12more_uselessv'
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OUT-F-NEXT:Lines executed:0.00% of 2
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function '_Z3foov'
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OUT-F-NEXT:Lines executed:100.00% of 3
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function '_Z3barv'
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OUT-F-NEXT:Lines executed:0.00% of 3
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function '_Z6assignii'
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OUT-F-NEXT:Lines executed:100.00% of 3
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function '_Z15initialize_gridv'
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OUT-F-NEXT:Lines executed:100.00% of 5
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function 'main'
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OUT-F-NEXT:Lines executed:92.00% of 25
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT-F-NEXT:Function '_ZN1AC2Ev'
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OUT-F-NEXT:Lines executed:100.00% of 1
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OUT-FB-NEXT:No branches
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OUT-FB-NEXT:No calls
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OUT-F-EMPTY:
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OUT:File 'test.cpp'
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OUT-NEXT:Lines executed:81.40% of 43
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OUT-B-NEXT:Branches executed:100.00% of 15
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OUT-B-NEXT:Taken at least once:86.67% of 15
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OUT-B-NEXT:No calls
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OUTFILE-NEXT:Creating 'test.cpp.gcov'
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OUT-EMPTY:
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OUT-NEXT:File './test.h'
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OUT-NEXT:Lines executed:100.00% of 1
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OUT-B-NEXT:No branches
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OUT-B-NEXT:No calls
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OUTFILE-NEXT:Creating 'test.h.gcov'
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# Summarize unconditional branches too.
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RUN: llvm-cov gcov test.c -a -b -u | FileCheck %s --check-prefixes=OUT,OUTFILE,OUT-B
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RUN: FileCheck --input-file=test.cpp.gcov %s --check-prefixes=C,C-A,C-B,C-U
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RUN: FileCheck --input-file=test.h.gcov %s --check-prefixes=H,H-A,H-B,H-U
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# Absolute counts for branches.
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RUN: llvm-cov gcov test.c -a -b -c -u
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RUN: FileCheck --input-file=test.h.gcov %s --check-prefix=H-C
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H-C: unconditional 0 taken 1
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# Missing gcda file just gives 0 counts.
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RUN: llvm-cov gcov test.c -gcda=no_such_gcda_file | FileCheck %s --check-prefix=NO-GCDA
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RUN: diff -ub test_no_gcda.cpp.gcov test.cpp.gcov
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RUN: diff -ub test_no_gcda.h.gcov test.h.gcov
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NO-GCDA: File 'test.cpp'
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NO-GCDA-NEXT: Lines executed:0.00% of 43
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NO-GCDA-NEXT: Creating 'test.cpp.gcov'
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NO-GCDA-EMPTY:
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NO-GCDA-NEXT: File './test.h'
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NO-GCDA-NEXT: Lines executed:0.00% of 1
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NO-GCDA-NEXT: Creating 'test.h.gcov'
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# Invalid gcno file.
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RUN: llvm-cov gcov test.c -gcno=test_read_fail.gcno
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# Not a .gcda file. Error but keep the .gcov output.
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RUN: echo invalid > not.gcda
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RUN: llvm-cov gcov test.c -gcda=not.gcda 2> %t.err | FileCheck %s --check-prefix=NO-GCDA
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RUN: FileCheck %s --check-prefix=NOT-GCDA < %t.err
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NOT-GCDA: not.gcda:not a gcov data file
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# Bad file checksum on gcda.
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RUN: llvm-cov gcov test.c -gcda=test_file_checksum_fail.gcda 2> %t.err | FileCheck %s --check-prefix=NO-GCDA
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# Bad function checksum on gcda
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RUN: llvm-cov gcov test.c -gcda=test_func_checksum_fail.gcda 2> %t.err | FileCheck %s --check-prefix=NO-GCDA
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# Has arcs from exit blocks
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RUN-DISABLED: llvm-cov gcov test_exit_block_arcs.c 2>&1 | FileCheck %s -check-prefix=EXIT_BLOCK_ARCS
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EXIT_BLOCK_ARCS: (main) has arcs from exit block.
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C: -: 0:Source:test.cpp
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C-NEXT: -: 0:Graph:test.gcno
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C-NEXT: -: 0:Data:test.gcda
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C-NEXT: -: 0:Runs:1
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C-NEXT: -: 0:Programs:1
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C-NEXT: -: 1:#include "test.h"
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C-NEXT: -: 2:#include <cstdlib>
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C-NEXT: -: 3:
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C-NEXT: -: 4:bool on = false;
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C-NEXT: -: 5:int len = 42;
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C-NEXT: -: 6:double grid[10][10] = {0};
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C-NEXT: -: 7:const char * hello = "world";
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C-NEXT: -: 8:const char * world = "hello";
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C-NEXT: -: 9:
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C-B:function _ZN1A1BEv called 4294967296 returned 100% blocks executed 100%
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C-NEXT:4294967296: 10:void A::B() {}
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C-A:4294967296: 10-block 0
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C-U:unconditional 0 taken 100%
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C-A:4294967296: 10-block 1
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C-U:unconditional 1 taken 100%
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C-NEXT: -: 11:
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C-B:function _Z7uselessv called 0 returned 0% blocks executed 0%
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C-NEXT: #####: 12:void useless() {}
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C-A: $$$$$: 12-block 0
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C-U:unconditional 0 never executed
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C-A: $$$$$: 12-block 1
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C-U:unconditional 1 never executed
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C-NEXT: -: 13:
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C-B:function _Z12more_uselessv called 0 returned 0% blocks executed 0%
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C-NEXT: #####: 14:double more_useless() {
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C-NEXT: #####: 15: return 0;
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C-A: $$$$$: 15-block 0
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C-U:unconditional 0 never executed
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C-A: $$$$$: 15-block 1
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C-U:unconditional 1 never executed
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C-NEXT: -: 16:}
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C-NEXT: -: 17:
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C-B:function _Z3foov called 1 returned 100% blocks executed 100%
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C-NEXT: 1: 18:int foo() {
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C-NEXT: 1: 19: on = true;
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C-A: 1: 19-block 0
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C-U:unconditional 0 taken 100%
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C-NEXT: 1: 20: return 3;
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C-A: 1: 20-block 0
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C-U:unconditional 0 taken 100%
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C-NEXT: -: 21:}
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C-NEXT: -: 22:
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C-B:function _Z3barv called 0 returned 0% blocks executed 0%
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C-NEXT: #####: 23:int bar() {
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C-NEXT: #####: 24: len--;
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C-A: $$$$$: 24-block 0
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C-U:unconditional 0 never executed
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C-NEXT: #####: 25: return foo() + 45;
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C-A: $$$$$: 25-block 0
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C-U:unconditional 0 never executed
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C-NEXT: -: 26:}
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C-NEXT: -: 27:
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C-B:function _Z6assignii called 4 returned 100% blocks executed 100%
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C-NEXT: 4: 28:void assign(int ii, int jj) {
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C-A: 4: 28-block 0
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C-U:unconditional 0 taken 100%
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C-NEXT: 4: 29: grid[ii][jj] = (ii+1) * (jj+1);
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C-NEXT: 4: 30:}
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C-A: 4: 30-block 0
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C-U:unconditional 0 taken 100%
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C-NEXT: -: 31:
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C-B:function _Z15initialize_gridv called 1 returned 100% blocks executed 100%
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C-NEXT: 1: 32:void initialize_grid() {
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C-NEXT: 3: 33: for (int ii = 0; ii < 2; ii++)
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C-A: 1: 33-block 0
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C-U:unconditional 0 taken 100%
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C-A: 1: 33-block 1
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C-U:unconditional 1 taken 100%
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C-A: 3: 33-block 2
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C-B:branch {{[02]}} taken 67%
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C-B:branch {{[13]}} taken 33%
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C-A: 2: 33-block 3
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C-U:unconditional 4 taken 100%
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C-NEXT: 6: 34: for (int jj = 0; jj < 2; jj++)
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C-A: 2: 34-block 0
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C-U:unconditional 0 taken 100%
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C-A: 6: 34-block 1
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C-B:branch {{[01]}} taken 67%
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C-B:branch {{[12]}} taken 33%
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C-A: 4: 34-block 2
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C-U:unconditional 3 taken 100%
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C-NEXT: 6: 35: assign(ii, jj);
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C-A: 4: 35-block 0
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C-U:unconditional 0 taken 100%
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C-A: 2: 35-block 1
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C-U:unconditional 1 taken 100%
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C-NEXT: 1: 36:}
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C-A: 1: 36-block 0
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C-U:unconditional 0 taken 100%
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C-NEXT: -: 37:
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C-B:function main called 1 returned 100% blocks executed 94%
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C-NEXT: 1: 38:int main() {
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C-A: 1: 38-block 0
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C-U:unconditional 0 taken 100%
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C-NEXT: 1: 39: initialize_grid();
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C-NEXT: -: 40:
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C-NEXT: 1: 41: int a = 2;
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C-NEXT: 1: 42: on = rand() % 2;
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C-NEXT: 1: 43: if (on) {
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C-A: 1: 43-block 0
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C-B:branch 0 taken 100%
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C-B:branch 1 taken 0%
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C-NEXT: 1: 44: foo();
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C-NEXT: 1: 45: ++a;
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C-NEXT: 1: 46: } else {
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C-A: 1: 46-block 0
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C-U:unconditional 0 taken 100%
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C-NEXT: #####: 47: bar();
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C-NEXT: #####: 48: a += rand();
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C-A: $$$$$: 48-block 0
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C-U:unconditional 0 never executed
|
||
|
|
C-NEXT: -: 49: }
|
||
|
|
C-NEXT: -: 50:
|
||
|
|
C-NEXT: 11: 51: for (int ii = 0; ii < 10; ++ii) {
|
||
|
|
C-A: 1: 51-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-A: 11: 51-block 1
|
||
|
|
C-B:branch {{[01]}} taken 91%
|
||
|
|
C-B:branch {{[12]}} taken 9%
|
||
|
|
C-A: 10: 51-block 2
|
||
|
|
C-U:unconditional 3 taken 100%
|
||
|
|
C-NEXT: 10: 52: switch (rand() % 5) {
|
||
|
|
C-A: 10: 52-block 0
|
||
|
|
C-B:branch 0 taken 10%
|
||
|
|
C-B:branch 1 taken 20%
|
||
|
|
C-B:branch 2 taken 0%
|
||
|
|
C-B:branch 3 taken 40%
|
||
|
|
C-B:branch 4 taken 30%
|
||
|
|
C-NEXT: -: 53: case 0:
|
||
|
|
C-NEXT: 2: 54: a += rand();
|
||
|
|
C-NEXT: 2: 55: break;
|
||
|
|
C-A: 2: 55-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-NEXT: -: 56: case 1:
|
||
|
|
C-NEXT: -: 57: case 2:
|
||
|
|
C-NEXT: 4: 58: a += rand() / rand();
|
||
|
|
C-NEXT: 4: 59: break;
|
||
|
|
C-A: 4: 59-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-NEXT: -: 60: case 3:
|
||
|
|
C-NEXT: 3: 61: a -= rand();
|
||
|
|
C-NEXT: 3: 62: break;
|
||
|
|
C-A: 3: 62-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-NEXT: -: 63: default:
|
||
|
|
C-NEXT: 1: 64: a = -1;
|
||
|
|
C-NEXT: 1: 65: }
|
||
|
|
C-A: 1: 65-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-NEXT: 10: 66: }
|
||
|
|
C-A: 10: 66-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-NEXT: -: 67:
|
||
|
|
C-NEXT: 1: 68: A thing;
|
||
|
|
C-NEXT:4294967297: 69: for (uint64_t ii = 0; ii < 4294967296; ++ii)
|
||
|
|
C-A: 1: 69-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-A:4294967297: 69-block 1
|
||
|
|
C-B:branch {{[01]}} taken 99%
|
||
|
|
C-B:branch {{[12]}} taken 1%
|
||
|
|
C-A:4294967296: 69-block 2
|
||
|
|
C-U:unconditional 3 taken 100%
|
||
|
|
C-NEXT:4294967296: 70: thing.B();
|
||
|
|
C-A:4294967296: 70-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-NEXT: -: 71:
|
||
|
|
C-NEXT: 1: 72: return a + 8 + grid[2][3] + len;
|
||
|
|
C-A: 1: 72-block 0
|
||
|
|
C-U:unconditional 0 taken 100%
|
||
|
|
C-NEXT: -: 73: return more_useless();
|
||
|
|
C-NEXT: -: 74:}
|
||
|
|
|
||
|
|
H: -: 0:Source:./test.h
|
||
|
|
H-NEXT: -: 0:Graph:test.gcno
|
||
|
|
H-NEXT: -: 0:Data:test.gcda
|
||
|
|
H-NEXT: -: 0:Runs:1
|
||
|
|
H-NEXT: -: 0:Programs:1
|
||
|
|
H-NEXT: -: 1:#include <stdint.h>
|
||
|
|
H-B:function _ZN1AC2Ev called 1 returned 100% blocks executed 100%
|
||
|
|
H-NEXT: 1: 2:struct A {
|
||
|
|
H-A: 1: 2-block 0
|
||
|
|
H-U:unconditional 0 taken 100%
|
||
|
|
H-NEXT: -: 3: virtual void B();
|
||
|
|
H-NEXT: -: 4:};
|