b8cc0544d2
As discussed on [1], if the profile is compressed and llvm-profdata is not built with zlib support, the error message is not informative. Give a better error message if zlib is not available. [1] http://lists.llvm.org/pipermail/llvm-dev/2017-July/115571.html Reviewers: davidxl, dblaikie Differential Revision: https://reviews.llvm.org/D35586 llvm-svn: 308789
16 lines
584 B
Plaintext
16 lines
584 B
Plaintext
You need a checkout of clang with compiler-rt to generate the
|
|
binary file here. These shell commands can be used to regenerate
|
|
it.
|
|
$ SRC=path/to/llvm
|
|
$ CFE=$SRC/tools/clang
|
|
$ TESTDIR=$SRC/test/tools/llvm-profdata
|
|
$ CFE_TESTDIR=$CFE/test/Profile
|
|
$ clang -o a.out -fprofile-instr-generate $CFE_TESTDIR/c-general.c
|
|
$ LLVM_PROFILE_FILE=$TESTDIR/Inputs/compressed.profraw ./a.out
|
|
|
|
RUN: not llvm-profdata show %p/Inputs/compressed.profraw -o %t 2>&1 | FileCheck %s
|
|
|
|
REQUIRES: nozlib
|
|
|
|
CHECK: error: {{.*}} Profile uses zlib compression but the profile reader was built without zlib support
|