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llvm-mirror/test/tools/llvm-profdata/same-filename.test

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llvm-profdata] Handle the cases of overlapping input file and output file Currently llvm-profdata does not expect the same file name for the input profile and the output profile. >llvm-profdata merge A.profraw B.profraw -o B.profraw The above command runs successfully but the resulted B.profraw is not correct. This patch fixes the issue by moving the initialization of writer after loading the profile. For the show command, the following will report a confusing error of "Empty raw profile file": >llvm-profdata show B.profraw -o B.profraw It's harder to fix as we need to output something before loading the input profile. I don't think that a fix for this is worth the effort. I just make the error explicit for the show command. Differential Revision: https://reviews.llvm.org/D64360 llvm-svn: 365386
2019-07-08 23:03:12 +02:00
Test the input file names overlap with the output file names.
This is OK for merging instrument profiles.
RUN: cp %S/Inputs/same-name-1.proftext %t.0.proftext
[llvm-profdata] Don't make the output overwrite the input file. Some file systems may not allow this behavior, the test fails on our internal system ("Permission denied"). llvm-svn: 365450
2019-07-09 11:57:45 +02:00
RUN: llvm-profdata merge -o %t.0.profdata -text %t.0.proftext %t.0.proftext
RUN: llvm-profdata show -counts -all-functions %t.0.profdata -o %t_show_0
llvm-profdata] Handle the cases of overlapping input file and output file Currently llvm-profdata does not expect the same file name for the input profile and the output profile. >llvm-profdata merge A.profraw B.profraw -o B.profraw The above command runs successfully but the resulted B.profraw is not correct. This patch fixes the issue by moving the initialization of writer after loading the profile. For the show command, the following will report a confusing error of "Empty raw profile file": >llvm-profdata show B.profraw -o B.profraw It's harder to fix as we need to output something before loading the input profile. I don't think that a fix for this is worth the effort. I just make the error explicit for the show command. Differential Revision: https://reviews.llvm.org/D64360 llvm-svn: 365386
2019-07-08 23:03:12 +02:00
RUN: llvm-profdata show -counts -all-functions %S/Inputs/same-name-2.proftext -o %t_show_1
RUN: diff %t_show_0 %t_show_1
RUN: llvm-profdata merge -o %t.1.profdata %S/Inputs/same-name-1.proftext
RUN: llvm-profdata merge -o %t.1.profdata %t.1.profdata %t.1.profdata
RUN: llvm-profdata show -counts -all-functions %t.1.profdata -o %t_show_2
RUN: diff %t_show_2 %t_show_1
We report error for the show command.
RUN: not llvm-profdata show -o %t.1.profdata %t.1.profdata 2>&1 | FileCheck %s
[llvm-profdata] Fix buildbot failure on llvm-clang-x86_64-expensive-checks-win This fixes buildbot failure in LLVM on llvm-clang-x86_64-expensive-checks-win from r365386. llvm-svn: 365401
2019-07-09 00:17:55 +02:00
CHECK: llvm-profdata{{.*}} show: Input file name cannot be the same as the output file name!
llvm-profdata] Handle the cases of overlapping input file and output file Currently llvm-profdata does not expect the same file name for the input profile and the output profile. >llvm-profdata merge A.profraw B.profraw -o B.profraw The above command runs successfully but the resulted B.profraw is not correct. This patch fixes the issue by moving the initialization of writer after loading the profile. For the show command, the following will report a confusing error of "Empty raw profile file": >llvm-profdata show B.profraw -o B.profraw It's harder to fix as we need to output something before loading the input profile. I don't think that a fix for this is worth the effort. I just make the error explicit for the show command. Differential Revision: https://reviews.llvm.org/D64360 llvm-svn: 365386
2019-07-08 23:03:12 +02:00
This is OK for merging sample fdo profiles.
RUN: cp %S/Inputs/same-name-3.proftext %t.3.proftext
[llvm-profdata] Don't make the output overwrite the input file. Some file systems may not allow this behavior, the test fails on our internal system ("Permission denied"). llvm-svn: 365450
2019-07-09 11:57:45 +02:00
RUN: llvm-profdata merge --sample -o %t.3.profdata -text %t.3.proftext %t.3.proftext
RUN: llvm-profdata show --sample -counts -all-functions %t.3.profdata -o %t_show_3
llvm-profdata] Handle the cases of overlapping input file and output file Currently llvm-profdata does not expect the same file name for the input profile and the output profile. >llvm-profdata merge A.profraw B.profraw -o B.profraw The above command runs successfully but the resulted B.profraw is not correct. This patch fixes the issue by moving the initialization of writer after loading the profile. For the show command, the following will report a confusing error of "Empty raw profile file": >llvm-profdata show B.profraw -o B.profraw It's harder to fix as we need to output something before loading the input profile. I don't think that a fix for this is worth the effort. I just make the error explicit for the show command. Differential Revision: https://reviews.llvm.org/D64360 llvm-svn: 365386
2019-07-08 23:03:12 +02:00
RUN: llvm-profdata show --sample -counts -all-functions %S/Inputs/same-name-4.proftext -o %t_show_4
RUN: diff %t_show_3 %t_show_4
RUN: llvm-profdata merge --sample -o %t.5.profdata %S/Inputs/same-name-3.proftext
RUN: llvm-profdata merge --sample -o %t.5.profdata %t.5.profdata %t.5.profdata
RUN: llvm-profdata show --sample -counts -all-functions %t.5.profdata -o %t_show_6
RUN: diff %t_show_6 %t_show_4
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