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[sancov] introducing symbolized coverage files (.symcov)

Browse Source 
Summary:
Answering any meaningful questions about .sancov files requires
accessing symbol information from the corresponding binary.

This change introduces a separate intermediate data structure and
format: symbolized coverage. It contains all symbol information that
is required to answer common queries:
- merging
- coverd/uncovered files and functions
- line status.

Also removing the html report functionality from sancov: generated
HTML files are too huge, and a different approach is required.
Maintaining this half-working approach in the C++ is painful.

Differential Revision: https://reviews.llvm.org/D24947

llvm-svn: 282639
This commit is contained in:
Mike Aizatsky 2016-09-28 21:39:28 +00:00
parent 74c97ee568
commit 5d501f4c5e
7 changed files with 778 additions and 751 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/llvm/DebugInfo/DIContext.h
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@ -42,6 +42,10 @@ struct DILineInfo {
bool operator!=(const DILineInfo &RHS) const {
return !(*this == RHS);
}
bool operator<(const DILineInfo &RHS) const {
return std::tie(FileName, FunctionName, Line, Column) <
std::tie(RHS.FileName, RHS.FunctionName, RHS.Line, RHS.Column);
}
};
typedef SmallVector<std::pair<uint64_t, DILineInfo>, 16> DILineInfoTable;

25
test/tools/sancov/Inputs/test-linux_x86_64.0.symcov Normal file
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@ -0,0 +1,25 @@
{
"covered-points" : ["4e132b", "4e1472", "4e1520", "4e1553", "4e1586"],
"binary-hash" : "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5",
"point-symbol-info" : {
"test/tools/sancov/Inputs/foo.cpp" : {
"foo()" : {
"4e178c" : "5:0"
}
},
"test/tools/sancov/Inputs/test.cpp" : {
"bar(std::string)" : {
"4e132b" : "12:0"
},
"main" : {
"4e1472" : "14:0",
"4e14c2" : "16:9",
"4e1520" : "17:5",
"4e1553" : "17:5",
"4e1586" : "17:5",
"4e1635" : "19:1",
"4e1690" : "17:5"
}
}
}
}

25
test/tools/sancov/Inputs/test-linux_x86_64.1.symcov Normal file
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@ -0,0 +1,25 @@
{
"covered-points" : ["4e132b", "4e1472", "4e14c2", "4e1520", "4e1553", "4e1586", "4e178c"],
"binary-hash" : "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5",
"point-symbol-info" : {
"test/tools/sancov/Inputs/foo.cpp" : {
"foo()" : {
"4e178c" : "5:0"
}
},
"test/tools/sancov/Inputs/test.cpp" : {
"bar(std::string)" : {
"4e132b" : "12:0"
},
"main" : {
"4e1472" : "14:0",
"4e14c2" : "16:9",
"4e1520" : "17:5",
"4e1553" : "17:5",
"4e1586" : "17:5",
"4e1635" : "19:1",
"4e1690" : "17:5"
}
}
}
}

6
test/tools/sancov/html-report.test
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@ -1,6 +0,0 @@
REQUIRES: x86_64-linux
RUN: sancov -html-report %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.0.sancov | FileCheck %s
// It's very difficult to test html report. Do basic smoke check.
CHECK: {{.*/Inputs/test.cpp}}

64
test/tools/sancov/merge.test Normal file
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@ -0,0 +1,64 @@
REQUIRES: x86_64-linux
RUN: sancov -merge %p/Inputs/test-linux_x86_64.0.symcov| FileCheck --check-prefix=MERGE1 %s
RUN: sancov -merge %p/Inputs/test-linux_x86_64.0.symcov %p/Inputs/test-linux_x86_64.1.symcov| FileCheck --check-prefix=MERGE2 %s
MERGE1: {
MERGE1-NEXT: "covered-points" : ["4e132b", "4e1472", "4e1520", "4e1553", "4e1586"],
MERGE1-NEXT: "binary-hash" : "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5",
MERGE1-NEXT: "point-symbol-info" : {
MERGE1-NEXT: "test/tools/sancov/Inputs/foo.cpp" : {
MERGE1-NEXT: "foo()" : {
MERGE1-NEXT: "4e178c" : "5:0"
MERGE1-NEXT: }
MERGE1-NEXT: },
MERGE1-NEXT: "test/tools/sancov/Inputs/test.cpp" : {
MERGE1-NEXT: "bar(std::string)" : {
MERGE1-NEXT: "4e132b" : "12:0"
MERGE1-NEXT: },
MERGE1-NEXT: "main" : {
MERGE1-NEXT: "4e1472" : "14:0",
MERGE1-NEXT: "4e14c2" : "16:9",
MERGE1-NEXT: "4e1520" : "17:5",
MERGE1-NEXT: "4e1553" : "17:5",
MERGE1-NEXT: "4e1586" : "17:5",
MERGE1-NEXT: "4e1635" : "19:1",
MERGE1-NEXT: "4e1690" : "17:5"
MERGE1-NEXT: }
MERGE1-NEXT: }
MERGE1-NEXT: }
MERGE1-NEXT: }
MERGE2: {
MERGE2-NEXT: "covered-points" : ["BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e132b", "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1472", "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e14c2", "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1520", "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1553", "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1586", "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e178c"],
MERGE2-NEXT: "point-symbol-info" : {
MERGE2-NEXT: "test/tools/sancov/Inputs/foo.cpp" : {
MERGE2-NEXT: "foo()" : {
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e178c" : "5:0",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e178c" : "5:0"
MERGE2-NEXT: }
MERGE2-NEXT: },
MERGE2-NEXT: "test/tools/sancov/Inputs/test.cpp" : {
MERGE2-NEXT: "bar(std::string)" : {
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e132b" : "12:0",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e132b" : "12:0"
MERGE2-NEXT: },
MERGE2-NEXT: "main" : {
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1472" : "14:0",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e14c2" : "16:9",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1520" : "17:5",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1553" : "17:5",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1586" : "17:5",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1635" : "19:1",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1690" : "17:5",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1472" : "14:0",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e14c2" : "16:9",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1520" : "17:5",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1553" : "17:5",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1586" : "17:5",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1635" : "19:1",
MERGE2-NEXT: "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5:4e1690" : "17:5"
MERGE2-NEXT: }
MERGE2-NEXT: }
MERGE2-NEXT: }
MERGE2-NEXT: }

29
test/tools/sancov/symbolize.test Normal file
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@ -0,0 +1,29 @@
REQUIRES: x86_64-linux
RUN: sancov -symbolize -strip_path_prefix="llvm/" %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.0.sancov | FileCheck %s
CHECK: {
CHECK-NEXT: "covered-points" : ["4e132b", "4e1472", "4e1520", "4e1553", "4e1586"],
CHECK-NEXT: "binary-hash" : "BB3CDD5045AED83906F6ADCC1C4DAF7E2596A6B5",
CHECK-NEXT: "point-symbol-info" : {
CHECK-NEXT: "test/tools/sancov/Inputs/foo.cpp" : {
CHECK-NEXT: "foo()" : {
CHECK-NEXT: "4e178c" : "5:0"
CHECK-NEXT: }
CHECK-NEXT: },
CHECK-NEXT: "test/tools/sancov/Inputs/test.cpp" : {
CHECK-NEXT: "bar(std::string)" : {
CHECK-NEXT: "4e132b" : "12:0"
CHECK-NEXT: },
CHECK-NEXT: "main" : {
CHECK-NEXT: "4e1472" : "14:0",
CHECK-NEXT: "4e14c2" : "16:9",
CHECK-NEXT: "4e1520" : "17:5",
CHECK-NEXT: "4e1553" : "17:5",
CHECK-NEXT: "4e1586" : "17:5",
CHECK-NEXT: "4e1635" : "19:1",
CHECK-NEXT: "4e1690" : "17:5"
CHECK-NEXT: }
CHECK-NEXT: }
CHECK-NEXT: }
CHECK-NEXT:}

1376
tools/sancov/sancov.cc
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