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author | Xinliang David Li <davidxl@google.com> | 2016-01-27 03:13:09 +0000 |
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committer | Xinliang David Li <davidxl@google.com> | 2016-01-27 03:13:09 +0000 |
commit | 04aa02841fe4effb5a45701ee18e9a226f027c36 (patch) | |
tree | cca5ff6980ce1415ce6c93041e6ff52c3a8386ce /docs/CoverageMappingFormat.rst | |
parent | 94dbbd19d011420067792bb918ace48741b67720 (diff) |
[Coverage] Fix more bugs in covmap V1 documentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258906 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CoverageMappingFormat.rst')
-rw-r--r-- | docs/CoverageMappingFormat.rst | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/docs/CoverageMappingFormat.rst b/docs/CoverageMappingFormat.rst index 84cddff5ed9..97809d56290 100644 --- a/docs/CoverageMappingFormat.rst +++ b/docs/CoverageMappingFormat.rst @@ -251,7 +251,7 @@ The coverage mapping variable generated by Clang has 3 fields: .. code-block:: llvm - @__llvm_coverage_mapping = internal constant { { i32, i32, i32, i32 }, [2 x { i8*, i32, i32 }], [40 x i8] } + @__llvm_coverage_mapping = internal constant { { i32, i32, i32, i32 }, [2 x { i8*, i32, i32, i64 }], [40 x i8] } { { i32, i32, i32, i32 } ; Coverage map header { @@ -260,14 +260,16 @@ The coverage mapping variable generated by Clang has 3 fields: i32 20, ; The length of the string that contains the encoded coverage mapping data i32 0, ; Coverage mapping format version }, - [2 x { i8*, i32, i32 }] [ ; Function records - { i8*, i32, i32 } { i8* getelementptr inbounds ([3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), ; Function's name + [2 x { i8*, i32, i32, i64 }] [ ; Function records + { i8*, i32, i32, i64 } { i8* getelementptr inbounds ([3 x i8]* @__profn_foo, i32 0, i32 0), ; Function's name i32 3, ; Function's name length - i32 9 ; Function's encoded coverage mapping data string length + i32 9, ; Function's encoded coverage mapping data string length + i64 0 ; Function's structural hash }, - { i8*, i32, i32 } { i8* getelementptr inbounds ([3 x i8]* @__llvm_profile_name_bar, i32 0, i32 0), ; Function's name + { i8*, i32, i32, i64 } { i8* getelementptr inbounds ([3 x i8]* @__profn_bar, i32 0, i32 0), ; Function's name i32 3, ; Function's name length - i32 9 ; Function's encoded coverage mapping data string length + i32 9, ; Function's encoded coverage mapping data string length + i64 0 ; Function's structural hash }], [40 x i8] c"..." ; Encoded data (dissected later) }, section "__llvm_covmap", align 8 @@ -294,10 +296,11 @@ A function record is a structure of the following type: .. code-block:: llvm - { i8*, i32, i32 } + { i8*, i32, i32, i64 } It contains the pointer to the function's name, function's name length, -and the length of the encoded mapping data for that function. +the length of the encoded mapping data for that function, and function's +hash value. Encoded data: ------------- |