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authorXinliang David Li <davidxl@google.com>2016-01-27 03:13:09 +0000
committerXinliang David Li <davidxl@google.com>2016-01-27 03:13:09 +0000
commit56f7f9de5bd24629625bc845c428bc9a10c3eafc (patch)
treef33c81aaee2aca4a9d341f6798a3618e2bb286d5 /llvm/docs/CoverageMappingFormat.rst
parentfccf5c6e01a81b0f739e14302bd821a4f86bee94 (diff)
downloadbcm5719-llvm-56f7f9de5bd24629625bc845c428bc9a10c3eafc.tar.gz
bcm5719-llvm-56f7f9de5bd24629625bc845c428bc9a10c3eafc.zip
[Coverage] Fix more bugs in covmap V1 documentation
llvm-svn: 258906
Diffstat (limited to 'llvm/docs/CoverageMappingFormat.rst')
-rw-r--r--llvm/docs/CoverageMappingFormat.rst19
1 files changed, 11 insertions, 8 deletions
diff --git a/llvm/docs/CoverageMappingFormat.rst b/llvm/docs/CoverageMappingFormat.rst
index 84cddff5ed9..97809d56290 100644
--- a/llvm/docs/CoverageMappingFormat.rst
+++ b/llvm/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:
-------------
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