[llvm] r258906 - [Coverage] Fix more bugs in covmap V1 documentation

Xinliang David Li via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 26 19:13:09 PST 2016


Author: davidxl
Date: Tue Jan 26 21:13:09 2016
New Revision: 258906

URL: http://llvm.org/viewvc/llvm-project?rev=258906&view=rev
Log:
[Coverage] Fix more bugs in covmap V1 documentation

Modified:
    llvm/trunk/docs/CoverageMappingFormat.rst

Modified: llvm/trunk/docs/CoverageMappingFormat.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/CoverageMappingFormat.rst?rev=258906&r1=258905&r2=258906&view=diff
==============================================================================
--- llvm/trunk/docs/CoverageMappingFormat.rst (original)
+++ llvm/trunk/docs/CoverageMappingFormat.rst Tue Jan 26 21:13:09 2016
@@ -251,7 +251,7 @@ The coverage mapping variable generated
 
 .. 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
       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
 
 .. 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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