Rebase on llvm changes.

Created using spr 1.3.6-beta.1

Author: Prabhuk

llvm/test/CodeGen/X86/call-graph-section-assembly.ll

@@ -1,4 +1,3 @@
-;; Test .callgraph section in assembly.
 ;; Test if temporary labels are generated for each indirect callsite with a callee_type metadata.
 ;; Test if the .callgraph section contains the numerical callee type id for each of the temporary 
 ;; labels generated. 

llvm/test/MC/X86/verify-callgraph-section.s

@@ -1,4 +1,6 @@
-// Test that the assembler produced callgraph section is correct.
+/// Test the callgraph section to make sure the indirect callsites
+/// (annotated by generated temporary labels .Ltmp*) are associated
+/// with the corresponding callee type identifiers.
 
 // RUN: llvm-mc -triple=x86_64 -filetype=obj -o - < %s | llvm-readelf -x .callgraph - | FileCheck %s
 
@@ -41,12 +43,15 @@ ball:                                   # @ball
 	.quad	.Lfunc_begin0
 	.quad	1
 	.quad	3
+	/// Numerical hash of the callee type ID for foo.
     // CHECK: 2444f731 f5eecb3e
 	.quad	0x3ecbeef531f74424
 	.quad	.Ltmp0
+	/// Numerical hash of the callee type ID for bar.
     // CHECK: 5486bc59 814b8e30
 	.quad	0x308e4b8159bc8654
 	.quad	.Ltmp1
+	/// Numerical hash of the callee type ID for baz.
     // CHECK: 7ade6814 f897fd77
 	.quad	0x77fd97f81468de7a
 	.quad	.Ltmp2