[llvm-cov] Minor visual tweaks for html reports

  - Change the location of the 'Region Coverage' column.
  - Use less css and text for some labels.

llvm-svn: 281145
diff --git a/llvm/test/tools/llvm-cov/native_separators.c b/llvm/test/tools/llvm-cov/native_separators.c
index 44813aa1..4708738 100644
--- a/llvm/test/tools/llvm-cov/native_separators.c
+++ b/llvm/test/tools/llvm-cov/native_separators.c
@@ -15,16 +15,10 @@
 
 // TEXT-INDEX: \tmp\native_separators.c
 // HTML-INDEX: >tmp\native_separators.c</a>
-// HTML: <pre>Source: \tmp\native_separators.c (Binary: native_separators.covmapping)</pre>
+// HTML: <pre>\tmp\native_separators.c (Binary: native_separators.covmapping)</pre>
 
 int main() {}
 
 // RUN: llvm-cov show %S/Inputs/native_separators.covmapping -instr-profile=%t.profdata -filename-equivalence %s -o %t.dir
 // RUN: FileCheck -check-prefixes=TEXT -input-file=%t.dir/coverage/tmp/native_separators.c.txt %s
-// TEXT: Source: \tmp\native_separators.c (Binary: native_separators.covmapping)
-
-// Re-purpose this file to test that "Go to first unexecuted line" feature.
-
-// RUN: llvm-cov show %S/Inputs/native_separators.covmapping -instr-profile %t.profdata -filename-equivalence -format html -o %t.dir %s
-// RUN: FileCheck -input-file %t.dir/coverage/tmp/native_separators.c.html %s
-// CHECK-NOT: >Go to first unexecuted line<
+// TEXT: \tmp\native_separators.c (Binary: native_separators.covmapping)