Revert "[Coverage] Revise format to reduce binary size"

This reverts commit e18531595bba495946aa52c0a16b9f9238cff8bc.

On Windows, there is an error:

http://lab.llvm.org:8011/builders/sanitizer-windows/builds/54963/steps/stage%201%20check/logs/stdio

error: C:\b\slave\sanitizer-windows\build\stage1\projects\compiler-rt\test\profile\Profile-x86_64\Output\instrprof-merging.cpp.tmp.v1.o: Failed to load coverage: Malformed coverage data

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
index ffc88913157..04c7e856b5d 100644
--- a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
@@ -74,6 +74,10 @@ cl::opt<unsigned> MemOPSizeLarge(
 
 namespace {
 
+cl::opt<bool> DoNameCompression("enable-name-compression",
+                                cl::desc("Enable name string compression"),
+                                cl::init(true));
+
 cl::opt<bool> DoHashBasedCounterSplit(
     "hash-based-counter-split",
     cl::desc("Rename counter variable of a comdat function based on cfg hash"),
@@ -912,7 +916,7 @@ void InstrProfiling::emitNameData() {
 
   std::string CompressedNameStr;
   if (Error E = collectPGOFuncNameStrings(ReferencedNames, CompressedNameStr,
-                                          DoInstrProfNameCompression)) {
+                                          DoNameCompression)) {
     report_fatal_error(toString(std::move(E)), false);
   }