[PGO][PGSO] Enable profile guided size optimization for non-cold code under instrumentation PGO.

Summary:
This enables it for large working set size cases only.

This does not enable it under sample PGO.

Reviewers: davidxl

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D74073

Author: hjyamauchi

llvm/lib/Transforms/Utils/SizeOpts.cpp

@@ -24,12 +24,12 @@ cl::opt<bool> PGSOLargeWorkingSetSizeOnly(
              "if the working set size is large (except for cold code.)"));
 
 cl::opt<bool> PGSOColdCodeOnly(
-    "pgso-cold-code-only", cl::Hidden, cl::init(true),
+    "pgso-cold-code-only", cl::Hidden, cl::init(false),
     cl::desc("Apply the profile guided size optimizations only "
              "to cold code."));
 
 cl::opt<bool> PGSOColdCodeOnlyForInstrPGO(
-    "pgso-cold-code-only-for-instr-pgo", cl::Hidden, cl::init(true),
+    "pgso-cold-code-only-for-instr-pgo", cl::Hidden, cl::init(false),
     cl::desc("Apply the profile guided size optimizations only "
              "to cold code under instrumentation PGO."));