[NewPassManager] Pass the -fdebug-pass-manager flag setting into the Analysis managers to match what we do in opt

Summary: Currently the -fdebug-pass-manager flag for clang doesn't enable the debug logging in the analysis managers. This is different than what the switch does when passed to opt.

Reviewers: chandlerc

Reviewed By: chandlerc

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D40007

llvm-svn: 318140
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 9496f52..db93694 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -867,10 +867,10 @@
 
   PassBuilder PB(TM.get(), PGOOpt);
 
-  LoopAnalysisManager LAM;
-  FunctionAnalysisManager FAM;
-  CGSCCAnalysisManager CGAM;
-  ModuleAnalysisManager MAM;
+  LoopAnalysisManager LAM(CodeGenOpts.DebugPassManager);
+  FunctionAnalysisManager FAM(CodeGenOpts.DebugPassManager);
+  CGSCCAnalysisManager CGAM(CodeGenOpts.DebugPassManager);
+  ModuleAnalysisManager MAM(CodeGenOpts.DebugPassManager);
 
   // Register the AA manager first so that our version is the one used.
   FAM.registerPass([&] { return PB.buildDefaultAAPipeline(); });