aeubanks accepted this revision.
aeubanks added a comment.

lgtm with comments



================
Comment at: clang/test/Misc/time-passes.c:2
+// Check that legacy pass manager could only use -ftime-report
+// RUN: %clang_cc1 -emit-obj -O1 -ftime-report %s -o /dev/null 2>&1 | 
FileCheck %s --check-prefixes=TIME,LPM
+// RUN: not %clang_cc1 -emit-obj -O1 -ftime-report=per-pass %s -o /dev/null 
2>&1 | FileCheck %s --check-prefixes=ERROR
----------------
this probably needs -fno-experimental-new-pass-manager so that when the NPM is 
the default this doesn't fail


================
Comment at: llvm/lib/IR/PassTimingInfo.cpp:47
+    cl::desc("Time each pass run, printing elapsed time for each run on exit"),
+    cl::callback([](const bool &) { TimePassesIsEnabled = true; }));
+
----------------
is this necessary?


================
Comment at: llvm/test/Other/time-passes.ll:55
 ; TIME-NEW-DAG:      TargetLibraryAnalysis
+; TIME-NEW-PER-PASS-DAG:   InstCombinePass
+; TIME-NEW-PER-PASS-DAG:   LICMPass
----------------
check that this doesn't appear multiple times under TIME-NEW-PER-PASS?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92436/new/

https://reviews.llvm.org/D92436

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