[PATCH] D21823: [Driver] Add flags for enabling both types of PGO Instrumentation

[Jake VanAdrighem via cfe-commits]

jakev added inline comments.

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Comment at: test/Profile/gcc-flag-compatibility.c:10
@@ -9,3 +9,3 @@
 
-// Check that -fprofile-generate uses the runtime default profile file.
+// Check that -fprofile-generate overrides the default profraw.
 // RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate | FileCheck -check-prefix=PROFILE-GEN %s
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davidxl wrote:
> Please add a FIXME here. I noticed that there is a bug in IR PGO implementation that -fprofile-generate still invokes overrider api in instrumentation which is unnecessary.
I actually have a patch that fixes this behavior. I can post it once this patch has landed.


Repository:
  rL LLVM

https://reviews.llvm.org/D21823