Change debug-info-for-profiling from a TargetOption to a function attribute.

Summary: LTO requires the debug-info-for-profiling to be a function attribute.

Reviewers: echristo, mehdi_amini, dblaikie, probinson, aprantl

Reviewed By: mehdi_amini, dblaikie, aprantl

Subscribers: aprantl, probinson, ahatanak, llvm-commits, mehdi_amini

Differential Revision: https://reviews.llvm.org/D29203

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293833 91177308-0d34-0410-b5e6-96231b3b80d8

test/Bitcode/upgrade-debug-info-for-profiling.ll

@@ -0,0 +1,10 @@
+; RUN: llvm-dis < %s.bc | FileCheck %s
+; RUN: verify-uselistorder < %s.bc
+
+!llvm.module.flags = !{!0}
+!0 = !{i32 2, !"Debug Info Version", i32 3}
+
+!llvm.dbg.cu = !{!1}
+; CHECK: DICompileUnit(language: DW_LANG_C99, file: !{{[0-9]+}}, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
+!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, emissionKind: FullDebug)
+!2 = !DIFile(filename: "foo.c", directory: "/path/to/dir")