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[InstrProf] Merge COFF .lprof* and .lcovmap sections into .data/.rdata 

There is no reason for these sections to remain separate in the final
DLL or EXE.

I have not yet added a InstrProfilingPlatformWindows.c for these, since
avoiding dynamic profile data registration is a larger project for
later.

llvm-svn: 353221
This commit is contained in:
Reid Kleckner 2019-02-05 21:26:31 +00:00
parent 0feb7b76e2
commit 0a142346b3
1 changed files with 9 additions and 0 deletions
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9
compiler-rt/lib/profile/InstrProfilingPlatformOther.c
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@ -91,4 +91,13 @@ ValueProfNode *__llvm_profile_end_vnodes(void) { return 0; }
COMPILER_RT_VISIBILITY ValueProfNode *CurrentVNode = 0;
COMPILER_RT_VISIBILITY ValueProfNode *EndVNode = 0;
#if defined(_WIN32)
// Put read-write sections in .data.
#pragma comment(linker, "/MERGE:.lprfc=.data")
#pragma comment(linker, "/MERGE:.lprfd=.data")
// Put read-write sections in .rdata.
#pragma comment(linker, "/MERGE:.lcovmap=.rdata")
#pragma comment(linker, "/MERGE:.lprfn=.rdata")
#endif
#endif