[llvm] [BOLT][Linux] Add support for instrumentation (PR #130948)

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``````````bash
git-clang-format --diff 01cc1d13cd0c54bd4c29185b052fa5c16285dca7 1dc5ed9e1143d067d8118ac30a4520747b054164 --extensions cpp,h -- bolt/lib/Rewrite/MetadataRewriter.cpp bolt/runtime/instr_linux.cpp bolt/tools/bolt-linux-instr/bolt-linux-instr.cpp bolt/include/bolt/Core/BinaryBasicBlock.h bolt/include/bolt/Core/BinaryContext.h bolt/include/bolt/Core/BinaryFunction.h bolt/include/bolt/Core/BinarySection.h bolt/include/bolt/Core/FunctionLayout.h bolt/include/bolt/Core/Linker.h bolt/include/bolt/Core/MCPlusBuilder.h bolt/include/bolt/Core/Relocation.h bolt/include/bolt/Passes/PatchEntries.h bolt/include/bolt/Rewrite/MetadataRewriter.h bolt/include/bolt/Rewrite/MetadataRewriters.h bolt/include/bolt/Rewrite/RewriteInstance.h bolt/lib/Core/BinaryBasicBlock.cpp bolt/lib/Core/BinaryContext.cpp bolt/lib/Core/BinaryEmitter.cpp bolt/lib/Core/BinaryFunction.cpp bolt/lib/Core/BinarySection.cpp bolt/lib/Core/FunctionLayout.cpp bolt/lib/Core/JumpTable.cpp bolt/lib/Core/MCPlusBuilder.cpp bolt/lib/Core/Relocation.cpp bolt/lib/Passes/Instrumentation.cpp bolt/lib/Passes/PatchEntries.cpp bolt/lib/Rewrite/BuildIDRewriter.cpp bolt/lib/Rewrite/LinuxKernelRewriter.cpp bolt/lib/Rewrite/MachORewriteInstance.cpp bolt/lib/Rewrite/PseudoProbeRewriter.cpp bolt/lib/Rewrite/RewriteInstance.cpp bolt/lib/Rewrite/SDTRewriter.cpp bolt/lib/RuntimeLibs/InstrumentationRuntimeLibrary.cpp bolt/lib/Target/AArch64/AArch64MCPlusBuilder.cpp bolt/lib/Target/RISCV/RISCVMCPlusBuilder.cpp bolt/lib/Target/X86/X86MCPlusBuilder.cpp llvm/lib/CodeGen/CodeGenPrepare.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/bolt/runtime/instr_linux.cpp b/bolt/runtime/instr_linux.cpp
index b427698a1b..5e53374650 100644
--- a/bolt/runtime/instr_linux.cpp
+++ b/bolt/runtime/instr_linux.cpp
@@ -22,7 +22,6 @@ extern "C" {
 
 extern void (*__bolt_ind_call_counter_func_pointer)();
 extern void (*__bolt_ind_tailcall_counter_func_pointer)();
-
 }
 
 namespace {

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https://github.com/llvm/llvm-project/pull/130948