3 files changed, 0 insertions, 44 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index f20768ab77a5..8ec9cb02813c 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -164,9 +164,6 @@ bool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   // Emit the rest of the function body.
   EmitFunctionBody();
 
-  // Emit the XRay table for this function.
-  EmitXRayTable();
-
   // If we need V4T thumb mode Register Indirect Jump pads, emit them.
   // These are created per function, rather than per TU, since it's
   // relatively easy to exceed the thumb branch range within a TU.
diff --git a/lib/Target/ARM/ARMAsmPrinter.h b/lib/Target/ARM/ARMAsmPrinter.h
index ce0b04d56d9e..93fed10eb2d0 100644
--- a/lib/Target/ARM/ARMAsmPrinter.h
+++ b/lib/Target/ARM/ARMAsmPrinter.h
@@ -113,9 +113,6 @@ public:
   void LowerPATCHABLE_FUNCTION_ENTER(const MachineInstr &MI);
   void LowerPATCHABLE_FUNCTION_EXIT(const MachineInstr &MI);
   void LowerPATCHABLE_TAIL_CALL(const MachineInstr &MI);
-  // Helper function that emits the XRay sleds we've collected for a particular
-  // function.
-  void EmitXRayTable();
 
 private:
   void EmitSled(const MachineInstr &MI, SledKind Kind);
diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index 293a527b09e8..07044b9697b6 100644
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -22,9 +22,6 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSymbolELF.h"
-#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCInstBuilder.h"
 #include "llvm/MC/MCStreamer.h"
 using namespace llvm;
@@ -226,38 +223,3 @@ void ARMAsmPrinter::LowerPATCHABLE_TAIL_CALL(const MachineInstr &MI)
 {
   EmitSled(MI, SledKind::TAIL_CALL);
 }
-
-void ARMAsmPrinter::EmitXRayTable()
-{
-  if (Sleds.empty())
-    return;
-
-  MCSection *Section = nullptr;
-  if (Subtarget->isTargetELF()) {
-    Section = OutContext.getELFSection("xray_instr_map", ELF::SHT_PROGBITS,
-                                       ELF::SHF_ALLOC | ELF::SHF_GROUP |
-                                           ELF::SHF_MERGE,
-                                       0, CurrentFnSym->getName());
-  } else if (Subtarget->isTargetMachO()) {
-    Section = OutContext.getMachOSection("__DATA", "xray_instr_map", 0,
-                                         SectionKind::getReadOnlyWithRel());
-  } else {
-    llvm_unreachable("Unsupported target");
-  }
-
-  auto PrevSection = OutStreamer->getCurrentSectionOnly();
-  OutStreamer->SwitchSection(Section);
-  for (const auto &Sled : Sleds) {
-    OutStreamer->EmitSymbolValue(Sled.Sled, 4);
-    OutStreamer->EmitSymbolValue(CurrentFnSym, 4);
-    auto Kind = static_cast<uint8_t>(Sled.Kind);
-    OutStreamer->EmitBytes(
-      StringRef(reinterpret_cast<const char *>(&Kind), 1));
-    OutStreamer->EmitBytes(
-      StringRef(reinterpret_cast<const char *>(&Sled.AlwaysInstrument), 1));
-    OutStreamer->EmitZeros(6);
-  }
-  OutStreamer->SwitchSection(PrevSection);
-
-  Sleds.clear();
-}