[llvm] b97ca3a - Revert "[asan] Implemented intrinsic for the custom calling convention similar used by HWASan for X86."

Kirill Stoimenov via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 24 13:22:03 PDT 2021


Author: Kirill Stoimenov
Date: 2021-08-24T13:21:20-07:00
New Revision: b97ca3aca12148bd6ddd0dd78d73003a92f8e553

URL: https://github.com/llvm/llvm-project/commit/b97ca3aca12148bd6ddd0dd78d73003a92f8e553
DIFF: https://github.com/llvm/llvm-project/commit/b97ca3aca12148bd6ddd0dd78d73003a92f8e553.diff

LOG: Revert "[asan] Implemented intrinsic for the custom calling convention similar used by HWASan for X86."

This reverts commit 9588b685c6b2d90e4b6dd68e02e6a44affd77c3f. Breaks a bunch of builds.

Reviewed By: GMNGeoffrey

Differential Revision: https://reviews.llvm.org/D108658

Added: 
    

Modified: 
    llvm/include/llvm/IR/Intrinsics.td
    llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h
    llvm/lib/Target/X86/X86AsmPrinter.cpp
    llvm/lib/Target/X86/X86AsmPrinter.h
    llvm/lib/Target/X86/X86InstrCompiler.td
    llvm/lib/Target/X86/X86MCInstLower.cpp
    llvm/lib/Target/X86/X86RegisterInfo.td
    llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
    llvm/tools/llvm-exegesis/CMakeLists.txt

Removed: 
    llvm/test/CodeGen/X86/asan-check-memaccess-add.ll
    llvm/test/CodeGen/X86/asan-check-memaccess-or.ll


################################################################################
diff  --git a/llvm/include/llvm/IR/Intrinsics.td b/llvm/include/llvm/IR/Intrinsics.td
index 9b12aea3a66fc..4487a2467662f 100644
--- a/llvm/include/llvm/IR/Intrinsics.td
+++ b/llvm/include/llvm/IR/Intrinsics.td
@@ -1339,8 +1339,8 @@ def int_donothing : DefaultAttrsIntrinsic<[], [], [IntrNoMem, IntrWillReturn]>;
 def int_sideeffect : DefaultAttrsIntrinsic<[], [], [IntrInaccessibleMemOnly, IntrWillReturn]>;
 
 // The pseudoprobe intrinsic works as a place holder to the block it probes.
-// Like the sideeffect intrinsic defined above, this intrinsic is treated by the
-// optimizer as having opaque side effects so that it won't be get rid of or moved
+// Like the sideeffect intrinsic defined above, this intrinsic is treated by the 
+// optimizer as having opaque side effects so that it won't be get rid of or moved 
 // out of the block it probes.
 def int_pseudoprobe : Intrinsic<[], [llvm_i64_ty, llvm_i64_ty, llvm_i32_ty, llvm_i64_ty],
                                     [IntrInaccessibleMemOnly, IntrWillReturn]>;
@@ -1637,9 +1637,6 @@ def int_icall_branch_funnel : DefaultAttrsIntrinsic<[], [llvm_vararg_ty], []>;
 def int_load_relative: DefaultAttrsIntrinsic<[llvm_ptr_ty], [llvm_ptr_ty, llvm_anyint_ty],
                                  [IntrReadMem, IntrArgMemOnly]>;
 
-def int_asan_check_memaccess :
-  Intrinsic<[],[llvm_ptr_ty, llvm_i32_ty], [ImmArg<ArgIndex<1>>]>;
-
 def int_hwasan_check_memaccess :
   Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty, llvm_i32_ty],
             [ImmArg<ArgIndex<2>>]>;

diff  --git a/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h b/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h
index 7ddbc8ffe491e..9e8b97c0b94f5 100644
--- a/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h
+++ b/llvm/include/llvm/Transforms/Instrumentation/AddressSanitizer.h
@@ -155,16 +155,6 @@ ModulePass *createModuleAddressSanitizerLegacyPassPass(
     bool UseOdrIndicator = true,
     AsanDtorKind DestructorKind = AsanDtorKind::Global);
 
-struct ASanAccessInfo {
-  const int32_t Packed;
-  const uint8_t AccessSizeIndex;
-  const bool IsWrite;
-  const bool CompileKernel;
-
-  explicit ASanAccessInfo(int32_t Packed);
-  ASanAccessInfo(bool IsWrite, bool CompileKernel, uint8_t AccessSizeIndex);
-};
-
 } // namespace llvm
 
 #endif

diff  --git a/llvm/lib/Target/X86/X86AsmPrinter.cpp b/llvm/lib/Target/X86/X86AsmPrinter.cpp
index 68b726fe75aad..a27645389dd4f 100644
--- a/llvm/lib/Target/X86/X86AsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86AsmPrinter.cpp
@@ -753,8 +753,6 @@ static void emitNonLazyStubs(MachineModuleInfo *MMI, MCStreamer &OutStreamer) {
 void X86AsmPrinter::emitEndOfAsmFile(Module &M) {
   const Triple &TT = TM.getTargetTriple();
 
-  emitAsanMemaccessSymbols(M);
-
   if (TT.isOSBinFormatMachO()) {
     // Mach-O uses non-lazy symbol stubs to encode per-TU information into
     // global table for symbol lookup.

diff  --git a/llvm/lib/Target/X86/X86AsmPrinter.h b/llvm/lib/Target/X86/X86AsmPrinter.h
index 694278dbca021..a3b74c8ee387f 100644
--- a/llvm/lib/Target/X86/X86AsmPrinter.h
+++ b/llvm/lib/Target/X86/X86AsmPrinter.h
@@ -23,7 +23,6 @@ class MCCodeEmitter;
 class MCStreamer;
 class X86Subtarget;
 class TargetMachine;
-struct ASanAccessInfo;
 
 class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
   const X86Subtarget *Subtarget = nullptr;
@@ -99,23 +98,6 @@ class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
 
   void LowerFENTRY_CALL(const MachineInstr &MI, X86MCInstLower &MCIL);
 
-  // Address sanitizer specific lowering for X86.
-  void LowerASAN_CHECK_MEMACCESS(const MachineInstr &MI);
-  void emitAsanMemaccessSymbols(Module &M);
-  void emitAsanMemaccessPartial(Module &M, unsigned Reg,
-                                const ASanAccessInfo &AccessInfo,
-                                MCSubtargetInfo &STI);
-  void emitAsanMemaccessFull(Module &M, unsigned Reg,
-                             const ASanAccessInfo &AccessInfo,
-                             MCSubtargetInfo &STI);
-  void emitAsanReportError(Module &M, unsigned Reg,
-                           const ASanAccessInfo &AccessInfo,
-                           MCSubtargetInfo &STI);
-
-  typedef std::tuple<unsigned /*Reg*/, uint32_t /*AccessInfo*/>
-      AsanMemaccessTuple;
-  std::map<AsanMemaccessTuple, MCSymbol *> AsanMemaccessSymbols;
-
   // Choose between emitting .seh_ directives and .cv_fpo_ directives.
   void EmitSEHInstruction(const MachineInstr *MI);
 

diff  --git a/llvm/lib/Target/X86/X86InstrCompiler.td b/llvm/lib/Target/X86/X86InstrCompiler.td
index b35e23ac80477..8771f79ca3a8b 100644
--- a/llvm/lib/Target/X86/X86InstrCompiler.td
+++ b/llvm/lib/Target/X86/X86InstrCompiler.td
@@ -260,17 +260,6 @@ let isPseudo = 1, SchedRW = [WriteSystem] in {
                             "#SEH_Epilogue", []>;
 }
 
-//===----------------------------------------------------------------------===//
-// Pseudo instructions used by address sanitizer.
-//===----------------------------------------------------------------------===//
-let
-  Defs = [R8, EFLAGS] in {
-def ASAN_CHECK_MEMACCESS : PseudoI<
-  (outs), (ins GR64NoR8:$addr, i32imm:$accessinfo),
-  [(int_asan_check_memaccess GR64NoR8:$addr, (i32 timm:$accessinfo))]>,
-  Sched<[]>;
-}
-
 //===----------------------------------------------------------------------===//
 // Pseudo instructions used by segmented stacks.
 //
@@ -971,7 +960,7 @@ multiclass ATOMIC_RMW_BINOP<bits<8> opc8, bits<8> opc, string mnemonic,
                     !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"),
                     [(set
                        GR32:$dst,
-                       (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))]>,
+                       (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))]>, 
                     OpSize32;
     def NAME#64 : RI<opc, MRMSrcMem, (outs GR64:$dst),
                      (ins GR64:$val, i64mem:$ptr),

diff  --git a/llvm/lib/Target/X86/X86MCInstLower.cpp b/llvm/lib/Target/X86/X86MCInstLower.cpp
index 422c973a77543..384c54aa4eb62 100644
--- a/llvm/lib/Target/X86/X86MCInstLower.cpp
+++ b/llvm/lib/Target/X86/X86MCInstLower.cpp
@@ -43,11 +43,8 @@
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCSymbolELF.h"
-#include "llvm/Support/TargetRegistry.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Transforms/Instrumentation/AddressSanitizer.h"
-#include "llvm/Transforms/Instrumentation/AddressSanitizerCommon.h"
 
 using namespace llvm;
 
@@ -1326,242 +1323,6 @@ void X86AsmPrinter::LowerFENTRY_CALL(const MachineInstr &MI,
           .addExpr(Op));
 }
 
-void X86AsmPrinter::LowerASAN_CHECK_MEMACCESS(const MachineInstr &MI) {
-  // FIXME: Make this work on non-ELF.
-  if (!TM.getTargetTriple().isOSBinFormatELF()) {
-    report_fatal_error("llvm.asan.check.memaccess only supported on ELF");
-    return;
-  }
-
-  unsigned Reg = MI.getOperand(0).getReg().id();
-  ASanAccessInfo AccessInfo(MI.getOperand(1).getImm());
-
-  MCSymbol *&Sym = AsanMemaccessSymbols[{Reg, AccessInfo.Packed}];
-  if (!Sym) {
-    std::string Name = AccessInfo.IsWrite ? "store" : "load";
-    std::string SymName = "__asan_check_" + Name +
-                          utostr(1 << AccessInfo.AccessSizeIndex) + "_rn" +
-                          utostr(Reg);
-    Sym = OutContext.getOrCreateSymbol(SymName);
-  }
-
-  EmitAndCountInstruction(
-      MCInstBuilder(X86::CALL64pcrel32)
-          .addExpr(MCSymbolRefExpr::create(Sym, OutContext)));
-}
-
-void X86AsmPrinter::emitAsanMemaccessPartial(Module &M, unsigned Reg,
-                                             const ASanAccessInfo &AccessInfo,
-                                             MCSubtargetInfo &STI) {
-  assert(AccessInfo.AccessSizeIndex == 0 || AccessInfo.AccessSizeIndex == 1 ||
-         AccessInfo.AccessSizeIndex == 2);
-  assert(Reg != X86::R8);
-
-  uint64_t ShadowBase;
-  int MappingScale;
-  bool OrShadowOffset;
-  getAddressSanitizerParams(
-      Triple(M.getTargetTriple()), M.getDataLayout().getPointerSizeInBits(),
-      AccessInfo.CompileKernel, &ShadowBase, &MappingScale, &OrShadowOffset);
-
-  OutStreamer->emitInstruction(
-      MCInstBuilder(X86::MOV64rr).addReg(X86::R8).addReg(X86::NoRegister + Reg),
-      STI);
-  OutStreamer->emitInstruction(MCInstBuilder(X86::SHR64ri)
-                                   .addReg(X86::R8)
-                                   .addReg(X86::NoRegister)
-                                   .addImm(MappingScale),
-                               STI);
-  if (OrShadowOffset) {
-    OutStreamer->emitInstruction(MCInstBuilder(X86::OR64ri32)
-                                     .addReg(X86::NoRegister)
-                                     .addReg(X86::R8)
-                                     .addImm(ShadowBase),
-                                 STI);
-    OutStreamer->emitInstruction(MCInstBuilder(X86::MOV8rm)
-                                     .addReg(X86::R8B)
-                                     .addReg(X86::R8)
-                                     .addImm(1)
-                                     .addReg(X86::NoRegister)
-                                     .addImm(0)
-                                     .addReg(X86::NoRegister),
-                                 STI);
-    OutStreamer->emitInstruction(
-        MCInstBuilder(X86::TEST8rr).addReg(X86::R8B).addReg(X86::R8B), STI);
-  } else {
-    OutStreamer->emitInstruction(MCInstBuilder(X86::MOVSX32rm8)
-                                     .addReg(X86::R8D)
-                                     .addReg(X86::R8)
-                                     .addImm(1)
-                                     .addReg(X86::NoRegister)
-                                     .addImm(ShadowBase)
-                                     .addReg(X86::NoRegister),
-                                 STI);
-    OutStreamer->emitInstruction(
-        MCInstBuilder(X86::TEST32rr).addReg(X86::R8D).addReg(X86::R8D), STI);
-  }
-  MCSymbol *AdditionalCheck = OutContext.createTempSymbol();
-  OutStreamer->emitInstruction(
-      MCInstBuilder(X86::JCC_1)
-          .addExpr(MCSymbolRefExpr::create(AdditionalCheck, OutContext))
-          .addImm(X86::COND_NE),
-      STI);
-  MCSymbol *ReturnSym = OutContext.createTempSymbol();
-  OutStreamer->emitLabel(ReturnSym);
-  OutStreamer->emitInstruction(MCInstBuilder(getRetOpcode(*Subtarget)), STI);
-
-  // Shadow byte is non-zero so we need to perform additional checks.
-  OutStreamer->emitLabel(AdditionalCheck);
-  OutStreamer->emitInstruction(MCInstBuilder(X86::PUSH64r).addReg(X86::RCX),
-                               STI);
-  OutStreamer->emitInstruction(MCInstBuilder(X86::MOV64rr)
-                                   .addReg(X86::RCX)
-                                   .addReg(X86::NoRegister + Reg),
-                               STI);
-  const size_t Granularity = 1ULL << MappingScale;
-  OutStreamer->emitInstruction(MCInstBuilder(X86::AND32ri8)
-                                   .addReg(X86::NoRegister)
-                                   .addReg(X86::ECX)
-                                   .addImm(Granularity - 1),
-                               STI);
-  if (AccessInfo.AccessSizeIndex == 1) {
-    OutStreamer->emitInstruction(MCInstBuilder(X86::ADD32ri8)
-                                     .addReg(X86::NoRegister)
-                                     .addReg(X86::ECX)
-                                     .addImm(1),
-                                 STI);
-  } else if (AccessInfo.AccessSizeIndex == 2) {
-    OutStreamer->emitInstruction(MCInstBuilder(X86::ADD32ri8)
-                                     .addReg(X86::NoRegister)
-                                     .addReg(X86::ECX)
-                                     .addImm(3),
-                                 STI);
-  }
-
-  OutStreamer->emitInstruction(
-      MCInstBuilder(X86::CMP32rr).addReg(X86::ECX).addReg(X86::R8D).addImm(1),
-      STI);
-  OutStreamer->emitInstruction(MCInstBuilder(X86::POP64r).addReg(X86::RCX),
-                               STI);
-  OutStreamer->emitInstruction(
-      MCInstBuilder(X86::JCC_1)
-          .addExpr(MCSymbolRefExpr::create(ReturnSym, OutContext))
-          .addImm(X86::COND_L),
-      STI);
-
-  emitAsanReportError(M, Reg, AccessInfo, STI);
-}
-
-void X86AsmPrinter::emitAsanMemaccessFull(Module &M, unsigned Reg,
-                                          const ASanAccessInfo &AccessInfo,
-                                          MCSubtargetInfo &STI) {
-  assert(AccessInfo.AccessSizeIndex == 3 || AccessInfo.AccessSizeIndex == 4);
-  assert(Reg != X86::R8);
-
-  uint64_t ShadowBase;
-  int MappingScale;
-  bool OrShadowOffset;
-  getAddressSanitizerParams(
-      Triple(M.getTargetTriple()), M.getDataLayout().getPointerSizeInBits(),
-      AccessInfo.CompileKernel, &ShadowBase, &MappingScale, &OrShadowOffset);
-
-  OutStreamer->emitInstruction(
-      MCInstBuilder(X86::MOV64rr).addReg(X86::R8).addReg(X86::NoRegister + Reg),
-      STI);
-  OutStreamer->emitInstruction(MCInstBuilder(X86::SHR64ri)
-                                   .addReg(X86::R8)
-                                   .addReg(X86::R8)
-                                   .addImm(MappingScale),
-                               STI);
-  if (OrShadowOffset) {
-    OutStreamer->emitInstruction(MCInstBuilder(X86::OR64ri32)
-                                     .addReg(X86::R8)
-                                     .addReg(X86::R8)
-                                     .addImm(ShadowBase),
-                                 STI);
-    auto OpCode = AccessInfo.AccessSizeIndex == 3 ? X86::CMP8mi : X86::CMP16mi8;
-    OutStreamer->emitInstruction(MCInstBuilder(OpCode)
-                                     .addReg(X86::R8)
-                                     .addImm(1)
-                                     .addReg(X86::NoRegister)
-                                     .addImm(0)
-                                     .addReg(X86::NoRegister)
-                                     .addImm(0),
-                                 STI);
-  } else {
-    auto OpCode = AccessInfo.AccessSizeIndex == 3 ? X86::CMP8mi : X86::CMP16mi8;
-    OutStreamer->emitInstruction(MCInstBuilder(OpCode)
-                                     .addReg(X86::R8)
-                                     .addImm(1)
-                                     .addReg(X86::NoRegister)
-                                     .addImm(ShadowBase)
-                                     .addReg(X86::NoRegister)
-                                     .addImm(0),
-                                 STI);
-  }
-  MCSymbol *ReportCode = OutContext.createTempSymbol();
-  OutStreamer->emitInstruction(
-      MCInstBuilder(X86::JCC_1)
-          .addExpr(MCSymbolRefExpr::create(ReportCode, OutContext))
-          .addImm(X86::COND_NE),
-      STI);
-  MCSymbol *ReturnSym = OutContext.createTempSymbol();
-  OutStreamer->emitLabel(ReturnSym);
-  OutStreamer->emitInstruction(MCInstBuilder(getRetOpcode(*Subtarget)), STI);
-
-  OutStreamer->emitLabel(ReportCode);
-  emitAsanReportError(M, Reg, AccessInfo, STI);
-}
-
-void X86AsmPrinter::emitAsanReportError(Module &M, unsigned Reg,
-                                        const ASanAccessInfo &AccessInfo,
-                                        MCSubtargetInfo &STI) {
-  std::string Name = AccessInfo.IsWrite ? "store" : "load";
-  MCSymbol *ReportError = OutContext.getOrCreateSymbol(
-      "__asan_report_" + Name + utostr(1 << AccessInfo.AccessSizeIndex));
-  OutStreamer->emitInstruction(MCInstBuilder(X86::MOV64rr)
-                                   .addReg(X86::RDI)
-                                   .addReg(X86::NoRegister + Reg),
-                               STI);
-  OutStreamer->emitInstruction(
-      MCInstBuilder(X86::JMP_1)
-          .addExpr(MCSymbolRefExpr::create(ReportError, OutContext)),
-      STI);
-}
-
-void X86AsmPrinter::emitAsanMemaccessSymbols(Module &M) {
-  if (AsanMemaccessSymbols.empty())
-    return;
-
-  const Triple &TT = TM.getTargetTriple();
-  assert(TT.isOSBinFormatELF());
-  std::unique_ptr<MCSubtargetInfo> STI(
-      TM.getTarget().createMCSubtargetInfo(TT.str(), "", ""));
-  assert(STI && "Unable to create subtarget info");
-
-  for (auto &P : AsanMemaccessSymbols) {
-    MCSymbol *Sym = P.second;
-    OutStreamer->SwitchSection(OutContext.getELFSection(
-        ".text.hot", ELF::SHT_PROGBITS,
-        ELF::SHF_EXECINSTR | ELF::SHF_ALLOC | ELF::SHF_GROUP, 0, Sym->getName(),
-        /*IsComdat=*/true));
-
-    OutStreamer->emitSymbolAttribute(Sym, MCSA_ELF_TypeFunction);
-    OutStreamer->emitSymbolAttribute(Sym, MCSA_Weak);
-    OutStreamer->emitSymbolAttribute(Sym, MCSA_Hidden);
-    OutStreamer->emitLabel(Sym);
-
-    unsigned Reg = std::get<0>(P.first);
-    ASanAccessInfo AccessInfo(std::get<1>(P.first));
-
-    if (AccessInfo.AccessSizeIndex < 3) {
-      emitAsanMemaccessPartial(M, Reg, AccessInfo, *STI);
-    } else {
-      emitAsanMemaccessFull(M, Reg, AccessInfo, *STI);
-    }
-  }
-}
-
 void X86AsmPrinter::LowerPATCHABLE_OP(const MachineInstr &MI,
                                       X86MCInstLower &MCIL) {
   // PATCHABLE_OP minsize, opcode, operands
@@ -2802,9 +2563,6 @@ void X86AsmPrinter::emitInstruction(const MachineInstr *MI) {
     EmitAndCountInstruction(MCInstBuilder(getRetOpcode(*Subtarget)));
     return;
 
-  case X86::ASAN_CHECK_MEMACCESS:
-    return LowerASAN_CHECK_MEMACCESS(*MI);
-
   case X86::MORESTACK_RET_RESTORE_R10:
     // Return, then restore R10.
     EmitAndCountInstruction(MCInstBuilder(getRetOpcode(*Subtarget)));

diff  --git a/llvm/lib/Target/X86/X86RegisterInfo.td b/llvm/lib/Target/X86/X86RegisterInfo.td
index ad15a54e64934..04ba3fef935a9 100644
--- a/llvm/lib/Target/X86/X86RegisterInfo.td
+++ b/llvm/lib/Target/X86/X86RegisterInfo.td
@@ -436,12 +436,6 @@ def GR64 : RegisterClass<"X86", [i64], 64,
                          (add RAX, RCX, RDX, RSI, RDI, R8, R9, R10, R11,
                               RBX, R14, R15, R12, R13, RBP, RSP, RIP)>;
 
-// GR64 - 64-bit GPRs without R8 and RIP. Could be used when emitting code for
-// intrinsics, which use implict input registers.
-def GR64NoR8 : RegisterClass<"X86", [i64], 64,
-                              (add RAX, RCX, RDX, RSI, RDI, R9, R10, R11,
-                                   RBX, R14, R15, R12, R13, RBP, RSP)>;
-
 // Segment registers for use by MOV instructions (and others) that have a
 //   segment register as one operand.  Always contain a 16-bit segment
 //   descriptor.

diff  --git a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index 480bb084f0986..d03538a76244e 100644
--- a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -178,14 +178,6 @@ static const size_t kNumberOfAccessSizes = 5;
 
 static const unsigned kAllocaRzSize = 32;
 
-// ASanAccessInfo implementation constants.
-constexpr size_t kCompileKernelShift = 0;
-constexpr size_t kCompileKernelMask = 0x1;
-constexpr size_t kAccessSizeIndexShift = 1;
-constexpr size_t kAccessSizeIndexMask = 0xf;
-constexpr size_t kIsWriteShift = 5;
-constexpr size_t kIsWriteMask = 0x1;
-
 // Command-line flags.
 
 static cl::opt<bool> ClEnableKasan(
@@ -576,21 +568,6 @@ void getAddressSanitizerParams(const Triple &TargetTriple, int LongSize,
   *MappingScale = Mapping.Scale;
   *OrShadowOffset = Mapping.OrShadowOffset;
 }
-
-ASanAccessInfo::ASanAccessInfo(int32_t Packed)
-    : Packed(Packed),
-      AccessSizeIndex((Packed >> kAccessSizeIndexShift) & kAccessSizeIndexMask),
-      IsWrite((Packed >> kIsWriteShift) & kIsWriteMask),
-      CompileKernel((Packed >> kCompileKernelShift) & kCompileKernelMask) {}
-
-ASanAccessInfo::ASanAccessInfo(bool IsWrite, bool CompileKernel,
-                               uint8_t AccessSizeIndex)
-    : Packed((IsWrite << kIsWriteShift) +
-             (CompileKernel << kCompileKernelShift) +
-             (AccessSizeIndex << kAccessSizeIndexShift)),
-      AccessSizeIndex(AccessSizeIndex), IsWrite(IsWrite),
-      CompileKernel(CompileKernel) {}
-
 } // namespace llvm
 
 static uint64_t getRedzoneSizeForScale(int MappingScale) {

diff  --git a/llvm/test/CodeGen/X86/asan-check-memaccess-add.ll b/llvm/test/CodeGen/X86/asan-check-memaccess-add.ll
deleted file mode 100644
index 04d45d4e223ec..0000000000000
--- a/llvm/test/CodeGen/X86/asan-check-memaccess-add.ll
+++ /dev/null
@@ -1,243 +0,0 @@
-; RUN: llc < %s | FileCheck %s
-
-target triple = "x86_64-unknown-linux-gnu"
-
-define void @load1(i8* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load1_rn[[RN1:.*]]
-; CHECK:              callq   __asan_check_store1_rn[[RN1]]
-; CHECK-NEXT:         retq
-  call void @llvm.asan.check.memaccess(i8* %x, i32 0)
-  call void @llvm.asan.check.memaccess(i8* %x, i32 32)
-  ret void
-}
-
-define void @load2(i16* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load2_rn[[RN2:.*]]
-; CHECK:              callq   __asan_check_store2_rn[[RN2]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i16* %x to i64
-  %2 = bitcast i16* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 2)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 34)
-  ret void
-}
-
-define void @load4(i32* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load4_rn[[RN4:.*]]
-; CHECK:              callq   __asan_check_store4_rn[[RN4]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i32* %x to i64
-  %2 = bitcast i32* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 4)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 36)
-  ret void
-}
-define void @load8(i64* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load8_rn[[RN8:.*]]
-; CHECK:              callq   __asan_check_store8_rn[[RN8]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i64* %x to i64
-  %2 = bitcast i64* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 6)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 38)
-  ret void
-}
-
-define void @load16(i128* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load16_rn[[RN16:.*]]
-; CHECK:              callq   __asan_check_store16_rn[[RN16]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i128* %x to i64
-  %2 = bitcast i128* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 8)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 40)
-  ret void
-}
-
-; CHECK:              .type   __asan_check_load1_rn[[RN1]], at function
-; CHECK-NEXT:         .weak   __asan_check_load1_rn[[RN1]]
-; CHECK-NEXT:         .hidden __asan_check_load1_rn[[RN1]]
-; CHECK-NEXT: __asan_check_load1_rn[[RN1]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         movsbl  2147450880(%r8), %r8d
-; CHECK-NEXT:         testl   %r8d, %r8d
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load1
-
-; CHECK:              .type   __asan_check_load2_rn[[RN2]], at function
-; CHECK-NEXT:         .weak   __asan_check_load2_rn[[RN2]]
-; CHECK-NEXT:         .hidden __asan_check_load2_rn[[RN2]]
-; CHECK-NEXT: __asan_check_load2_rn[[RN2]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         movsbl  2147450880(%r8), %r8d
-; CHECK-NEXT:         testl   %r8d, %r8d
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $1, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load2
-
-; CHECK:              .type   __asan_check_load4_rn[[RN4]], at function
-; CHECK-NEXT:         .weak   __asan_check_load4_rn[[RN4]]
-; CHECK-NEXT:         .hidden __asan_check_load4_rn[[RN4]]
-; CHECK-NEXT: __asan_check_load4_rn[[RN4]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         movsbl  2147450880(%r8), %r8d
-; CHECK-NEXT:         testl   %r8d, %r8d
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $3, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load4
-
-; CHECK:              .type   __asan_check_load8_rn[[RN8]], at function
-; CHECK-NEXT:         .weak   __asan_check_load8_rn[[RN8]]
-; CHECK-NEXT:         .hidden __asan_check_load8_rn[[RN8]]
-; CHECK-NEXT: __asan_check_load8_rn[[RN8]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         cmpb    $0, 2147450880(%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load8
-
-; CHECK:              .type   __asan_check_load16_rn[[RN16]], at function
-; CHECK-NEXT:         .weak   __asan_check_load16_rn[[RN16]]
-; CHECK-NEXT:         .hidden __asan_check_load16_rn[[RN16]]
-; CHECK-NEXT: __asan_check_load16_rn[[RN16]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         cmpw    $0, 2147450880(%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load16
-
-; CHECK:              .type   __asan_check_store1_rn[[RN1]], at function
-; CHECK-NEXT:         .weak   __asan_check_store1_rn[[RN1]]
-; CHECK-NEXT:         .hidden __asan_check_store1_rn[[RN1]]
-; CHECK-NEXT: __asan_check_store1_rn[[RN1]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         movsbl  2147450880(%r8), %r8d
-; CHECK-NEXT:         testl   %r8d, %r8d
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store1
-
-; CHECK:              .type   __asan_check_store2_rn[[RN2]], at function
-; CHECK-NEXT:         .weak   __asan_check_store2_rn[[RN2]]
-; CHECK-NEXT:         .hidden __asan_check_store2_rn[[RN2]]
-; CHECK-NEXT: __asan_check_store2_rn[[RN2]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         movsbl  2147450880(%r8), %r8d
-; CHECK-NEXT:         testl   %r8d, %r8d
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $1, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store2
-
-; CHECK:              .type   __asan_check_store4_rn[[RN4]], at function
-; CHECK-NEXT:         .weak   __asan_check_store4_rn[[RN4]]
-; CHECK-NEXT:         .hidden __asan_check_store4_rn[[RN4]]
-; CHECK-NEXT: __asan_check_store4_rn[[RN4]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         movsbl  2147450880(%r8), %r8d
-; CHECK-NEXT:         testl   %r8d, %r8d
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $3, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store4
-
-; CHECK:              .type   __asan_check_store8_rn[[RN8]], at function
-; CHECK-NEXT:         .weak   __asan_check_store8_rn[[RN8]]
-; CHECK-NEXT:         .hidden __asan_check_store8_rn[[RN8]]
-; CHECK-NEXT: __asan_check_store8_rn[[RN8]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         cmpb    $0, 2147450880(%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store8
-
-; CHECK:              .type   __asan_check_store16_rn[[RN16]], at function
-; CHECK-NEXT:         .weak   __asan_check_store16_rn[[RN16]]
-; CHECK-NEXT:         .hidden __asan_check_store16_rn[[RN16]]
-; CHECK-NEXT: __asan_check_store16_rn[[RN16]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         cmpw    $0, 2147450880(%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store16
-
-declare void @llvm.asan.check.memaccess(i8*, i32 immarg)

diff  --git a/llvm/test/CodeGen/X86/asan-check-memaccess-or.ll b/llvm/test/CodeGen/X86/asan-check-memaccess-or.ll
deleted file mode 100644
index e3f7eb3e9926f..0000000000000
--- a/llvm/test/CodeGen/X86/asan-check-memaccess-or.ll
+++ /dev/null
@@ -1,253 +0,0 @@
-; RUN: llc < %s | FileCheck %s
-
-target triple = "x86_64-pc-win"
-
-define void @load1(i8* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load1_rn[[RN1:.*]]
-; CHECK:              callq   __asan_check_store1_rn[[RN1]]
-; CHECK-NEXT:         retq
-  call void @llvm.asan.check.memaccess(i8* %x, i32 0)
-  call void @llvm.asan.check.memaccess(i8* %x, i32 32)
-  ret void
-}
-
-define void @load2(i16* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load2_rn[[RN2:.*]]
-; CHECK:              callq   __asan_check_store2_rn[[RN2]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i16* %x to i64
-  %2 = bitcast i16* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 2)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 34)
-  ret void
-}
-
-define void @load4(i32* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load4_rn[[RN4:.*]]
-; CHECK:              callq   __asan_check_store4_rn[[RN4]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i32* %x to i64
-  %2 = bitcast i32* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 4)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 36)
-  ret void
-}
-define void @load8(i64* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load8_rn[[RN8:.*]]
-; CHECK:              callq   __asan_check_store8_rn[[RN8]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i64* %x to i64
-  %2 = bitcast i64* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 6)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 38)
-  ret void
-}
-
-define void @load16(i128* nocapture readonly %x) {
-; CHECK:              callq   __asan_check_load16_rn[[RN16:.*]]
-; CHECK:              callq   __asan_check_store16_rn[[RN16]]
-; CHECK-NEXT:         retq
-  %1 = ptrtoint i128* %x to i64
-  %2 = bitcast i128* %x to i8*
-  call void @llvm.asan.check.memaccess(i8* %2, i32 8)
-  call void @llvm.asan.check.memaccess(i8* %2, i32 40)
-  ret void
-}
-
-; CHECK:              .type   __asan_check_load1_rn[[RN1]], at function
-; CHECK-NEXT:         .weak   __asan_check_load1_rn[[RN1]]
-; CHECK-NEXT:         .hidden __asan_check_load1_rn[[RN1]]
-; CHECK-NEXT: __asan_check_load1_rn[[RN1]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8{{.*}}
-; CHECK-NEXT:         movb    (%r8), %r8b
-; CHECK-NEXT:         testb   %r8b, %r8b
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load1
-
-; CHECK:              .type   __asan_check_load2_rn[[RN2]], at function
-; CHECK-NEXT:         .weak   __asan_check_load2_rn[[RN2]]
-; CHECK-NEXT:         .hidden __asan_check_load2_rn[[RN2]]
-; CHECK-NEXT: __asan_check_load2_rn[[RN2]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8{{.*}}
-; CHECK-NEXT:         movb    (%r8), %r8b
-; CHECK-NEXT:         testb   %r8b, %r8b
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $1, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load2
-
-; CHECK:              .type   __asan_check_load4_rn[[RN4]], at function
-; CHECK-NEXT:         .weak   __asan_check_load4_rn[[RN4]]
-; CHECK-NEXT:         .hidden __asan_check_load4_rn[[RN4]]
-; CHECK-NEXT: __asan_check_load4_rn[[RN4]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8{{.*}}
-; CHECK-NEXT:         movb    (%r8), %r8b
-; CHECK-NEXT:         testb   %r8b, %r8b
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $3, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load4
-
-; CHECK:              .type   __asan_check_load8_rn[[RN8]], at function
-; CHECK-NEXT:         .weak   __asan_check_load8_rn[[RN8]]
-; CHECK-NEXT:         .hidden __asan_check_load8_rn[[RN8]]
-; CHECK-NEXT: __asan_check_load8_rn[[RN8]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8{{.*}}
-; CHECK-NEXT:         cmpb    $0, (%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load8
-
-; CHECK:              .type   __asan_check_load16_rn[[RN16]], at function
-; CHECK-NEXT:         .weak   __asan_check_load16_rn[[RN16]]
-; CHECK-NEXT:         .hidden __asan_check_load16_rn[[RN16]]
-; CHECK-NEXT: __asan_check_load16_rn[[RN16]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8{{.*}}
-; CHECK-NEXT:         cmpw    $0, (%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_load16
-
-; CHECK:              .type   __asan_check_store1_rn[[RN1]], at function
-; CHECK-NEXT:         .weak   __asan_check_store1_rn[[RN1]]
-; CHECK-NEXT:         .hidden __asan_check_store1_rn[[RN1]]
-; CHECK-NEXT: __asan_check_store1_rn[[RN1]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8
-; CHECK-NEXT:         movb    (%r8), %r8b
-; CHECK-NEXT:         testb   %r8b, %r8b
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store1
-
-; CHECK:              .type   __asan_check_store2_rn[[RN2]], at function
-; CHECK-NEXT:         .weak   __asan_check_store2_rn[[RN2]]
-; CHECK-NEXT:         .hidden __asan_check_store2_rn[[RN2]]
-; CHECK-NEXT: __asan_check_store2_rn[[RN2]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8
-; CHECK-NEXT:         movb    (%r8), %r8b
-; CHECK-NEXT:         testb   %r8b, %r8b
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $1, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store2
-
-; CHECK:              .type   __asan_check_store4_rn[[RN4]], at function
-; CHECK-NEXT:         .weak   __asan_check_store4_rn[[RN4]]
-; CHECK-NEXT:         .hidden __asan_check_store4_rn[[RN4]]
-; CHECK-NEXT: __asan_check_store4_rn[[RN4]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8
-; CHECK-NEXT:         movb    (%r8), %r8b
-; CHECK-NEXT:         testb   %r8b, %r8b
-; CHECK-NEXT:         jne     [[EXTRA:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[EXTRA]]:
-; CHECK-NEXT:         pushq   %rcx
-; CHECK-NEXT:         movq    [[REG]], %rcx
-; CHECK-NEXT:         andl    $7, %ecx
-; CHECK-NEXT:         addl    $3, %ecx
-; CHECK-NEXT:         cmpl    %r8d, %ecx
-; CHECK-NEXT:         popq    %rcx
-; CHECK-NEXT:         jl      [[RET]]
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store4
-
-; CHECK:              .type   __asan_check_store8_rn[[RN8]], at function
-; CHECK-NEXT:         .weak   __asan_check_store8_rn[[RN8]]
-; CHECK-NEXT:         .hidden __asan_check_store8_rn[[RN8]]
-; CHECK-NEXT: __asan_check_store8_rn[[RN8]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8{{.*}}
-; CHECK-NEXT:         cmpb    $0, (%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store8
-
-; CHECK:              .type   __asan_check_store16_rn[[RN16]], at function
-; CHECK-NEXT:         .weak   __asan_check_store16_rn[[RN16]]
-; CHECK-NEXT:         .hidden __asan_check_store16_rn[[RN16]]
-; CHECK-NEXT: __asan_check_store16_rn[[RN16]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %r8
-; CHECK-NEXT:         shrq    $3, %r8
-; CHECK-NEXT:         orq     $17592186044416, %r8{{.*}}
-; CHECK-NEXT:         cmpw    $0, (%r8)
-; CHECK-NEXT:         jne     [[FAIL:.*]]
-; CHECK-NEXT: [[RET:.*]]:
-; CHECK-NEXT:         retq
-; CHECK-NEXT: [[FAIL]]:
-; CHECK-NEXT:         movq    [[REG:.*]], %rdi
-; CHECK-NEXT:         jmp     __asan_report_store16
-
-declare void @llvm.asan.check.memaccess(i8*, i32 immarg)

diff  --git a/llvm/tools/llvm-exegesis/CMakeLists.txt b/llvm/tools/llvm-exegesis/CMakeLists.txt
index db7d4b9dac10c..f1e17844c4860 100644
--- a/llvm/tools/llvm-exegesis/CMakeLists.txt
+++ b/llvm/tools/llvm-exegesis/CMakeLists.txt
@@ -1,5 +1,4 @@
 set(LLVM_LINK_COMPONENTS
-  Instrumentation
   MC
   MCParser
   Support


        


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