Revert r343192 as an ubsan build is currently failing

llvm-svn: 343235

2 files changed, 0 insertions, 16 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index 2e377127302..f2d7ea9ba3e 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -622,12 +622,6 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF,
   if (ShouldSignReturnAddress(MF)) {
     BuildMI(MBB, MBBI, DL, TII->get(AArch64::PACIASP))
         .setMIFlag(MachineInstr::FrameSetup);
-
-    unsigned CFIIndex =
-        MF.addFrameInst(MCCFIInstruction::createNegateRAState(nullptr));
-    BuildMI(MBB, MBBI, DL, TII->get(TargetOpcode::CFI_INSTRUCTION))
-        .addCFIIndex(CFIIndex)
-        .setMIFlags(MachineInstr::FrameSetup);
   }
 
   // All calls are tail calls in GHC calling conv, and functions have no
diff --git a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
index a2c060ab2f2..d3b6c0d606a 100644
--- a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
+++ b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
@@ -175,7 +175,6 @@ private:
 
   bool parseDirectiveReq(StringRef Name, SMLoc L);
   bool parseDirectiveUnreq(SMLoc L);
-  bool parseDirectiveCFINegateRAState();
 
   bool validateInstruction(MCInst &Inst, SMLoc &IDLoc,
                            SmallVectorImpl<SMLoc> &Loc);
@@ -5015,8 +5014,6 @@ bool AArch64AsmParser::ParseDirective(AsmToken DirectiveID) {
     parseDirectiveUnreq(Loc);
   else if (IDVal == ".inst")
     parseDirectiveInst(Loc);
-  else if (IDVal == ".cfi_negate_ra_state")
-    parseDirectiveCFINegateRAState();
   else if (IsMachO) {
     if (IDVal == MCLOHDirectiveName())
       parseDirectiveLOH(IDVal, Loc);
@@ -5390,13 +5387,6 @@ bool AArch64AsmParser::parseDirectiveUnreq(SMLoc L) {
   return false;
 }
 
-bool AArch64AsmParser::parseDirectiveCFINegateRAState() {
-  if (parseToken(AsmToken::EndOfStatement, "unexpected token in directive"))
-    return true;
-  getStreamer().EmitCFINegateRAState();
-  return false;
-}
-
 bool
 AArch64AsmParser::classifySymbolRef(const MCExpr *Expr,
                                     AArch64MCExpr::VariantKind &ELFRefKind,