Revert "[CSSPGO] Pseudo probe encoding and emission."

This reverts commit b035513c06d1cba2bae8f3e88798334e877523e1.

Reason: Broke the ASan buildbots:
  http://lab.llvm.org:8011/#/builders/5/builds/2269

1 files changed, 0 insertions, 36 deletions

diff --git a/llvm/lib/MC/MCAssembler.cpp b/llvm/lib/MC/MCAssembler.cpp
index d8b8b50..1422014 100644
--- a/llvm/lib/MC/MCAssembler.cpp
+++ b/llvm/lib/MC/MCAssembler.cpp
@@ -383,8 +383,6 @@ uint64_t MCAssembler::computeFragmentSize(const MCAsmLayout &Layout,
     return cast<MCCVInlineLineTableFragment>(F).getContents().size();
   case MCFragment::FT_CVDefRange:
     return cast<MCCVDefRangeFragment>(F).getContents().size();
-  case MCFragment::FT_PseudoProbe:
-    return cast<MCPseudoProbeAddrFragment>(F).getContents().size();
   case MCFragment::FT_Dummy:
     llvm_unreachable("Should not have been added");
   }
@@ -706,11 +704,6 @@ static void writeFragment(raw_ostream &OS, const MCAssembler &Asm,
     OS << DRF.getContents();
     break;
   }
-  case MCFragment::FT_PseudoProbe: {
-    const MCPseudoProbeAddrFragment &PF = cast<MCPseudoProbeAddrFragment>(F);
-    OS << PF.getContents();
-    break;
-  }
   case MCFragment::FT_Dummy:
     llvm_unreachable("Should not have been added");
   }
@@ -922,12 +915,6 @@ void MCAssembler::layout(MCAsmLayout &Layout) {
         Contents = DF.getContents();
         break;
       }
-      case MCFragment::FT_PseudoProbe: {
-        MCPseudoProbeAddrFragment &PF = cast<MCPseudoProbeAddrFragment>(Frag);
-        Fixups = PF.getFixups();
-        Contents = PF.getContents();
-        break;
-      }
       }
       for (const MCFixup &Fixup : Fixups) {
         uint64_t FixedValue;
@@ -1183,27 +1170,6 @@ bool MCAssembler::relaxCVDefRange(MCAsmLayout &Layout,
   return OldSize != F.getContents().size();
 }
 
-bool MCAssembler::relaxPseudoProbeAddr(MCAsmLayout &Layout,
-                                       MCPseudoProbeAddrFragment &PF) {
-  uint64_t OldSize = PF.getContents().size();
-  int64_t AddrDelta;
-  bool Abs = PF.getAddrDelta().evaluateKnownAbsolute(AddrDelta, Layout);
-  assert(Abs && "We created a pseudo probe with an invalid expression");
-  (void)Abs;
-  SmallVectorImpl<char> &Data = PF.getContents();
-  Data.clear();
-  raw_svector_ostream OSE(Data);
-  PF.getFixups().clear();
-
-  // Relocations should not be needed in general except on RISC-V which we are
-  // not targeted for now.
-  assert(!getBackend().requiresDiffExpressionRelocations() &&
-         "cannot relax relocations");
-  // AddrDelta is a signed integer
-  encodeSLEB128(AddrDelta, OSE, OldSize);
-  return OldSize != Data.size();
-}
-
 bool MCAssembler::relaxFragment(MCAsmLayout &Layout, MCFragment &F) {
   switch(F.getKind()) {
   default:
@@ -1225,8 +1191,6 @@ bool MCAssembler::relaxFragment(MCAsmLayout &Layout, MCFragment &F) {
     return relaxCVInlineLineTable(Layout, cast<MCCVInlineLineTableFragment>(F));
   case MCFragment::FT_CVDefRange:
     return relaxCVDefRange(Layout, cast<MCCVDefRangeFragment>(F));
-  case MCFragment::FT_PseudoProbe:
-    return relaxPseudoProbeAddr(Layout, cast<MCPseudoProbeAddrFragment>(F));
   }
 }