Move expression visitation logic up to MCStreamer.

Remove the duplicate from MCRecordStreamer. No functionality change.

llvm-svn: 211714

2 files changed, 29 insertions, 26 deletions

diff --git a/llvm/lib/MC/MCObjectStreamer.cpp b/llvm/lib/MC/MCObjectStreamer.cpp
index 2692c3df67e..9d92f1ddcac 100644
--- a/llvm/lib/MC/MCObjectStreamer.cpp
+++ b/llvm/lib/MC/MCObjectStreamer.cpp
@@ -87,32 +87,6 @@ void MCObjectStreamer::visitUsedSymbol(const MCSymbol &Sym) {
   Assembler->getOrCreateSymbolData(Sym);
 }
 
-void MCObjectStreamer::visitUsedExpr(const MCExpr &Expr) {
-  switch (Expr.getKind()) {
-  case MCExpr::Target:
-    cast<MCTargetExpr>(Expr).visitUsedExpr(*this);
-    break;
-
-  case MCExpr::Constant:
-    break;
-
-  case MCExpr::Binary: {
-    const MCBinaryExpr &BE = cast<MCBinaryExpr>(Expr);
-    visitUsedExpr(*BE.getLHS());
-    visitUsedExpr(*BE.getRHS());
-    break;
-  }
-
-  case MCExpr::SymbolRef:
-    visitUsedSymbol(cast<MCSymbolRefExpr>(Expr).getSymbol());
-    break;
-
-  case MCExpr::Unary:
-    visitUsedExpr(*cast<MCUnaryExpr>(Expr).getSubExpr());
-    break;
-  }
-}
-
 void MCObjectStreamer::EmitCFISections(bool EH, bool Debug) {
   MCStreamer::EmitCFISections(EH, Debug);
   EmitEHFrame = EH;
diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index 8e675e5f4ea..6b4bb6f432f 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -614,6 +614,35 @@ void MCStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
     TS->emitAssignment(Symbol, Value);
 }
 
+void MCStreamer::visitUsedSymbol(const MCSymbol &Sym) {
+}
+
+void MCStreamer::visitUsedExpr(const MCExpr &Expr) {
+  switch (Expr.getKind()) {
+  case MCExpr::Target:
+    cast<MCTargetExpr>(Expr).visitUsedExpr(*this);
+    break;
+
+  case MCExpr::Constant:
+    break;
+
+  case MCExpr::Binary: {
+    const MCBinaryExpr &BE = cast<MCBinaryExpr>(Expr);
+    visitUsedExpr(*BE.getLHS());
+    visitUsedExpr(*BE.getRHS());
+    break;
+  }
+
+  case MCExpr::SymbolRef:
+    visitUsedSymbol(cast<MCSymbolRefExpr>(Expr).getSymbol());
+    break;
+
+  case MCExpr::Unary:
+    visitUsedExpr(*cast<MCUnaryExpr>(Expr).getSubExpr());
+    break;
+  }
+}
+
 void MCStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {}
 void MCStreamer::EmitThumbFunc(MCSymbol *Func) {}
 void MCStreamer::EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) {}