llvm-mc: Add MCExpr::{dump,print}.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80570 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 1075968..bc42415 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -11,8 +11,75 @@
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCValue.h"
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
+void MCExpr::print(raw_ostream &OS) const {
+ switch (getKind()) {
+ case MCExpr::Constant:
+ OS << cast<MCConstantExpr>(*this).getValue();
+ return;
+
+ case MCExpr::SymbolRef:
+ cast<MCSymbolRefExpr>(*this).getSymbol().print(OS);
+ return;
+
+ case MCExpr::Unary: {
+ const MCUnaryExpr &UE = cast<MCUnaryExpr>(*this);
+ switch (UE.getOpcode()) {
+ default: assert(0 && "Invalid opcode!");
+ case MCUnaryExpr::LNot: OS << '!'; break;
+ case MCUnaryExpr::Minus: OS << '-'; break;
+ case MCUnaryExpr::Not: OS << '~'; break;
+ case MCUnaryExpr::Plus: OS << '+'; break;
+ }
+ UE.getSubExpr()->print(OS);
+ return;
+ }
+
+ case MCExpr::Binary: {
+ const MCBinaryExpr &BE = cast<MCBinaryExpr>(*this);
+ OS << '(';
+ BE.getLHS()->print(OS);
+ OS << ' ';
+ switch (BE.getOpcode()) {
+ default: assert(0 && "Invalid opcode!");
+ case MCBinaryExpr::Add: OS << '+'; break;
+ case MCBinaryExpr::And: OS << '&'; break;
+ case MCBinaryExpr::Div: OS << '/'; break;
+ case MCBinaryExpr::EQ: OS << "=="; break;
+ case MCBinaryExpr::GT: OS << '>'; break;
+ case MCBinaryExpr::GTE: OS << ">="; break;
+ case MCBinaryExpr::LAnd: OS << "&&"; break;
+ case MCBinaryExpr::LOr: OS << "||"; break;
+ case MCBinaryExpr::LT: OS << '<'; break;
+ case MCBinaryExpr::LTE: OS << "<="; break;
+ case MCBinaryExpr::Mod: OS << '%'; break;
+ case MCBinaryExpr::Mul: OS << '*'; break;
+ case MCBinaryExpr::NE: OS << "!="; break;
+ case MCBinaryExpr::Or: OS << '|'; break;
+ case MCBinaryExpr::Shl: OS << "<<"; break;
+ case MCBinaryExpr::Shr: OS << ">>"; break;
+ case MCBinaryExpr::Sub: OS << '-'; break;
+ case MCBinaryExpr::Xor: OS << '^'; break;
+ }
+ OS << ' ';
+ BE.getRHS()->print(OS);
+ OS << ')';
+ return;
+ }
+ }
+
+ assert(0 && "Invalid expression kind!");
+}
+
+void MCExpr::dump() const {
+ print(errs());
+ errs() << '\n';
+}
+
+/* *** */
+
const MCBinaryExpr * MCBinaryExpr::Create(Opcode Opc,
const MCExpr *LHS,
const MCExpr *RHS,