commit 38b4b54a2cd4ff0f41a62dd93e9c340922f0a64f
author Nirav Dave <niravd@google.com> Fri Apr 27 16:11:24 2018 +0000
committer Nirav Dave <niravd@google.com> Fri Apr 27 16:11:24 2018 +0000
tree 7125fb361bf048e59ca06cb0830b978aa954b516
parent b2aa89c9092cadaa4b865ec95eb93d43029ded04

[MC] Provide default value for IsResolved.

llvm-svn: 331052

llvm/lib/MC/MCObjectStreamer.cpp

diff --git a/llvm/lib/MC/MCObjectStreamer.cpp b/llvm/lib/MC/MCObjectStreamer.cpp
index 19c41df..ebedd9b 100644
--- a/llvm/lib/MC/MCObjectStreamer.cpp
+++ b/llvm/lib/MC/MCObjectStreamer.cpp
@@ -35,6 +35,15 @@
 
 MCObjectStreamer::~MCObjectStreamer() {}
 
+// AssemblerPtr is used for evaluation of expressions and causes
+// difference between asm and object outputs. Return nullptr to in
+// inline asm mode to limit divergence to assembly inputs.
+MCAssembler *MCObjectStreamer::getAssemblerPtr() {
+  if (getUseAssemblerInfoForParsing())
+    return Assembler.get();
+  return nullptr;
+}
+
 void MCObjectStreamer::flushPendingLabels(MCFragment *F, uint64_t FOffset) {
   if (PendingLabels.empty())
     return;
@@ -155,7 +164,7 @@
 
   // Avoid fixups when possible.
   int64_t AbsValue;
-  if (Value->evaluateAsAbsolute(AbsValue, getAssembler())) {
+  if (Value->evaluateAsAbsolute(AbsValue, getAssemblerPtr())) {
     if (!isUIntN(8 * Size, AbsValue) && !isIntN(8 * Size, AbsValue)) {
       getContext().reportError(
           Loc, "value evaluated as " + Twine(AbsValue) + " is out of range.");
@@ -217,7 +226,7 @@
 
 void MCObjectStreamer::EmitULEB128Value(const MCExpr *Value) {
   int64_t IntValue;
-  if (Value->evaluateAsAbsolute(IntValue, getAssembler())) {
+  if (Value->evaluateAsAbsolute(IntValue, getAssemblerPtr())) {
     EmitULEB128IntValue(IntValue);
     return;
   }
@@ -226,7 +235,7 @@
 
 void MCObjectStreamer::EmitSLEB128Value(const MCExpr *Value) {
   int64_t IntValue;
-  if (Value->evaluateAsAbsolute(IntValue, getAssembler())) {
+  if (Value->evaluateAsAbsolute(IntValue, getAssemblerPtr())) {
     EmitSLEB128IntValue(IntValue);
     return;
   }
@@ -254,7 +263,7 @@
 
   int64_t IntSubsection = 0;
   if (Subsection &&
-      !Subsection->evaluateAsAbsolute(IntSubsection, getAssembler()))
+      !Subsection->evaluateAsAbsolute(IntSubsection, getAssemblerPtr()))
     report_fatal_error("Cannot evaluate subsection number");
   if (IntSubsection < 0 || IntSubsection > 8192)
     report_fatal_error("Subsection number out of range");
@@ -400,7 +409,7 @@
   }
   const MCExpr *AddrDelta = buildSymbolDiff(*this, Label, LastLabel);
   int64_t Res;
-  if (AddrDelta->evaluateAsAbsolute(Res, getAssembler())) {
+  if (AddrDelta->evaluateAsAbsolute(Res, getAssemblerPtr())) {
     MCDwarfLineAddr::Emit(this, Assembler->getDWARFLinetableParams(), LineDelta,
                           Res);
     return;
@@ -412,7 +421,7 @@
                                                  const MCSymbol *Label) {
   const MCExpr *AddrDelta = buildSymbolDiff(*this, Label, LastLabel);
   int64_t Res;
-  if (AddrDelta->evaluateAsAbsolute(Res, getAssembler())) {
+  if (AddrDelta->evaluateAsAbsolute(Res, getAssemblerPtr())) {
     MCDwarfFrameEmitter::EmitAdvanceLoc(*this, Res);
     return;
   }
@@ -608,7 +617,7 @@
 void MCObjectStreamer::emitFill(const MCExpr &NumValues, int64_t Size,
                                 int64_t Expr, SMLoc Loc) {
   int64_t IntNumValues;
-  if (!NumValues.evaluateAsAbsolute(IntNumValues, getAssembler())) {
+  if (!NumValues.evaluateAsAbsolute(IntNumValues, getAssemblerPtr())) {
     getContext().reportError(Loc, "expected absolute expression");
     return;
   }