Remove some dead assignements found by scan-build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204526 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 9b9b7f089c0f747db19afa3cc74904a0607339c5..d1027948e7b25155915d95284ef9086e065d7a85 100644 (file)
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -1674,7 +1674,7 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM,
 
   // Print debug location information.
   if (isDebugValue() && getOperand(e - 1).isMetadata()) {
 
   // Print debug location information.
   if (isDebugValue() && getOperand(e - 1).isMetadata()) {

-    if (!HaveSemi) OS << ";"; HaveSemi = true;
+    if (!HaveSemi) OS << ";";

     DIVariable DV(getOperand(e - 1).getMetadata());
     OS << " line no:" <<  DV.getLineNumber();
     if (MDNode *InlinedAt = DV.getInlinedAt()) {
     DIVariable DV(getOperand(e - 1).getMetadata());
     OS << " line no:" <<  DV.getLineNumber();
     if (MDNode *InlinedAt = DV.getInlinedAt()) {

diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index ca603cf613068807a24bba3300a627eaab9bef8b..ac6ebbde7b2a5c671d15c3ce1612dcb4750422c3 100644 (file)
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -875,10 +875,8 @@ bool AsmParser::parsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) {
       MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
       if (Split.first.size() != IDVal.size()) {
         Variant = MCSymbolRefExpr::getVariantKindForName(Split.second);
       MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
       if (Split.first.size() != IDVal.size()) {
         Variant = MCSymbolRefExpr::getVariantKindForName(Split.second);

-        if (Variant == MCSymbolRefExpr::VK_Invalid) {
-          Variant = MCSymbolRefExpr::VK_None;
+        if (Variant == MCSymbolRefExpr::VK_Invalid)

           return TokError("invalid variant '" + Split.second + "'");
           return TokError("invalid variant '" + Split.second + "'");

-        }

         IDVal = Split.first;
       }
       if (IDVal == "f" || IDVal == "b") {
         IDVal = Split.first;
       }
       if (IDVal == "f" || IDVal == "b") {


@@ -1617,9 +1615,9 @@ bool AsmParser::parseStatement(ParseStatementInfo &Info) {
   // If parsing succeeded, match the instruction.
   if (!HadError) {
     unsigned ErrorInfo;
   // If parsing succeeded, match the instruction.
   if (!HadError) {
     unsigned ErrorInfo;

-    HadError = getTargetParser().MatchAndEmitInstruction(
-        IDLoc, Info.Opcode, Info.ParsedOperands, Out, ErrorInfo,
-        ParsingInlineAsm);
+    getTargetParser().MatchAndEmitInstruction(IDLoc, Info.Opcode,
+                                              Info.ParsedOperands, Out,
+                                              ErrorInfo, ParsingInlineAsm);

   }
 
   // Don't skip the rest of the line, the instruction parser is responsible for
   }
 
   // Don't skip the rest of the line, the instruction parser is responsible for

diff --git a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
index 8a662aaac2f1c3726394c89174ca8deefcb1a946..0249df1c6d8378d9d5f23d33072de966c0a9a197 100644 (file)
--- a/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
@@ -850,7 +850,6 @@ Value *DataFlowSanitizer::combineShadows(Value *V1, Value *V2,
   PHINode *Phi = PHINode::Create(ShadowTy, 2, "", Tail->begin());
   Phi->addIncoming(Call, Call->getParent());
   Phi->addIncoming(V1, Head);
   PHINode *Phi = PHINode::Create(ShadowTy, 2, "", Tail->begin());
   Phi->addIncoming(Call, Call->getParent());
   Phi->addIncoming(V1, Head);

-  Pos = Phi;

   return Phi;
 }
 
   return Phi;
 }