Remove a bunch of unused variable assignments.

Found by the clang static analyzer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148541 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index 8a66e04ed4cb3acf783fa86e421f9a2ed3996eaa..36f94b4184c2d282e3d35425da8652ab2a9cde8c 100644 (file)
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -1380,14 +1380,10 @@ uint64_t ELFObjectWriter::GetSectionAddressSize(const MCAsmLayout &Layout,
 void ELFObjectWriter::WriteDataSectionData(MCAssembler &Asm,
                                            const MCAsmLayout &Layout,
                                            const MCSectionELF &Section) {
-  uint64_t FileOff = OS.tell();
   const MCSectionData &SD = Asm.getOrCreateSectionData(Section);
 
-  uint64_t Padding = OffsetToAlignment(FileOff, SD.getAlignment());
+  uint64_t Padding = OffsetToAlignment(OS.tell(), SD.getAlignment());
   WriteZeros(Padding);
-  FileOff += Padding;
-
-  FileOff += GetSectionFileSize(Layout, SD);
 
   if (IsELFMetaDataSection(SD)) {
     for (MCSectionData::const_iterator i = SD.begin(), e = SD.end(); i != e;
@@ -1553,16 +1549,13 @@ void ELFObjectWriter::WriteObject(MCAssembler &Asm,
   for (unsigned i = 0; i < NumRegularSections + 1; ++i)
     WriteDataSectionData(Asm, Layout, *Sections[i]);
 
-  FileOff = OS.tell();
-  uint64_t Padding = OffsetToAlignment(FileOff, NaturalAlignment);
+  uint64_t Padding = OffsetToAlignment(OS.tell(), NaturalAlignment);
   WriteZeros(Padding);
 
   // ... then the section header table ...
   WriteSectionHeader(Asm, GroupMap, Layout, SectionIndexMap,
                      SectionOffsetMap);
 
-  FileOff = OS.tell();
-
   // ... and then the remaining sections ...
   for (unsigned i = NumRegularSections + 1; i < NumSections; ++i)
     WriteDataSectionData(Asm, Layout, *Sections[i]);

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index df7dbe02d426a6cdc92d6bd493e90b523a134b5d..f6bf0738112db203ff17cb49eebe294b524e03ca 100644 (file)
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1914,12 +1914,11 @@ PPCTargetLowering::LowerFormalArguments_Darwin(
     for (unsigned ArgNo = 0, e = Ins.size(); ArgNo != e;
          ++ArgNo) {
       EVT ObjectVT = Ins[ArgNo].VT;
-      unsigned ObjSize = ObjectVT.getSizeInBits()/8;
       ISD::ArgFlagsTy Flags = Ins[ArgNo].Flags;
 
       if (Flags.isByVal()) {
         // ObjSize is the true size, ArgSize rounded up to multiple of regs.
-        ObjSize = Flags.getByValSize();
+        unsigned ObjSize = Flags.getByValSize();
         unsigned ArgSize =
                 ((ObjSize + PtrByteSize - 1)/PtrByteSize) * PtrByteSize;
         VecArgOffset += ArgSize;