[X86][AVX] Only shuffle the lower half of vectors if the upper half is undefined

[oota-llvm.git] / lib / Target / Mips / MipsTargetMachine.cpp

diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 79f6617fcabf651ca51564acf9bdfe296d502645..3e638720e839240164a1084fea0678624c592605 100644 (file)
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -44,12 +44,11 @@ extern "C" void LLVMInitializeMipsTarget() {
   RegisterTargetMachine<MipselTargetMachine> B(TheMips64elTarget);
 }
 
-static std::string computeDataLayout(StringRef TT, StringRef CPU,
+static std::string computeDataLayout(const Triple &TT, StringRef CPU,
                                      const TargetOptions &Options,
                                      bool isLittle) {
   std::string Ret = "";
-  MipsABIInfo ABI =
-      MipsABIInfo::computeTargetABI(Triple(TT), CPU, Options.MCOptions);
+  MipsABIInfo ABI = MipsABIInfo::computeTargetABI(TT, CPU, Options.MCOptions);
 
   // There are both little and big endian mips.
   if (isLittle)
@@ -63,7 +62,7 @@ static std::string computeDataLayout(StringRef TT, StringRef CPU,
   if (!ABI.IsN64())
     Ret += "-p:32:32";
 
-  // 8 and 16 bit integers only need no have natural alignment, but try to
+  // 8 and 16 bit integers only need to have natural alignment, but try to
   // align them to 32 bits. 64 bit integers have natural alignment.
   Ret += "-i8:8:32-i16:16:32-i64:64";
 
@@ -83,7 +82,7 @@ static std::string computeDataLayout(StringRef TT, StringRef CPU,
 // offset from the stack/frame pointer, using StackGrowsUp enables
 // an easier handling.
 // Using CodeModel::Large enables different CALL behavior.
-MipsTargetMachine::MipsTargetMachine(const Target &T, StringRef TT,
+MipsTargetMachine::MipsTargetMachine(const Target &T, const Triple &TT,
                                      StringRef CPU, StringRef FS,
                                      const TargetOptions &Options,
                                      Reloc::Model RM, CodeModel::Model CM,
@@ -91,7 +90,7 @@ MipsTargetMachine::MipsTargetMachine(const Target &T, StringRef TT,
     : LLVMTargetMachine(T, computeDataLayout(TT, CPU, Options, isLittle), TT,
                         CPU, FS, Options, RM, CM, OL),
       isLittle(isLittle), TLOF(make_unique<MipsTargetObjectFile>()),
-      ABI(MipsABIInfo::computeTargetABI(Triple(TT), CPU, Options.MCOptions)),
+      ABI(MipsABIInfo::computeTargetABI(TT, CPU, Options.MCOptions)),
       Subtarget(nullptr), DefaultSubtarget(TT, CPU, FS, isLittle, *this),
       NoMips16Subtarget(TT, CPU, FS.empty() ? "-mips16" : FS.str() + ",-mips16",
                         isLittle, *this),
@@ -105,21 +104,21 @@ MipsTargetMachine::~MipsTargetMachine() {}
 
 void MipsebTargetMachine::anchor() { }
 
-MipsebTargetMachine::
-MipsebTargetMachine(const Target &T, StringRef TT,
-                    StringRef CPU, StringRef FS, const TargetOptions &Options,
-                    Reloc::Model RM, CodeModel::Model CM,
-                    CodeGenOpt::Level OL)
-  : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {}
+MipsebTargetMachine::MipsebTargetMachine(const Target &T, const Triple &TT,
+                                         StringRef CPU, StringRef FS,
+                                         const TargetOptions &Options,
+                                         Reloc::Model RM, CodeModel::Model CM,
+                                         CodeGenOpt::Level OL)
+    : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {}
 
 void MipselTargetMachine::anchor() { }
 
-MipselTargetMachine::
-MipselTargetMachine(const Target &T, StringRef TT,
-                    StringRef CPU, StringRef FS, const TargetOptions &Options,
-                    Reloc::Model RM, CodeModel::Model CM,
-                    CodeGenOpt::Level OL)
-  : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
+MipselTargetMachine::MipselTargetMachine(const Target &T, const Triple &TT,
+                                         StringRef CPU, StringRef FS,
+                                         const TargetOptions &Options,
+                                         Reloc::Model RM, CodeModel::Model CM,
+                                         CodeGenOpt::Level OL)
+    : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
 
 const MipsSubtarget *
 MipsTargetMachine::getSubtargetImpl(const Function &F) const {
@@ -139,27 +138,26 @@ MipsTargetMachine::getSubtargetImpl(const Function &F) const {
 
   // FIXME: This is related to the code below to reset the target options,
   // we need to know whether or not the soft float flag is set on the
-  // function before we can generate a subtarget. We also need to use
-  // it as a key for the subtarget since that can be the only difference
-  // between two functions.
-  Attribute SFAttr = F.getFnAttribute("use-soft-float");
-  bool softFloat = !SFAttr.hasAttribute(Attribute::None)
-                       ? SFAttr.getValueAsString() == "true"
-                       : Options.UseSoftFloat;
+  // function, so we can enable it as a subtarget feature.
+  bool softFloat =
+      F.hasFnAttribute("use-soft-float") &&
+      F.getFnAttribute("use-soft-float").getValueAsString() == "true";
 
   if (hasMips16Attr)
     FS += FS.empty() ? "+mips16" : ",+mips16";
   else if (hasNoMips16Attr)
     FS += FS.empty() ? "-mips16" : ",-mips16";
+  if (softFloat)
+    FS += FS.empty() ? "+soft-float" : ",+soft-float";
 
-  auto &I = SubtargetMap[CPU + FS + (softFloat ? "use-soft-float=true"
-                                               : "use-soft-float=false")];
+  auto &I = SubtargetMap[CPU + FS];
   if (!I) {
     // This needs to be done before we create a new subtarget since any
     // creation will depend on the TM and the code generation flags on the
     // function that reside in TargetOptions.
     resetTargetOptions(F);
-    I = llvm::make_unique<MipsSubtarget>(TargetTriple, CPU, FS, isLittle, *this);
+    I = llvm::make_unique<MipsSubtarget>(TargetTriple, CPU, FS, isLittle,
+                                         *this);
   }
   return I.get();
 }
@@ -235,11 +233,11 @@ void MipsPassConfig::addPreRegAlloc() {
 }
 
 TargetIRAnalysis MipsTargetMachine::getTargetIRAnalysis() {
-  return TargetIRAnalysis([this](Function &F) {
+  return TargetIRAnalysis([this](const Function &F) {
     if (Subtarget->allowMixed16_32()) {
       DEBUG(errs() << "No Target Transform Info Pass Added\n");
       // FIXME: This is no longer necessary as the TTI returned is per-function.
-      return TargetTransformInfo(getDataLayout());
+      return TargetTransformInfo(F.getParent()->getDataLayout());
     }
 
     DEBUG(errs() << "Target Transform Info Pass Added\n");