[llvm] 60bbf27 - [ARM][NFC] Use FPUKind enum instead of unsigned

Michael Platings via llvm-commits llvm-commits at lists.llvm.org
Thu Mar 16 06:42:45 PDT 2023


Author: Michael Platings
Date: 2023-03-16T13:38:10Z
New Revision: 60bbf271b568ab85ef90c92ff6014e06786217b9

URL: https://github.com/llvm/llvm-project/commit/60bbf271b568ab85ef90c92ff6014e06786217b9
DIFF: https://github.com/llvm/llvm-project/commit/60bbf271b568ab85ef90c92ff6014e06786217b9.diff

LOG: [ARM][NFC] Use FPUKind enum instead of unsigned

Also rename some FPUID variables to FPUKind now it's clear that's what
they are.

Differential Revision: https://reviews.llvm.org/D146141

Added: 
    

Modified: 
    clang/lib/Basic/Targets/ARM.cpp
    clang/lib/Driver/ToolChains/Arch/ARM.cpp
    llvm/include/llvm/MC/MCStreamer.h
    llvm/include/llvm/TargetParser/ARMTargetParser.h
    llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
    llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
    llvm/lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp
    llvm/lib/TargetParser/ARMTargetParser.cpp
    llvm/unittests/TargetParser/TargetParserTest.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/ARM.cpp b/clang/lib/Basic/Targets/ARM.cpp
index b85d5dc2d3478..e01379ec82fb4 100644
--- a/clang/lib/Basic/Targets/ARM.cpp
+++ b/clang/lib/Basic/Targets/ARM.cpp
@@ -452,7 +452,7 @@ bool ARMTargetInfo::initFeatureMap(
   }
 
   // get default FPU features
-  unsigned FPUKind = llvm::ARM::getDefaultFPU(CPU, Arch);
+  llvm::ARM::FPUKind FPUKind = llvm::ARM::getDefaultFPU(CPU, Arch);
   llvm::ARM::getFPUFeatures(FPUKind, TargetFeatures);
 
   // get default Extension features

diff  --git a/clang/lib/Driver/ToolChains/Arch/ARM.cpp b/clang/lib/Driver/ToolChains/Arch/ARM.cpp
index e75f8a474410c..7843031a4c22f 100644
--- a/clang/lib/Driver/ToolChains/Arch/ARM.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/ARM.cpp
@@ -72,25 +72,25 @@ static void getARMHWDivFeatures(const Driver &D, const Arg *A,
 }
 
 // Handle -mfpu=.
-static unsigned getARMFPUFeatures(const Driver &D, const Arg *A,
-                                  const ArgList &Args, StringRef FPU,
-                                  std::vector<StringRef> &Features) {
-  unsigned FPUID = llvm::ARM::parseFPU(FPU);
-  if (!llvm::ARM::getFPUFeatures(FPUID, Features))
+static llvm::ARM::FPUKind getARMFPUFeatures(const Driver &D, const Arg *A,
+                                            const ArgList &Args, StringRef FPU,
+                                            std::vector<StringRef> &Features) {
+  llvm::ARM::FPUKind FPUKind = llvm::ARM::parseFPU(FPU);
+  if (!llvm::ARM::getFPUFeatures(FPUKind, Features))
     D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
-  return FPUID;
+  return FPUKind;
 }
 
 // Decode ARM features from string like +[no]featureA+[no]featureB+...
 static bool DecodeARMFeatures(const Driver &D, StringRef text, StringRef CPU,
                               llvm::ARM::ArchKind ArchKind,
                               std::vector<StringRef> &Features,
-                              unsigned &ArgFPUID) {
+                              llvm::ARM::FPUKind &ArgFPUKind) {
   SmallVector<StringRef, 8> Split;
   text.split(Split, StringRef("+"), -1, false);
 
   for (StringRef Feature : Split) {
-    if (!appendArchExtFeatures(CPU, ArchKind, Feature, Features, ArgFPUID))
+    if (!appendArchExtFeatures(CPU, ArchKind, Feature, Features, ArgFPUKind))
       return false;
   }
   return true;
@@ -112,14 +112,16 @@ static void DecodeARMFeaturesFromCPU(const Driver &D, StringRef CPU,
 static void checkARMArchName(const Driver &D, const Arg *A, const ArgList &Args,
                              llvm::StringRef ArchName, llvm::StringRef CPUName,
                              std::vector<StringRef> &Features,
-                             const llvm::Triple &Triple, unsigned &ArgFPUID) {
+                             const llvm::Triple &Triple,
+                             llvm::ARM::FPUKind &ArgFPUKind) {
   std::pair<StringRef, StringRef> Split = ArchName.split("+");
 
   std::string MArch = arm::getARMArch(ArchName, Triple);
   llvm::ARM::ArchKind ArchKind = llvm::ARM::parseArch(MArch);
   if (ArchKind == llvm::ARM::ArchKind::INVALID ||
-      (Split.second.size() && !DecodeARMFeatures(D, Split.second, CPUName,
-                                                 ArchKind, Features, ArgFPUID)))
+      (Split.second.size() &&
+       !DecodeARMFeatures(D, Split.second, CPUName, ArchKind, Features,
+                          ArgFPUKind)))
     D.Diag(clang::diag::err_drv_unsupported_option_argument)
         << A->getSpelling() << A->getValue();
 }
@@ -128,15 +130,16 @@ static void checkARMArchName(const Driver &D, const Arg *A, const ArgList &Args,
 static void checkARMCPUName(const Driver &D, const Arg *A, const ArgList &Args,
                             llvm::StringRef CPUName, llvm::StringRef ArchName,
                             std::vector<StringRef> &Features,
-                            const llvm::Triple &Triple, unsigned &ArgFPUID) {
+                            const llvm::Triple &Triple,
+                            llvm::ARM::FPUKind &ArgFPUKind) {
   std::pair<StringRef, StringRef> Split = CPUName.split("+");
 
   std::string CPU = arm::getARMTargetCPU(CPUName, ArchName, Triple);
   llvm::ARM::ArchKind ArchKind =
     arm::getLLVMArchKindForARM(CPU, ArchName, Triple);
   if (ArchKind == llvm::ARM::ArchKind::INVALID ||
-      (Split.second.size() &&
-       !DecodeARMFeatures(D, Split.second, CPU, ArchKind, Features, ArgFPUID)))
+      (Split.second.size() && !DecodeARMFeatures(D, Split.second, CPU, ArchKind,
+                                                 Features, ArgFPUKind)))
     D.Diag(clang::diag::err_drv_unsupported_option_argument)
         << A->getSpelling() << A->getValue();
 }
@@ -498,8 +501,8 @@ void arm::getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
   const Arg *CPUArg = Args.getLastArg(options::OPT_mcpu_EQ);
   StringRef ArchName;
   StringRef CPUName;
-  unsigned ArchArgFPUID = llvm::ARM::FK_INVALID;
-  unsigned CPUArgFPUID = llvm::ARM::FK_INVALID;
+  llvm::ARM::FPUKind ArchArgFPUKind = llvm::ARM::FK_INVALID;
+  llvm::ARM::FPUKind CPUArgFPUKind = llvm::ARM::FK_INVALID;
 
   // Check -mcpu. ClangAs gives preference to -Wa,-mcpu=.
   if (WaCPU) {
@@ -519,13 +522,13 @@ void arm::getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
     ArchName = WaArch->second;
     // This will set any features after the base architecture.
     checkARMArchName(D, WaArch->first, Args, ArchName, CPUName,
-                     ExtensionFeatures, Triple, ArchArgFPUID);
+                     ExtensionFeatures, Triple, ArchArgFPUKind);
     // The base architecture was handled in ToolChain::ComputeLLVMTriple because
     // triple is read only by this point.
   } else if (ArchArg) {
     ArchName = ArchArg->getValue();
     checkARMArchName(D, ArchArg, Args, ArchName, CPUName, ExtensionFeatures,
-                     Triple, ArchArgFPUID);
+                     Triple, ArchArgFPUKind);
   }
 
   // Add CPU features for generic CPUs
@@ -545,14 +548,14 @@ void arm::getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
 
   if (CPUArg)
     checkARMCPUName(D, CPUArg, Args, CPUName, ArchName, ExtensionFeatures,
-                    Triple, CPUArgFPUID);
+                    Triple, CPUArgFPUKind);
 
   // TODO Handle -mtune=. Suppress -Wunused-command-line-argument as a
   // longstanding behavior.
   (void)Args.getLastArg(options::OPT_mtune_EQ);
 
   // Honor -mfpu=. ClangAs gives preference to -Wa,-mfpu=.
-  unsigned FPUID = llvm::ARM::FK_INVALID;
+  llvm::ARM::FPUKind FPUKind = llvm::ARM::FK_INVALID;
   const Arg *FPUArg = Args.getLastArg(options::OPT_mfpu_EQ);
   if (WaFPU) {
     if (FPUArg)
@@ -560,11 +563,11 @@ void arm::getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
           << FPUArg->getAsString(Args);
     (void)getARMFPUFeatures(D, WaFPU->first, Args, WaFPU->second, Features);
   } else if (FPUArg) {
-    FPUID = getARMFPUFeatures(D, FPUArg, Args, FPUArg->getValue(), Features);
+    FPUKind = getARMFPUFeatures(D, FPUArg, Args, FPUArg->getValue(), Features);
   } else if (Triple.isAndroid() && getARMSubArchVersionNumber(Triple) >= 7) {
     const char *AndroidFPU = "neon";
-    FPUID = llvm::ARM::parseFPU(AndroidFPU);
-    if (!llvm::ARM::getFPUFeatures(FPUID, Features))
+    FPUKind = llvm::ARM::parseFPU(AndroidFPU);
+    if (!llvm::ARM::getFPUFeatures(FPUKind, Features))
       D.Diag(clang::diag::err_drv_clang_unsupported)
           << std::string("-mfpu=") + AndroidFPU;
   } else {
@@ -572,8 +575,8 @@ void arm::getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
       std::string CPU = arm::getARMTargetCPU(CPUName, ArchName, Triple);
       llvm::ARM::ArchKind ArchKind =
           arm::getLLVMArchKindForARM(CPU, ArchName, Triple);
-      FPUID = llvm::ARM::getDefaultFPU(CPU, ArchKind);
-      (void)llvm::ARM::getFPUFeatures(FPUID, Features);
+      FPUKind = llvm::ARM::getDefaultFPU(CPU, ArchKind);
+      (void)llvm::ARM::getFPUFeatures(FPUKind, Features);
     }
   }
 
@@ -631,9 +634,9 @@ void arm::getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
     // above call.
     Features.insert(Features.end(), {"-dotprod", "-fp16fml", "-bf16", "-mve",
                                      "-mve.fp", "-fpregs"});
-  } else if (FPUID == llvm::ARM::FK_NONE ||
-             ArchArgFPUID == llvm::ARM::FK_NONE ||
-             CPUArgFPUID == llvm::ARM::FK_NONE) {
+  } else if (FPUKind == llvm::ARM::FK_NONE ||
+             ArchArgFPUKind == llvm::ARM::FK_NONE ||
+             CPUArgFPUKind == llvm::ARM::FK_NONE) {
     // -mfpu=none, -march=armvX+nofp or -mcpu=X+nofp is *very* similar to
     // -mfloat-abi=soft, only that it should not disable MVE-I. They disable the
     // FPU, but not the FPU registers, thus MVE-I, which depends only on the

diff  --git a/llvm/include/llvm/MC/MCStreamer.h b/llvm/include/llvm/MC/MCStreamer.h
index 5331d9bd3cc45..aa39954d62868 100644
--- a/llvm/include/llvm/MC/MCStreamer.h
+++ b/llvm/include/llvm/MC/MCStreamer.h
@@ -157,7 +157,7 @@ class ARMTargetStreamer : public MCTargetStreamer {
   virtual void emitTextAttribute(unsigned Attribute, StringRef String);
   virtual void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
                                     StringRef StringValue = "");
-  virtual void emitFPU(unsigned FPU);
+  virtual void emitFPU(ARM::FPUKind FPU);
   virtual void emitArch(ARM::ArchKind Arch);
   virtual void emitArchExtension(uint64_t ArchExt);
   virtual void emitObjectArch(ARM::ArchKind Arch);

diff  --git a/llvm/include/llvm/TargetParser/ARMTargetParser.h b/llvm/include/llvm/TargetParser/ARMTargetParser.h
index 0723f4b2663c2..9a81415681fdb 100644
--- a/llvm/include/llvm/TargetParser/ARMTargetParser.h
+++ b/llvm/include/llvm/TargetParser/ARMTargetParser.h
@@ -181,7 +181,7 @@ struct ArchNames {
   StringRef Name;
   StringRef CPUAttr; // CPU class in build attributes.
   StringRef ArchFeature;
-  unsigned DefaultFPU;
+  FPUKind DefaultFPU;
   uint64_t ArchBaseExtensions;
   ArchKind ID;
   ARMBuildAttrs::CPUArch ArchAttr; // Arch ID in build attributes.
@@ -213,12 +213,12 @@ inline ArchKind &operator--(ArchKind &Kind) {
 }
 
 // Information by ID
-StringRef getFPUName(unsigned FPUKind);
-FPUVersion getFPUVersion(unsigned FPUKind);
-NeonSupportLevel getFPUNeonSupportLevel(unsigned FPUKind);
-FPURestriction getFPURestriction(unsigned FPUKind);
+StringRef getFPUName(FPUKind FPUKind);
+FPUVersion getFPUVersion(FPUKind FPUKind);
+NeonSupportLevel getFPUNeonSupportLevel(FPUKind FPUKind);
+FPURestriction getFPURestriction(FPUKind FPUKind);
 
-bool getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features);
+bool getFPUFeatures(FPUKind FPUKind, std::vector<StringRef> &Features);
 bool getHWDivFeatures(uint64_t HWDivKind, std::vector<StringRef> &Features);
 bool getExtensionFeatures(uint64_t Extensions,
                           std::vector<StringRef> &Features);
@@ -231,11 +231,11 @@ StringRef getArchExtName(uint64_t ArchExtKind);
 StringRef getArchExtFeature(StringRef ArchExt);
 bool appendArchExtFeatures(StringRef CPU, ARM::ArchKind AK, StringRef ArchExt,
                            std::vector<StringRef> &Features,
-                           unsigned &ArgFPUKind);
+                           FPUKind &ArgFPUKind);
 ArchKind convertV9toV8(ArchKind AK);
 
 // Information by Name
-unsigned getDefaultFPU(StringRef CPU, ArchKind AK);
+FPUKind getDefaultFPU(StringRef CPU, ArchKind AK);
 uint64_t getDefaultExtensions(StringRef CPU, ArchKind AK);
 StringRef getDefaultCPU(StringRef Arch);
 StringRef getCanonicalArchName(StringRef Arch);
@@ -243,7 +243,7 @@ StringRef getFPUSynonym(StringRef FPU);
 
 // Parser
 uint64_t parseHWDiv(StringRef HWDiv);
-unsigned parseFPU(StringRef FPU);
+FPUKind parseFPU(StringRef FPU);
 ArchKind parseArch(StringRef Arch);
 uint64_t parseArchExt(StringRef ArchExt);
 ArchKind parseCPUArch(StringRef CPU);

diff  --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 37852ea2a72e3..7ce9e04657c7d 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -11766,7 +11766,7 @@ bool ARMAsmParser::parseDirectiveFPU(SMLoc L) {
   SMLoc FPUNameLoc = getTok().getLoc();
   StringRef FPU = getParser().parseStringToEndOfStatement().trim();
 
-  unsigned ID = ARM::parseFPU(FPU);
+  ARM::FPUKind ID = ARM::parseFPU(FPU);
   std::vector<StringRef> Features;
   if (!ARM::getFPUFeatures(ID, Features))
     return Error(FPUNameLoc, "Unknown FPU name");

diff  --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
index 822bf7ebe4e15..25bbc4ee7eb59 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
@@ -93,7 +93,7 @@ class ARMTargetAsmStreamer : public ARMTargetStreamer {
   void emitArch(ARM::ArchKind Arch) override;
   void emitArchExtension(uint64_t ArchExt) override;
   void emitObjectArch(ARM::ArchKind Arch) override;
-  void emitFPU(unsigned FPU) override;
+  void emitFPU(ARM::FPUKind FPU) override;
   void emitInst(uint32_t Inst, char Suffix = '\0') override;
   void finishAttributeSection() override;
 
@@ -248,7 +248,7 @@ void ARMTargetAsmStreamer::emitObjectArch(ARM::ArchKind Arch) {
   OS << "\t.object_arch\t" << ARM::getArchName(Arch) << '\n';
 }
 
-void ARMTargetAsmStreamer::emitFPU(unsigned FPU) {
+void ARMTargetAsmStreamer::emitFPU(ARM::FPUKind FPU) {
   OS << "\t.fpu\t" << ARM::getFPUName(FPU) << "\n";
 }
 
@@ -382,7 +382,7 @@ void ARMTargetAsmStreamer::emitARMWinCFICustom(unsigned Opcode) {
 class ARMTargetELFStreamer : public ARMTargetStreamer {
 private:
   StringRef CurrentVendor;
-  unsigned FPU = ARM::FK_INVALID;
+  ARM::FPUKind FPU = ARM::FK_INVALID;
   ARM::ArchKind Arch = ARM::ArchKind::INVALID;
   ARM::ArchKind EmittedArch = ARM::ArchKind::INVALID;
 
@@ -414,7 +414,7 @@ class ARMTargetELFStreamer : public ARMTargetStreamer {
                             StringRef StringValue) override;
   void emitArch(ARM::ArchKind Arch) override;
   void emitObjectArch(ARM::ArchKind Arch) override;
-  void emitFPU(unsigned FPU) override;
+  void emitFPU(ARM::FPUKind FPU) override;
   void emitInst(uint32_t Inst, char Suffix = '\0') override;
   void finishAttributeSection() override;
   void emitLabel(MCSymbol *Symbol) override;
@@ -928,9 +928,7 @@ void ARMTargetELFStreamer::emitArchDefaultAttributes() {
   }
 }
 
-void ARMTargetELFStreamer::emitFPU(unsigned Value) {
-  FPU = Value;
-}
+void ARMTargetELFStreamer::emitFPU(ARM::FPUKind Value) { FPU = Value; }
 
 void ARMTargetELFStreamer::emitFPUDefaultAttributes() {
   ARMELFStreamer &S = getStreamer();

diff  --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp
index a0df44441fcbd..b65d1b24e63d3 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMTargetStreamer.cpp
@@ -111,7 +111,7 @@ void ARMTargetStreamer::emitIntTextAttribute(unsigned Attribute,
 void ARMTargetStreamer::emitArch(ARM::ArchKind Arch) {}
 void ARMTargetStreamer::emitArchExtension(uint64_t ArchExt) {}
 void ARMTargetStreamer::emitObjectArch(ARM::ArchKind Arch) {}
-void ARMTargetStreamer::emitFPU(unsigned FPU) {}
+void ARMTargetStreamer::emitFPU(ARM::FPUKind FPU) {}
 void ARMTargetStreamer::finishAttributeSection() {}
 void ARMTargetStreamer::annotateTLSDescriptorSequence(
     const MCSymbolRefExpr *SRE) {}

diff  --git a/llvm/lib/TargetParser/ARMTargetParser.cpp b/llvm/lib/TargetParser/ARMTargetParser.cpp
index 7e6184d6c10cd..785e9a4fe3fb9 100644
--- a/llvm/lib/TargetParser/ARMTargetParser.cpp
+++ b/llvm/lib/TargetParser/ARMTargetParser.cpp
@@ -147,7 +147,8 @@ ARM::ProfileKind ARM::parseArchProfile(StringRef Arch) {
   return getProfileKind(parseArch(Arch));
 }
 
-bool ARM::getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features) {
+bool ARM::getFPUFeatures(ARM::FPUKind FPUKind,
+                         std::vector<StringRef> &Features) {
 
   if (FPUKind >= FK_LAST || FPUKind == FK_INVALID)
     return false;
@@ -211,7 +212,7 @@ bool ARM::getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features) {
   return true;
 }
 
-unsigned ARM::parseFPU(StringRef FPU) {
+ARM::FPUKind ARM::parseFPU(StringRef FPU) {
   StringRef Syn = getFPUSynonym(FPU);
   for (const auto &F : FPUNames) {
     if (Syn == F.Name)
@@ -220,7 +221,7 @@ unsigned ARM::parseFPU(StringRef FPU) {
   return FK_INVALID;
 }
 
-ARM::NeonSupportLevel ARM::getFPUNeonSupportLevel(unsigned FPUKind) {
+ARM::NeonSupportLevel ARM::getFPUNeonSupportLevel(ARM::FPUKind FPUKind) {
   if (FPUKind >= FK_LAST)
     return NeonSupportLevel::None;
   return FPUNames[FPUKind].NeonSupport;
@@ -243,33 +244,33 @@ StringRef ARM::getFPUSynonym(StringRef FPU) {
       .Default(FPU);
 }
 
-StringRef ARM::getFPUName(unsigned FPUKind) {
+StringRef ARM::getFPUName(ARM::FPUKind FPUKind) {
   if (FPUKind >= FK_LAST)
     return StringRef();
   return FPUNames[FPUKind].Name;
 }
 
-ARM::FPUVersion ARM::getFPUVersion(unsigned FPUKind) {
+ARM::FPUVersion ARM::getFPUVersion(ARM::FPUKind FPUKind) {
   if (FPUKind >= FK_LAST)
     return FPUVersion::NONE;
   return FPUNames[FPUKind].FPUVer;
 }
 
-ARM::FPURestriction ARM::getFPURestriction(unsigned FPUKind) {
+ARM::FPURestriction ARM::getFPURestriction(ARM::FPUKind FPUKind) {
   if (FPUKind >= FK_LAST)
     return FPURestriction::None;
   return FPUNames[FPUKind].Restriction;
 }
 
-unsigned ARM::getDefaultFPU(StringRef CPU, ARM::ArchKind AK) {
+ARM::FPUKind ARM::getDefaultFPU(StringRef CPU, ARM::ArchKind AK) {
   if (CPU == "generic")
     return ARM::ARMArchNames[static_cast<unsigned>(AK)].DefaultFPU;
 
-  return StringSwitch<unsigned>(CPU)
+  return StringSwitch<ARM::FPUKind>(CPU)
 #define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT)           \
   .Case(NAME, DEFAULT_FPU)
 #include "llvm/TargetParser/ARMTargetParser.def"
-   .Default(ARM::FK_INVALID);
+      .Default(ARM::FK_INVALID);
 }
 
 uint64_t ARM::getDefaultExtensions(StringRef CPU, ARM::ArchKind AK) {
@@ -362,7 +363,7 @@ StringRef ARM::getArchExtFeature(StringRef ArchExt) {
   return StringRef();
 }
 
-static unsigned findDoublePrecisionFPU(unsigned InputFPUKind) {
+static ARM::FPUKind findDoublePrecisionFPU(ARM::FPUKind InputFPUKind) {
   const ARM::FPUName &InputFPU = ARM::FPUNames[InputFPUKind];
 
   // If the input FPU already supports double-precision, then there
@@ -394,7 +395,7 @@ static unsigned findDoublePrecisionFPU(unsigned InputFPUKind) {
 bool ARM::appendArchExtFeatures(StringRef CPU, ARM::ArchKind AK,
                                 StringRef ArchExt,
                                 std::vector<StringRef> &Features,
-                                unsigned &ArgFPUID) {
+                                ARM::FPUKind &ArgFPUKind) {
 
   size_t StartingNumFeatures = Features.size();
   const bool Negated = stripNegationPrefix(ArchExt);
@@ -417,7 +418,7 @@ bool ARM::appendArchExtFeatures(StringRef CPU, ARM::ArchKind AK,
     CPU = "generic";
 
   if (ArchExt == "fp" || ArchExt == "fp.dp") {
-    unsigned FPUKind;
+    ARM::FPUKind FPUKind;
     if (ArchExt == "fp.dp") {
       if (Negated) {
         Features.push_back("-fp64");
@@ -429,7 +430,7 @@ bool ARM::appendArchExtFeatures(StringRef CPU, ARM::ArchKind AK,
     } else {
       FPUKind = getDefaultFPU(CPU, AK);
     }
-    ArgFPUID = FPUKind;
+    ArgFPUKind = FPUKind;
     return ARM::getFPUFeatures(FPUKind, Features);
   }
   return StartingNumFeatures != Features.size();

diff  --git a/llvm/unittests/TargetParser/TargetParserTest.cpp b/llvm/unittests/TargetParser/TargetParserTest.cpp
index e83f544d0fba5..741d5a2d4b480 100644
--- a/llvm/unittests/TargetParser/TargetParserTest.cpp
+++ b/llvm/unittests/TargetParser/TargetParserTest.cpp
@@ -120,7 +120,7 @@ TEST_P(ARMCPUTestFixture, ARMCPUTests) {
   ARM::ArchKind AK = ARM::parseCPUArch(params.CPUName);
   EXPECT_EQ(params.ExpectedArch, ARM::getArchName(AK));
 
-  unsigned FPUKind = ARM::getDefaultFPU(params.CPUName, AK);
+  ARM::FPUKind FPUKind = ARM::getDefaultFPU(params.CPUName, AK);
   EXPECT_EQ(params.ExpectedFPU, ARM::getFPUName(FPUKind));
 
   uint64_t default_extensions = ARM::getDefaultExtensions(params.CPUName, AK);
@@ -765,10 +765,10 @@ static bool
 testArchExtDependency(const char *ArchExt,
                       const std::initializer_list<const char *> &Expected) {
   std::vector<StringRef> Features;
-  unsigned FPUID;
+  ARM::FPUKind FPUKind;
 
   if (!ARM::appendArchExtFeatures("", ARM::ArchKind::ARMV8_1MMainline, ArchExt,
-                                  Features, FPUID))
+                                  Features, FPUKind))
     return false;
 
   return llvm::all_of(Expected, [&](StringRef Ext) {


        


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