Remove a linear walk to find the default FPU for a given CPU by directly
expanding the .def file within a StringSwitch.
llvm-svn: 246377
diff --git a/llvm/lib/Support/TargetParser.cpp b/llvm/lib/Support/TargetParser.cpp
index 3280035..4f5d9ac 100644
--- a/llvm/lib/Support/TargetParser.cpp
+++ b/llvm/lib/Support/TargetParser.cpp
@@ -110,13 +110,12 @@
const char *NameCStr;
size_t NameLength;
ARM::ArchKind ArchID;
- ARM::FPUKind DefaultFPU;
bool Default; // is $Name the default CPU for $ArchID ?
StringRef getName() const { return StringRef(NameCStr, NameLength); }
} CPUNames[] = {
#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT) \
- { NAME, sizeof(NAME) - 1, ID, DEFAULT_FPU, IS_DEFAULT },
+ { NAME, sizeof(NAME) - 1, ID, IS_DEFAULT },
#include "llvm/Support/ARMTargetParser.def"
};
@@ -151,11 +150,11 @@
}
unsigned llvm::ARM::getDefaultFPU(StringRef CPU) {
- for (const auto C : CPUNames) {
- if (CPU == C.getName())
- return C.DefaultFPU;
- }
- return ARM::FK_INVALID;
+ return StringSwitch<unsigned>(CPU)
+#define ARM_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT) \
+ .Case(NAME, DEFAULT_FPU)
+#include "llvm/Support/ARMTargetParser.def"
+ .Default(ARM::FK_INVALID);
}
bool llvm::ARM::getHWDivFeatures(unsigned HWDivKind,