[llvm-commits] [llvm] r172475 - /llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
Quentin Colombet
qcolombet at apple.com
Mon Jan 14 13:34:09 PST 2013
Author: qcolombet
Date: Mon Jan 14 15:34:09 2013
New Revision: 172475
URL: http://llvm.org/viewvc/llvm-project?rev=172475&view=rev
Log:
Follow up of commit r172472.
Refactor the big if/else sequence into one string switch for ARM subtype selection.
Modified:
llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
Modified: llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp?rev=172475&r1=172474&r2=172475&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp (original)
+++ llvm/trunk/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp Mon Jan 14 15:34:09 2013
@@ -11,6 +11,7 @@
#include "MCTargetDesc/ARMAddressingModes.h"
#include "MCTargetDesc/ARMBaseInfo.h"
#include "MCTargetDesc/ARMFixupKinds.h"
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
@@ -663,34 +664,20 @@
Triple TheTriple(TT);
if (TheTriple.isOSDarwin()) {
- if (TheTriple.getArchName() == "armv4t" ||
- TheTriple.getArchName() == "thumbv4t")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V4T);
- else if (TheTriple.getArchName() == "armv5e" ||
- TheTriple.getArchName() == "thumbv5e")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V5TEJ);
- else if (TheTriple.getArchName() == "armv6" ||
- TheTriple.getArchName() == "thumbv6")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V6);
- else if (TheTriple.getArchName() == "armv6m" ||
- TheTriple.getArchName() == "thumbv6m")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V6M);
- else if (TheTriple.getArchName() == "armv7em" ||
- TheTriple.getArchName() == "thumbv7em")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V7EM);
- else if (TheTriple.getArchName() == "armv7f" ||
- TheTriple.getArchName() == "thumbv7f")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V7F);
- else if (TheTriple.getArchName() == "armv7k" ||
- TheTriple.getArchName() == "thumbv7k")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V7K);
- else if (TheTriple.getArchName() == "armv7m" ||
- TheTriple.getArchName() == "thumbv7m")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V7M);
- else if (TheTriple.getArchName() == "armv7s" ||
- TheTriple.getArchName() == "thumbv7s")
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V7S);
- return new DarwinARMAsmBackend(T, TT, object::mach::CSARM_V7);
+ object::mach::CPUSubtypeARM CS =
+ StringSwitch<object::mach::CPUSubtypeARM>(TheTriple.getArchName())
+ .Cases("armv4t", "thumbv4t", object::mach::CSARM_V4T)
+ .Cases("armv5e", "thumbv5e",object::mach::CSARM_V5TEJ)
+ .Cases("armv6", "thumbv6", object::mach::CSARM_V6)
+ .Cases("armv6m", "thumbv6m", object::mach::CSARM_V6M)
+ .Cases("armv7em", "thumbv7em", object::mach::CSARM_V7EM)
+ .Cases("armv7f", "thumbv7f", object::mach::CSARM_V7F)
+ .Cases("armv7k", "thumbv7k", object::mach::CSARM_V7K)
+ .Cases("armv7m", "thumbv7m", object::mach::CSARM_V7M)
+ .Cases("armv7s", "thumbv7s", object::mach::CSARM_V7S)
+ .Default(object::mach::CSARM_V7);
+
+ return new DarwinARMAsmBackend(T, TT, CS);
}
if (TheTriple.isOSWindows())
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