Let PerfRegisterInfo::defaultArchitecture return QStringLiteral

This way we don't need to runtime allocate a QString for this
anymore.

Change-Id: Ibfed14dc563934edc7453221cd764f35a54870ee
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

3 files changed, 11 insertions, 11 deletions

diff --git a/app/main.cpp b/app/main.cpp
index 475b156..519183b 100644
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -148,7 +148,7 @@ int main(int argc, char *argv[])
         QStringLiteral("path"));
     parser.addOption(appPath);
 
-    const auto defaultArch = QLatin1String(PerfRegisterInfo::defaultArchitecture());
+    const auto defaultArch = PerfRegisterInfo::defaultArchitecture();
     QCommandLineOption arch(
         QStringLiteral("arch"),
         QCoreApplication::translate("main",
diff --git a/app/perfregisterinfo.cpp b/app/perfregisterinfo.cpp
index 08213bd..bf196ab 100644
--- a/app/perfregisterinfo.cpp
+++ b/app/perfregisterinfo.cpp
@@ -110,24 +110,24 @@ const int PerfRegisterInfo::s_dummyRegisters[ARCH_INVALID][2] = {
     {0, 0}
 };
 
-const char *PerfRegisterInfo::defaultArchitecture()
+QString PerfRegisterInfo::defaultArchitecture()
 {
 #if defined(__aarch64__)
-    return "aarch64";
+    return QStringLiteral("aarch64");
 #elif defined(__arm__)
-    return "arm";
+    return QStringLiteral("arm");
 #elif defined(__powerpc__)
-    return "powerpc";
+    return QStringLiteral("powerpc");
 #elif defined(__s390__)
-    return "s390";
+    return QStringLiteral("s390");
 #elif defined(__sh__)
-    return "sh";
+    return QStringLiteral("sh");
 #elif defined(__sparc__)
-    return "sparc";
+    return QStringLiteral("sparc");
 #elif defined(__i386__) || defined(__x86_64__)
-    return "x86";
+    return QStringLiteral("x86");
 #else
-    return "";
+    return QString();
 #endif
 }
 
diff --git a/app/perfregisterinfo.h b/app/perfregisterinfo.h
index 2274925..3e5a55b 100644
--- a/app/perfregisterinfo.h
+++ b/app/perfregisterinfo.h
@@ -62,5 +62,5 @@ public:
     static const int s_dummyRegisters[ARCH_INVALID][2];
 
     // default architecture for the system which was used for compilation
-    static const char *defaultArchitecture();
+    static QString defaultArchitecture();
 };