[llvm-commits] [llvm] r162217 - /llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.cpp

[Sebastian Pop]

Author: spop
Date: Mon Aug 20 14:56:47 2012
New Revision: 162217

URL: http://llvm.org/viewvc/llvm-project?rev=162217&view=rev
Log:
fix HexagonSubtarget parsing of -mv flag

Modified:
    llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.cpp

Modified: llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.cpp?rev=162217&r1=162216&r2=162217&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.cpp Mon Aug 20 14:56:47 2012
@@ -40,28 +40,27 @@
 
 HexagonSubtarget::HexagonSubtarget(StringRef TT, StringRef CPU, StringRef FS):
   HexagonGenSubtargetInfo(TT, CPU, FS),
-  HexagonArchVersion(V2),
   CPUString(CPU.str()) {
-  ParseSubtargetFeatures(CPU, FS);
 
-  switch(HexagonArchVersion) {
-  case HexagonSubtarget::V2:
-    break;
-  case HexagonSubtarget::V3:
-    EnableV3 = true;
-    break;
-  case HexagonSubtarget::V4:
-    break;
-  case HexagonSubtarget::V5:
-    break;
-  default:
-    // If the programmer has not specified a Hexagon version, default
-    // to -mv4.
+  // If the programmer has not specified a Hexagon version, default to -mv4.
+  if (CPUString.empty())
     CPUString = "hexagonv4";
-    HexagonArchVersion = HexagonSubtarget::V4;
-    break;
+
+  if (CPUString == "hexagonv2") {
+    HexagonArchVersion = V2;
+  } else if (CPUString == "hexagonv3") {
+    EnableV3 = true;
+    HexagonArchVersion = V3;
+  } else if (CPUString == "hexagonv4") {
+    HexagonArchVersion = V4;
+  } else if (CPUString == "hexagonv5") {
+    HexagonArchVersion = V5;
+  } else {
+    llvm_unreachable("Unrecognized Hexagon processor version");
   }
 
+  ParseSubtargetFeatures(CPUString, FS);
+
   // Initialize scheduling itinerary for the specified CPU.
   InstrItins = getInstrItineraryForCPU(CPUString);