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default to use -mv4 when no version of Hexagon has been specified

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This fixes a bunch of make check failures of the form:

Unknown Architecture Version.
UNREACHABLE executed at ../lib/Target/Hexagon/HexagonSubtarget.cpp:60!

llvm-svn: 160518
This commit is contained in:
Sebastian Pop 2012-07-19 18:24:50 +00:00
parent 324d91f181
commit 07b782daeb
1 changed files with 5 additions and 1 deletions
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6
lib/Target/Hexagon/HexagonSubtarget.cpp
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@ -55,7 +55,11 @@ HexagonSubtarget::HexagonSubtarget(StringRef TT, StringRef CPU, StringRef FS):
case HexagonSubtarget::V5:
break;
default:
llvm_unreachable("Unknown Architecture Version.");
// If the programmer has not specified a Hexagon version, default
// to -mv4.
CPUString = "hexagonv4";
HexagonArchVersion = HexagonSubtarget::V4;
break;
}
// Initialize scheduling itinerary for the specified CPU.