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-rw-r--r--llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
index 85a69c93a95..819c9841707 100644
--- a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -91,6 +91,10 @@ static cl::opt<bool> EnableVectorPrint("enable-hexagon-vector-print",
cl::Hidden, cl::ZeroOrMore, cl::init(false),
cl::desc("Enable Hexagon Vector print instr pass"));
+static cl::opt<bool> EnableTrapUnreachable("hexagon-trap-unreachable",
+ cl::Hidden, cl::ZeroOrMore, cl::init(false),
+ cl::desc("Enable generating trap for unreachable"));
+
/// HexagonTargetMachineModule - Note that this is used on hosts that
/// cannot link in a library unless there are references into the
/// library. In particular, it seems that it is not possible to get
@@ -195,6 +199,8 @@ HexagonTargetMachine::HexagonTargetMachine(const Target &T, const Triple &TT,
TT, CPU, FS, Options, getEffectiveRelocModel(RM),
getEffectiveCodeModel(CM), (HexagonNoOpt ? CodeGenOpt::None : OL)),
TLOF(make_unique<HexagonTargetObjectFile>()) {
+ if (EnableTrapUnreachable)
+ this->Options.TrapUnreachable = true;
initializeHexagonExpandCondsetsPass(*PassRegistry::getPassRegistry());
initAsmInfo();
}
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