diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Hexagon/trap-unreachable.ll | 8 |
2 files changed, 14 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(); } diff --git a/llvm/test/CodeGen/Hexagon/trap-unreachable.ll b/llvm/test/CodeGen/Hexagon/trap-unreachable.ll new file mode 100644 index 00000000000..74bc104afaf --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/trap-unreachable.ll @@ -0,0 +1,8 @@ +; RUN: llc -march=hexagon -hexagon-trap-unreachable < %s | FileCheck %s +; CHECK: call abort + +define void @fred() #0 { + unreachable +} + +attributes #0 = { nounwind } |
