Change -arm-trap-func= into a non-arm specific option. Now Intrinsic::trap is lowered into a call to the specified trap function at sdisel time.

llvm-svn: 129152

1 files changed, 11 insertions, 0 deletions

diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index 8c7330a77c7..93eae250dfc 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -211,6 +211,10 @@ UseDivMod("use-divmod-libcall",
   cl::desc("Use __{u}divmod libcalls for div / rem pairs"),
   cl::location(HasDivModLibcall),
   cl::init(false));
+static cl::opt<std::string>
+TrapFuncName("trap-func", cl::Hidden,
+  cl::desc("Emit a call to trap function rather than a trap instruction"),
+  cl::init(""));
 static cl::opt<bool>
 DataSections("fdata-sections",
   cl::desc("Emit data into separate sections"),
@@ -310,4 +314,11 @@ namespace llvm {
   bool HonorSignDependentRoundingFPMath() {
     return !UnsafeFPMath && HonorSignDependentRoundingFPMathOption;
   }
+
+  /// getTrapFunctionName - If this returns a non-empty string, this means isel
+  /// should lower Intrinsic::trap to a call to the specified function name
+  /// instead of an ISD::TRAP node.
+  StringRef getTrapFunctionName() {
+    return TrapFuncName;
+  }
 }