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Diffstat (limited to 'llvm/lib/CodeGen/LLVMTargetMachine.cpp')
-rw-r--r--llvm/lib/CodeGen/LLVMTargetMachine.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LLVMTargetMachine.cpp b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
index 7ec8390..87a17b8 100644
--- a/llvm/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/llvm/lib/CodeGen/LLVMTargetMachine.cpp
@@ -37,6 +37,11 @@ static cl::opt<bool>
EnableTrapUnreachable("trap-unreachable", cl::Hidden,
cl::desc("Enable generating trap for unreachable"));
+static cl::opt<bool> EnableNoTrapAfterNoreturn(
+ "no-trap-after-noreturn", cl::Hidden,
+ cl::desc("Do not emit a trap instruction for 'unreachable' IR instructions "
+ "after noreturn calls, even if --trap-unreachable is set."));
+
void LLVMTargetMachine::initAsmInfo() {
MRI.reset(TheTarget.createMCRegInfo(getTargetTriple().str()));
assert(MRI && "Unable to create reg info");
@@ -95,6 +100,8 @@ LLVMTargetMachine::LLVMTargetMachine(const Target &T,
if (EnableTrapUnreachable)
this->Options.TrapUnreachable = true;
+ if (EnableNoTrapAfterNoreturn)
+ this->Options.NoTrapAfterNoreturn = true;
}
TargetTransformInfo