Implement LLVM intrinsics `llvm.setjmp' and `llvm.longjmp' as follows:
* setjmp() simply returns 0
* longjmp() simply calls abort()
llvm-svn: 7676
diff --git a/llvm/lib/Target/Sparc/SparcInstrSelection.cpp b/llvm/lib/Target/Sparc/SparcInstrSelection.cpp
index 1654c55..e35024b 100644
--- a/llvm/lib/Target/Sparc/SparcInstrSelection.cpp
+++ b/llvm/lib/Target/Sparc/SparcInstrSelection.cpp
@@ -16,10 +16,8 @@
#include "llvm/CodeGen/MachineFunctionInfo.h"
#include "llvm/CodeGen/MachineCodeForInstruction.h"
#include "llvm/DerivedTypes.h"
-#include "llvm/iTerminators.h"
-#include "llvm/iMemory.h"
-#include "llvm/iOther.h"
-#include "llvm/Function.h"
+#include "llvm/Instructions.h"
+#include "llvm/Module.h"
#include "llvm/Constants.h"
#include "llvm/ConstantHandling.h"
#include "llvm/Intrinsics.h"
@@ -1435,6 +1433,22 @@
addReg(callInstr.getOperand(1)));
return true;
+ case LLVMIntrinsic::setjmp: {
+ // act as if we return 0
+ unsigned g0 = target.getRegInfo().getZeroRegNum();
+ mvec.push_back(BuildMI(V9::ORr,3).addMReg(g0).addMReg(g0)
+ .addReg(&callInstr, MOTy::Def));
+ return true;
+ }
+
+ case LLVMIntrinsic::longjmp: {
+ // call abort()
+ Module* M = callInstr.getParent()->getParent()->getParent();
+ Function *F = M->getNamedFunction("abort");
+ mvec.push_back(BuildMI(V9::CALL, 1).addReg(F));
+ return true;
+ }
+
default:
return false;
}