Implement eh.sjlj.longjmp for ARM. Clean up the intrinsic a bit.
Followups: docs patch for the builtin and eh.sjlj.setjmp cleanup to match
longjmp.
llvm-svn: 104419
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index 508a143..cdac792 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -46,6 +46,7 @@
def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
SDTCisInt<2>]>;
+def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
@@ -101,6 +102,8 @@
def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
+def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
+ SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
[SDNPHasChain]>;
@@ -2555,6 +2558,20 @@
Requires<[IsARM, NoVFP]>;
}
+// FIXME: Non-Darwin version(s)
+let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
+ Defs = [ R7, LR, SP ] in {
+def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
+ AddrModeNone, SizeSpecial, IndexModeNone,
+ Pseudo, NoItinerary,
+ "ldr\tsp, [$src, #8]\n\t"
+ "ldr\t$scratch, [$src, #4]\n\t"
+ "ldr\tr7, [$src]\n\t"
+ "bx\t$scratch", "",
+ [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
+ Requires<[IsARM, IsDarwin]>;
+}
+
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//