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| author | Jim Grosbach <grosbach@apple.com> | 2010-10-19 23:27:08 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-10-19 23:27:08 +0000 |
| commit | bbdc5d2ef94c65d729b5144799af9d9bc0a643b7 (patch) | |
| tree | e8c3b8099f699fb02e6151637e86de34ad6a02c0 /llvm/lib/Target/ARM/ARMInstrInfo.td | |
| parent | 913c4fa15b6808b38453e90ea2269807a24defd6 (diff) | |
| download | bcm5719-llvm-bbdc5d2ef94c65d729b5144799af9d9bc0a643b7.tar.gz bcm5719-llvm-bbdc5d2ef94c65d729b5144799af9d9bc0a643b7.zip | |
Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any
setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268
llvm-svn: 116879
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrInfo.td | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td index b00a526fb81..df698f9e21f 100644 --- a/llvm/lib/Target/ARM/ARMInstrInfo.td +++ b/llvm/lib/Target/ARM/ARMInstrInfo.td @@ -58,6 +58,8 @@ 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_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>; + def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>; def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>; def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>; @@ -122,7 +124,10 @@ def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>; def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>; def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP", - SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>; + SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>; +def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP", + SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>; + def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER, [SDNPHasChain]>; @@ -3010,6 +3015,16 @@ def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch), Requires<[IsARM, IsDarwin]>; } +// eh.sjlj.dispatchsetup pseudo-instruction. +// This pseudo is usef for ARM, Thumb1 and Thumb2. Any differences are +// handled when the pseudo is expanded (which happens before any passes +// that need the instruction size). +let isBarrier = 1, hasSideEffects = 1 in +def Int_eh_sjlj_dispatchsetup : + PseudoInst<(outs), (ins GPR:$src), NoItinerary, "", + [(ARMeh_sjlj_dispatchsetup GPR:$src)]>, + Requires<[IsDarwin]>; + //===----------------------------------------------------------------------===// // Non-Instruction Patterns // |
