================
@@ -221,6 +224,15 @@ def : Pat<(AArch64_smstop (i32 svcr_op:$pstate), (i64
/*AArch64SME::Always*/0)),
(MSRpstatesvcrImm1 svcr_op:$pstate, 0b0)>;
+// Pseudo to insert cfi_offset/cfi_restore instructions. Used to save or
restore
+// the streaming value of VG around streaming-mode changes in locally-streaming
+// functions.
+def VGUnwindInfoPseudo :
+ Pseudo<(outs), (ins timm0_1:$save_restore), []>, Sched<[]>;
----------------
efriedma-quic wrote:
Is there a reason to make this one pseudo, instead of two? The two operations
have opposite semantics, and opcode space isn't that scarce.
https://github.com/llvm/llvm-project/pull/83301
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