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; RUN: llc -mattr=+sme -stop-after=finalize-isel < %s | FileCheck %s
target triple = "aarch64"
; Check that we don't define VG for 'smstart za' and 'smstop za'
define void @smstart_za() "aarch64_new_za" nounwind {
; CHECK-LABEL: name: smstart_za
; CHECK-NOT: implicit-def {{[^,]*}}$vg
ret void
}
; Check that we do define VG for 'smstart sm' and 'smstop sm'
define void @smstart_sm() nounwind {
; CHECK-LABEL: name: smstart_sm
; CHECK: MSRpstatesvcrImm1 1, 1,
; CHECK-SAME: implicit-def {{[^,]*}}$vg
; CHECK: MSRpstatesvcrImm1 1, 0,
; CHECK-SAME: implicit-def {{[^,]*}}$vg
call void @require_sm()
ret void
}
declare void @require_sm() "aarch64_pstate_sm_enabled"
declare void @require_za() "aarch64_inout_za"
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