derek.holloway
7502bf64a4
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172 lines
6.3 KiB
LLVM
172 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O0 -mtriple=aarch64 -mattr=+sve < %s | FileCheck %s --check-prefixes=CHECK,CHECK-O0
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; RUN: llc -O3 -mtriple=aarch64 -mattr=+sve < %s | FileCheck %s --check-prefixes=CHECK,CHECK-O3
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;
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; Test simple loads, stores and return.
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;
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define target("aarch64.svcount") @test_load(ptr %ptr) nounwind {
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; CHECK-LABEL: test_load:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldr p0, [x0]
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; CHECK-NEXT: ret
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%res = load target("aarch64.svcount"), ptr %ptr
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ret target("aarch64.svcount") %res
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}
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define void @test_store(ptr %ptr, target("aarch64.svcount") %val) nounwind {
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; CHECK-LABEL: test_store:
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; CHECK: // %bb.0:
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; CHECK-NEXT: str p0, [x0]
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; CHECK-NEXT: ret
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store target("aarch64.svcount") %val, ptr %ptr
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ret void
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}
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define target("aarch64.svcount") @test_alloca_store_reload(target("aarch64.svcount") %val) nounwind {
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; CHECK-O0-LABEL: test_alloca_store_reload:
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; CHECK-O0: // %bb.0:
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; CHECK-O0-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-O0-NEXT: addvl sp, sp, #-1
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; CHECK-O0-NEXT: str p0, [sp, #7, mul vl]
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; CHECK-O0-NEXT: ldr p0, [sp, #7, mul vl]
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; CHECK-O0-NEXT: addvl sp, sp, #1
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; CHECK-O0-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload
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; CHECK-O0-NEXT: ret
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;
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; CHECK-O3-LABEL: test_alloca_store_reload:
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; CHECK-O3: // %bb.0:
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; CHECK-O3-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-O3-NEXT: addvl sp, sp, #-1
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; CHECK-O3-NEXT: str p0, [sp, #7, mul vl]
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; CHECK-O3-NEXT: addvl sp, sp, #1
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; CHECK-O3-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload
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; CHECK-O3-NEXT: ret
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%ptr = alloca target("aarch64.svcount"), align 1
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store target("aarch64.svcount") %val, ptr %ptr
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%res = load target("aarch64.svcount"), ptr %ptr
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ret target("aarch64.svcount") %res
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}
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;
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; Test passing as arguments (from perspective of callee)
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;
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define target("aarch64.svcount") @test_return_arg1(target("aarch64.svcount") %arg0, target("aarch64.svcount") %arg1) nounwind {
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; CHECK-LABEL: test_return_arg1:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov p0.b, p1.b
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; CHECK-NEXT: ret
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ret target("aarch64.svcount") %arg1
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}
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define target("aarch64.svcount") @test_return_arg4(target("aarch64.svcount") %arg0, target("aarch64.svcount") %arg1, target("aarch64.svcount") %arg2, target("aarch64.svcount") %arg3, target("aarch64.svcount") %arg4) nounwind {
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; CHECK-LABEL: test_return_arg4:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldr p0, [x0]
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; CHECK-NEXT: ret
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ret target("aarch64.svcount") %arg4
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}
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;
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; Test passing as arguments (from perspective of caller)
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;
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declare void @take_svcount_1(target("aarch64.svcount") %arg)
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define void @test_pass_1arg(target("aarch64.svcount") %arg) nounwind {
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; CHECK-LABEL: test_pass_1arg:
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; CHECK: // %bb.0:
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; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-NEXT: bl take_svcount_1
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; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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call void @take_svcount_1(target("aarch64.svcount") %arg)
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ret void
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}
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declare void @take_svcount_5(target("aarch64.svcount") %arg0, target("aarch64.svcount") %arg1, target("aarch64.svcount") %arg2, target("aarch64.svcount") %arg3, target("aarch64.svcount") %arg4)
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define void @test_pass_5args(target("aarch64.svcount") %arg) nounwind {
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; CHECK-O0-LABEL: test_pass_5args:
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; CHECK-O0: // %bb.0:
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; CHECK-O0-NEXT: stp x29, x30, [sp, #-16]! // 16-byte Folded Spill
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; CHECK-O0-NEXT: addvl sp, sp, #-1
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; CHECK-O0-NEXT: mov p3.b, p0.b
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; CHECK-O0-NEXT: str p3, [sp, #7, mul vl]
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; CHECK-O0-NEXT: addpl x0, sp, #7
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; CHECK-O0-NEXT: mov p0.b, p3.b
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; CHECK-O0-NEXT: mov p1.b, p3.b
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; CHECK-O0-NEXT: mov p2.b, p3.b
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; CHECK-O0-NEXT: bl take_svcount_5
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; CHECK-O0-NEXT: addvl sp, sp, #1
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; CHECK-O0-NEXT: ldp x29, x30, [sp], #16 // 16-byte Folded Reload
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; CHECK-O0-NEXT: ret
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;
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; CHECK-O3-LABEL: test_pass_5args:
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; CHECK-O3: // %bb.0:
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; CHECK-O3-NEXT: stp x29, x30, [sp, #-16]! // 16-byte Folded Spill
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; CHECK-O3-NEXT: addvl sp, sp, #-1
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; CHECK-O3-NEXT: mov p1.b, p0.b
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; CHECK-O3-NEXT: addpl x0, sp, #7
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; CHECK-O3-NEXT: str p0, [sp, #7, mul vl]
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; CHECK-O3-NEXT: mov p2.b, p0.b
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; CHECK-O3-NEXT: mov p3.b, p0.b
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; CHECK-O3-NEXT: bl take_svcount_5
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; CHECK-O3-NEXT: addvl sp, sp, #1
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; CHECK-O3-NEXT: ldp x29, x30, [sp], #16 // 16-byte Folded Reload
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; CHECK-O3-NEXT: ret
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call void @take_svcount_5(target("aarch64.svcount") %arg, target("aarch64.svcount") %arg, target("aarch64.svcount") %arg, target("aarch64.svcount") %arg, target("aarch64.svcount") %arg)
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ret void
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}
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define target("aarch64.svcount") @test_sel(target("aarch64.svcount") %x, target("aarch64.svcount") %y, i1 %cmp) {
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; CHECK-O0-LABEL: test_sel:
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; CHECK-O0: // %bb.0:
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; CHECK-O0-NEXT: mov p2.b, p1.b
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; CHECK-O0-NEXT: mov p1.b, p0.b
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; CHECK-O0-NEXT: // implicit-def: $x8
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; CHECK-O0-NEXT: mov w8, w0
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; CHECK-O0-NEXT: sbfx x9, x8, #0, #1
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; CHECK-O0-NEXT: mov x8, xzr
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; CHECK-O0-NEXT: whilelo p0.b, x8, x9
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; CHECK-O0-NEXT: sel p0.b, p0, p1.b, p2.b
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; CHECK-O0-NEXT: ret
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;
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; CHECK-O3-LABEL: test_sel:
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; CHECK-O3: // %bb.0:
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; CHECK-O3-NEXT: // kill: def $w0 killed $w0 def $x0
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; CHECK-O3-NEXT: sbfx x8, x0, #0, #1
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; CHECK-O3-NEXT: whilelo p2.b, xzr, x8
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; CHECK-O3-NEXT: sel p0.b, p2, p0.b, p1.b
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; CHECK-O3-NEXT: ret
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%x.y = select i1 %cmp, target("aarch64.svcount") %x, target("aarch64.svcount") %y
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ret target("aarch64.svcount") %x.y
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}
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define target("aarch64.svcount") @test_sel_cc(target("aarch64.svcount") %x, target("aarch64.svcount") %y, i32 %k) {
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; CHECK-O0-LABEL: test_sel_cc:
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; CHECK-O0: // %bb.0:
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; CHECK-O0-NEXT: mov p2.b, p1.b
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; CHECK-O0-NEXT: mov p1.b, p0.b
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; CHECK-O0-NEXT: subs w8, w0, #42
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; CHECK-O0-NEXT: cset w9, gt
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; CHECK-O0-NEXT: // implicit-def: $x8
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; CHECK-O0-NEXT: mov w8, w9
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; CHECK-O0-NEXT: sbfx x9, x8, #0, #1
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; CHECK-O0-NEXT: mov x8, xzr
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; CHECK-O0-NEXT: whilelo p0.b, x8, x9
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; CHECK-O0-NEXT: sel p0.b, p0, p1.b, p2.b
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; CHECK-O0-NEXT: ret
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;
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; CHECK-O3-LABEL: test_sel_cc:
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; CHECK-O3: // %bb.0:
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; CHECK-O3-NEXT: cmp w0, #42
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; CHECK-O3-NEXT: cset w8, gt
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; CHECK-O3-NEXT: sbfx x8, x8, #0, #1
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; CHECK-O3-NEXT: whilelo p2.b, xzr, x8
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; CHECK-O3-NEXT: sel p0.b, p2, p0.b, p1.b
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; CHECK-O3-NEXT: ret
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%cmp = icmp sgt i32 %k, 42
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%x.y = select i1 %cmp, target("aarch64.svcount") %x, target("aarch64.svcount") %y
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ret target("aarch64.svcount") %x.y
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}
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