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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/sme-new-za-zt0-no-tail-call.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

79 lines
2.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme2 -O3 -verify-machineinstrs < %s | FileCheck %s
declare void @inout_za_zt0() "aarch64_inout_za" "aarch64_inout_zt0"
define void @new_za_zt0() "aarch64_new_za" "aarch64_new_zt0" {
; CHECK-LABEL: new_za_zt0:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: mrs x8, TPIDR2_EL0
; CHECK-NEXT: cbz x8, .LBB0_2
; CHECK-NEXT: // %bb.1: // %entry
; CHECK-NEXT: bl __arm_tpidr2_save
; CHECK-NEXT: msr TPIDR2_EL0, xzr
; CHECK-NEXT: zero {za}
; CHECK-NEXT: zero { zt0 }
; CHECK-NEXT: .LBB0_2: // %entry
; CHECK-NEXT: smstart za
; CHECK-NEXT: bl inout_za_zt0
; CHECK-NEXT: smstop za
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
entry:
tail call void @inout_za_zt0()
ret void
}
declare void @inout_za() "aarch64_inout_za"
define void @new_za() "aarch64_new_za" {
; CHECK-LABEL: new_za:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: mrs x8, TPIDR2_EL0
; CHECK-NEXT: cbz x8, .LBB1_2
; CHECK-NEXT: // %bb.1: // %entry
; CHECK-NEXT: bl __arm_tpidr2_save
; CHECK-NEXT: msr TPIDR2_EL0, xzr
; CHECK-NEXT: zero {za}
; CHECK-NEXT: .LBB1_2: // %entry
; CHECK-NEXT: smstart za
; CHECK-NEXT: bl inout_za
; CHECK-NEXT: smstop za
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
entry:
tail call void @inout_za()
ret void
}
declare void @inout_zt0() "aarch64_inout_zt0"
define void @new_zt0() "aarch64_new_zt0" {
; CHECK-LABEL: new_zt0:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: mrs x8, TPIDR2_EL0
; CHECK-NEXT: cbz x8, .LBB2_2
; CHECK-NEXT: // %bb.1: // %entry
; CHECK-NEXT: bl __arm_tpidr2_save
; CHECK-NEXT: msr TPIDR2_EL0, xzr
; CHECK-NEXT: zero { zt0 }
; CHECK-NEXT: .LBB2_2: // %entry
; CHECK-NEXT: smstart za
; CHECK-NEXT: bl inout_zt0
; CHECK-NEXT: smstop za
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
entry:
tail call void @inout_zt0()
ret void
}