llvm/test/CodeGen/AArch64/fast-isel-cmp-vec.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -verify-machineinstrs \
; RUN:   -aarch64-enable-atomic-cfg-tidy=0 -disable-cgp -disable-branch-fold \
; RUN:   < %s | FileCheck %s

;
; Verify that we don't mess up vector comparisons in fast-isel.
;

define <2 x i32> @icmp_v2i32(<2 x i32> %a) {
; CHECK-LABEL: icmp_v2i32:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    cmeq.2s v0, v0, #0
; CHECK-NEXT:  ; %bb.1: ; %bb2
; CHECK-NEXT:    movi.2s v1, #1
; CHECK-NEXT:    and.8b v0, v0, v1
; CHECK-NEXT:    ret
  %c = icmp eq <2 x i32> %a, zeroinitializer
  br label %bb2
bb2:
  %z = zext <2 x i1> %c to <2 x i32>
  ret <2 x i32> %z
}

define <2 x i32> @icmp_constfold_v2i32(<2 x i32> %a) {
; CHECK-LABEL: icmp_constfold_v2i32:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    movi.2s v0, #1
; CHECK-NEXT:    ret
  %1 = icmp eq <2 x i32> %a, %a
  br label %bb2
bb2:
  %2 = zext <2 x i1> %1 to <2 x i32>
  ret <2 x i32> %2
}

define <4 x i32> @icmp_v4i32(<4 x i32> %a) {
; CHECK-LABEL: icmp_v4i32:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    cmeq.4s v0, v0, #0
; CHECK-NEXT:    xtn.4h v0, v0
; CHECK-NEXT:  ; %bb.1: ; %bb2
; CHECK-NEXT:    movi.4h v1, #1
; CHECK-NEXT:    and.8b v0, v0, v1
; CHECK-NEXT:    ushll.4s v0, v0, #0
; CHECK-NEXT:    ret
  %c = icmp eq <4 x i32> %a, zeroinitializer
  br label %bb2
bb2:
  %z = zext <4 x i1> %c to <4 x i32>
  ret <4 x i32> %z
}

define <4 x i32> @icmp_constfold_v4i32(<4 x i32> %a) {
; CHECK-LABEL: icmp_constfold_v4i32:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    movi.4h v0, #1
; CHECK-NEXT:    ushll.4s v0, v0, #0
; CHECK-NEXT:    ret
  %1 = icmp eq <4 x i32> %a, %a
  br label %bb2
bb2:
  %2 = zext <4 x i1> %1 to <4 x i32>
  ret <4 x i32> %2
}

define <16 x i8> @icmp_v16i8(<16 x i8> %a) {
; CHECK-LABEL: icmp_v16i8:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    cmeq.16b v0, v0, #0
; CHECK-NEXT:  ; %bb.1: ; %bb2
; CHECK-NEXT:    movi.16b v1, #1
; CHECK-NEXT:    and.16b v0, v0, v1
; CHECK-NEXT:    ret
  %c = icmp eq <16 x i8> %a, zeroinitializer
  br label %bb2
bb2:
  %z = zext <16 x i1> %c to <16 x i8>
  ret <16 x i8> %z
}

define <16 x i8> @icmp_constfold_v16i8(<16 x i8> %a) {
; CHECK-LABEL: icmp_constfold_v16i8:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    movi.16b v0, #1
; CHECK-NEXT:    ret
  %1 = icmp eq <16 x i8> %a, %a
  br label %bb2
bb2:
  %2 = zext <16 x i1> %1 to <16 x i8>
  ret <16 x i8> %2
}