File: mtvsrc-mfvscr-PPCVSXSwapRemoval.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-unknown \
; RUN:   -mcpu=pwr8 -O2 < %s | FileCheck %s

define void @test_mtvscr() {
; CHECK-LABEL: test_mtvscr:
; CHECK:       # %bb.0: # %test_mtvscr_entry
; CHECK-NEXT:    addi 3, 1, -16
; CHECK-NEXT:    lxvd2x 0, 0, 3
; CHECK-NEXT:    xxswapd 34, 0
; CHECK-NEXT:    mtvscr 2
; CHECK-NEXT:    blr
test_mtvscr_entry:
  %0 = alloca <4 x i32>
  %1 = load <4 x i32>, ptr %0
  call void @llvm.ppc.altivec.mtvscr(<4 x i32> %1)
  ret void
}

define void @test_mfvscr() {
; CHECK-LABEL: test_mfvscr:
; CHECK:       # %bb.0: # %test_mfvscr_entry
; CHECK-NEXT:    mfvscr 2
; CHECK-NEXT:    addi 3, 1, -16
; CHECK-NEXT:    xxswapd 0, 34
; CHECK-NEXT:    stxvd2x 0, 0, 3
; CHECK-NEXT:    blr
test_mfvscr_entry:
  %0 = alloca <8 x i16>
  %1 = call <8 x i16> @llvm.ppc.altivec.mfvscr()
  store <8 x i16> %1, ptr %0
  ret void
}

declare void @llvm.ppc.altivec.mtvscr(<4 x i32>)

declare <8 x i16> @llvm.ppc.altivec.mfvscr()