1 # RUN: llc -mtriple=aarch64--linux-gnu -run-pass=aarch64-ldst-opt %s -verify-machineinstrs -o - | FileCheck %s 2 --- | 3 define void @ldr_str_aa(i32* noalias nocapture %x, i32* noalias nocapture readonly %y) { 4 entry: 5 %0 = load i32, i32* %y, align 4 6 store i32 %0, i32* %x, align 4 7 %arrayidx2 = getelementptr inbounds i32, i32* %y, i32 1 8 %1 = load i32, i32* %arrayidx2, align 4 9 %arrayidx3 = getelementptr inbounds i32, i32* %x, i32 1 10 store i32 %1, i32* %arrayidx3, align 4 11 ret void 12 } 13 14 ... 15 --- 16 # CHECK-LABEL: name: ldr_str_aa 17 # CHECK: $w8, $w9 = LDPWi $x1, 0 18 # CHECK: STPWi $w8, $w9, $x0, 0 19 name: ldr_str_aa 20 tracksRegLiveness: true 21 body: | 22 bb.0.entry: 23 liveins: $x0, $x1 24 25 $w8 = LDRWui $x1, 0 :: (load 4 from %ir.y) 26 STRWui killed $w8, $x0, 0 :: (store 4 into %ir.x) 27 $w9 = LDRWui killed $x1, 1 :: (load 4 from %ir.arrayidx2) 28 STRWui killed $w9, killed $x0, 1 :: (store 4 into %ir.arrayidx3) 29 RET undef $lr 30 31
