1 # RUN: llc -mtriple=aarch64 -run-pass machinelicm -verify-machineinstrs -o - %s | FileCheck %s 2 --- 3 name: test 4 tracksRegLiveness: true 5 registers: 6 - { id: 0, class: gpr64 } 7 stack: 8 - { id: 0, size: 8, type: spill-slot } 9 body: | 10 bb.0: 11 ; CHECK-LABEL: name: test 12 ; CHECK-LABEL: bb.0: 13 ; CHECK: $x2 = LDRXui %stack.0, 0 14 liveins: $x0, $x1, $x2 15 B %bb.1 16 17 bb.1: 18 ; CHECK-LABEL: bb.1: 19 ; CHECK-NOT: $x2 = LDRXui %stack.0, 0 20 liveins: $x0 21 DBG_VALUE %stack.0, 0 22 $x2 = LDRXui %stack.0, 0 :: (load 8 from %stack.0) 23 $x0 = ADDXrr $x0, $x2 24 $xzr = SUBSXri $x0, 1, 0, implicit-def $nzcv 25 Bcc 11, %bb.1, implicit $nzcv 26 B %bb.2 27 28 bb.2: 29 liveins: $x0 30 %0 = COPY $x0 31 %0 = COPY $x0 ; Force isSSA = false. 32 ... 33
