1 # RUN: llc -mtriple=aarch64-linux-gnu -run-pass peephole-opt -o - %s | FileCheck %s 2 # CHECK: %1:gpr32common = ANDWri {{.*}} 3 # CHECK-NEXT: $wzr = SUBSWri {{.*}} 4 --- | 5 define i32 @test01() nounwind { 6 entry: 7 %0 = select i1 true, i32 1, i32 0 8 %1 = and i32 %0, 65535 9 %2 = icmp ugt i32 %1, 0 10 br i1 %2, label %if.then, label %if.end 11 12 if.then: ; preds = %entry 13 ret i32 1 14 15 if.end: ; preds = %entry 16 ret i32 0 17 } 18 ... 19 --- 20 name: test01 21 registers: 22 - { id: 0, class: gpr32 } 23 - { id: 1, class: gpr32common } 24 body: | 25 bb.0.entry: 26 successors: %bb.2.if.end, %bb.1.if.then 27 28 %0 = MOVi32imm 1 29 %1 = ANDWri killed %1, 15 30 $wzr = SUBSWri killed %1, 0, 0, implicit-def $nzcv 31 Bcc 9, %bb.2.if.end, implicit $nzcv 32 33 bb.1.if.then: 34 $w0 = MOVi32imm 1 35 RET_ReallyLR implicit $w0 36 37 bb.2.if.end: 38 $w0 = MOVi32imm 0 39 RET_ReallyLR implicit $w0 40 41 ... 42
