# RUN: rm -f %S/arm64-regress-opt-cmp.s # RUN: llc -mtriple=aarch64-linux-gnu -run-pass peephole-opt -o - %s 2>&1 | FileCheck %s # CHECK: %1 = ANDWri {{.*}} # CHECK-NEXT: %wzr = SUBSWri {{.*}} --- | define i32 @test01() nounwind { entry: %0 = select i1 true, i32 1, i32 0 %1 = and i32 %0, 65535 %2 = icmp ugt i32 %1, 0 br i1 %2, label %if.then, label %if.end if.then: ; preds = %entry ret i32 1 if.end: ; preds = %entry ret i32 0 } ... --- name: test01 registers: - { id: 0, class: gpr32 } - { id: 1, class: gpr32common } body: | bb.0.entry: successors: %bb.2.if.end, %bb.1.if.then %0 = MOVi32imm 1 %1 = ANDWri killed %1, 15 %wzr = SUBSWri killed %1, 0, 0, implicit-def %nzcv Bcc 9, %bb.2.if.end, implicit %nzcv bb.1.if.then: %w0 = MOVi32imm 1 RET_ReallyLR implicit %w0 bb.2.if.end: %w0 = MOVi32imm 0 RET_ReallyLR implicit %w0 ...