; RUN: llc -o - %s -mattr=+macroop-fusion,+use-postra-scheduler | FileCheck %s ; RUN: llc -o - %s -mcpu=cyclone | FileCheck %s target triple = "arm64-apple-ios" declare void @foobar(i32 %v0, i32 %v1) ; Make sure sub is scheduled in front of cbnz ; CHECK-LABEL: test_sub_cbz: ; CHECK: add w[[ADDRES:[0-9]+]], w1, #7 ; CHECK: sub w[[SUBRES:[0-9]+]], w0, #13 ; CHECK-NEXT: cbnz w[[SUBRES]], [[SKIPBLOCK:LBB[0-9_]+]] ; CHECK: mov [[REGTY:[x,w]]]0, [[REGTY]][[ADDRES]] ; CHECK: mov [[REGTY]]1, [[REGTY]][[SUBRES]] ; CHECK: bl _foobar ; CHECK: [[SKIPBLOCK]]: ; CHECK: mov [[REGTY]]0, [[REGTY]][[SUBRES]] ; CHECK: mov [[REGTY]]1, [[REGTY]][[ADDRES]] ; CHECK: bl _foobar define void @test_sub_cbz(i32 %a0, i32 %a1) { entry: ; except for the fusion opportunity the sub/add should be equal so the ; scheduler would leave them in source order if it weren't for the scheduling %v0 = sub i32 %a0, 13 %cond = icmp eq i32 %v0, 0 %v1 = add i32 %a1, 7 br i1 %cond, label %if, label %exit if: call void @foobar(i32 %v1, i32 %v0) br label %exit exit: call void @foobar(i32 %v0, i32 %v1) ret void }