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1; REQUIRES: asserts2; RUN: llc < %s -mtriple=aarch64-linux-gnu -mattr=+fuse-arith-logic -verify-misched -debug-only=machine-scheduler 2>&1 > /dev/null | FileCheck %s3 4; Verify that, the macro-fusion creates the necessary dependencies between SUs and5; only 2 SU's are fused at most.6define signext i32 @test(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d) {7entry:8; CHECK: ********** MI Scheduling **********9; CHECK-LABEL: %bb.0 entry 10; CHECK: Macro fuse: SU([[SU4:[0-9]+]]) - SU([[SU5:[0-9]+]])11; CHECK: Bind SU([[SU1:[0-9]+]]) - SU([[SU4]])12; CHECK-NOT: Macro fuse:13; CHECK: SU([[SU1]]): %{{[0-9]+}}:gpr32 = COPY $w214; CHECK: SU([[SU4]]): %{{[0-9]+}}:gpr32 = nsw ADDWrr15; CHECK: SU([[SU5]]): %{{[0-9]+}}:gpr32 = nsw ADDWrr16 %add = add nsw i32 %b, %a17 %add1 = add nsw i32 %add, %c18 %sub = sub nsw i32 %add1, %d19 ret i32 %sub20}21