; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s ; On AArch64, division in expensive. BuildRemEqFold should therefore run even ; when optimizing for size. Only optimizing for minimum size retains a plain div. define i32 @test_minsize(i32 %X) optsize minsize nounwind readnone { ; CHECK-LABEL: test_minsize: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #5 ; CHECK-NEXT: udiv w8, w0, w8 ; CHECK-NEXT: add w8, w8, w8, lsl #2 ; CHECK-NEXT: mov w9, #-10 ; CHECK-NEXT: cmp w0, w8 ; CHECK-NEXT: mov w8, #42 ; CHECK-NEXT: csel w0, w8, w9, eq ; CHECK-NEXT: ret %rem = urem i32 %X, 5 %cmp = icmp eq i32 %rem, 0 %ret = select i1 %cmp, i32 42, i32 -10 ret i32 %ret } define i32 @test_optsize(i32 %X) optsize nounwind readnone { ; CHECK-LABEL: test_optsize: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #52429 ; CHECK-NEXT: movk w8, #52428, lsl #16 ; CHECK-NEXT: umull x8, w0, w8 ; CHECK-NEXT: lsr x8, x8, #34 ; CHECK-NEXT: add w8, w8, w8, lsl #2 ; CHECK-NEXT: mov w9, #-10 ; CHECK-NEXT: cmp w0, w8 ; CHECK-NEXT: mov w8, #42 ; CHECK-NEXT: csel w0, w8, w9, eq ; CHECK-NEXT: ret %rem = urem i32 %X, 5 %cmp = icmp eq i32 %rem, 0 %ret = select i1 %cmp, i32 42, i32 -10 ret i32 %ret }