1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s 3 4define i32 @PR39657(i8* %p, i64 %x) { 5; CHECK-LABEL: PR39657: 6; CHECK: // %bb.0: 7; CHECK-NEXT: mvn x8, x1 8; CHECK-NEXT: ldr w0, [x0, x8, lsl #2] 9; CHECK-NEXT: ret 10 %sh = shl i64 %x, 2 11 %mul = xor i64 %sh, -4 12 %add.ptr = getelementptr inbounds i8, i8* %p, i64 %mul 13 %bc = bitcast i8* %add.ptr to i32* 14 %load = load i32, i32* %bc, align 4 15 ret i32 %load 16} 17 18define i32 @add_of_not(i32 %x, i32 %y) { 19; CHECK-LABEL: add_of_not: 20; CHECK: // %bb.0: 21; CHECK-NEXT: mvn w8, w1 22; CHECK-NEXT: add w0, w8, w0 23; CHECK-NEXT: ret 24 %t0 = sub i32 %x, %y 25 %r = add i32 %t0, -1 26 ret i32 %r 27} 28 29define i32 @add_of_not_decrement(i32 %x, i32 %y) { 30; CHECK-LABEL: add_of_not_decrement: 31; CHECK: // %bb.0: 32; CHECK-NEXT: mvn w8, w1 33; CHECK-NEXT: add w0, w8, w0 34; CHECK-NEXT: ret 35 %t0 = sub i32 %x, %y 36 %r = sub i32 %t0, 1 37 ret i32 %r 38} 39 40define <4 x i32> @vec_add_of_not(<4 x i32> %x, <4 x i32> %y) { 41; CHECK-LABEL: vec_add_of_not: 42; CHECK: // %bb.0: 43; CHECK-NEXT: mvn v1.16b, v1.16b 44; CHECK-NEXT: add v0.4s, v1.4s, v0.4s 45; CHECK-NEXT: ret 46 %t0 = sub <4 x i32> %x, %y 47 %r = add <4 x i32> %t0, <i32 -1, i32 -1, i32 -1, i32 -1> 48 ret <4 x i32> %r 49} 50 51define <4 x i32> @vec_add_of_not_decrement(<4 x i32> %x, <4 x i32> %y) { 52; CHECK-LABEL: vec_add_of_not_decrement: 53; CHECK: // %bb.0: 54; CHECK-NEXT: mvn v1.16b, v1.16b 55; CHECK-NEXT: add v0.4s, v1.4s, v0.4s 56; CHECK-NEXT: ret 57 %t0 = sub <4 x i32> %x, %y 58 %r = sub <4 x i32> %t0, <i32 1, i32 1, i32 1, i32 1> 59 ret <4 x i32> %r 60} 61 62define <4 x i32> @vec_add_of_not_with_undef(<4 x i32> %x, <4 x i32> %y) { 63; CHECK-LABEL: vec_add_of_not_with_undef: 64; CHECK: // %bb.0: 65; CHECK-NEXT: sub v0.4s, v0.4s, v1.4s 66; CHECK-NEXT: movi v1.2d, #0xffffffffffffffff 67; CHECK-NEXT: add v0.4s, v0.4s, v1.4s 68; CHECK-NEXT: ret 69 %t0 = sub <4 x i32> %x, %y 70 %r = add <4 x i32> %t0, <i32 -1, i32 undef, i32 -1, i32 -1> 71 ret <4 x i32> %r 72} 73 74define <4 x i32> @vec_add_of_not_with_undef_decrement(<4 x i32> %x, <4 x i32> %y) { 75; CHECK-LABEL: vec_add_of_not_with_undef_decrement: 76; CHECK: // %bb.0: 77; CHECK-NEXT: sub v0.4s, v0.4s, v1.4s 78; CHECK-NEXT: movi v1.4s, #1 79; CHECK-NEXT: add v0.4s, v0.4s, v1.4s 80; CHECK-NEXT: ret 81 %t0 = sub <4 x i32> %x, %y 82 %r = add <4 x i32> %t0, <i32 1, i32 undef, i32 1, i32 1> 83 ret <4 x i32> %r 84} 85