; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -o - %s -mtriple=aarch64-- | FileCheck %s define void @and1(i32 %a, i8* nocapture %p) { ; CHECK-LABEL: and1: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: and w8, w0, #0xfffffffd ; CHECK-NEXT: strb w8, [x1] ; CHECK-NEXT: ret entry: %and = and i32 %a, 253 %conv = trunc i32 %and to i8 store i8 %conv, i8* %p, align 1 ret void } ; (a & 0x3dfd) | 0xffffc000 define i32 @and2(i32 %a) { ; CHECK-LABEL: and2: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: and w8, w0, #0xfdfdfdfd ; CHECK-NEXT: orr w0, w8, #0xffffc000 ; CHECK-NEXT: ret entry: %and = and i32 %a, 15869 %or = or i32 %and, -16384 ret i32 %or } ; (a & 0x19) | 0xffffffc0 define i32 @and3(i32 %a) { ; CHECK-LABEL: and3: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: and w8, w0, #0x99999999 ; CHECK-NEXT: orr w0, w8, #0xffffffc0 ; CHECK-NEXT: ret entry: %and = and i32 %a, 25 %or = or i32 %and, -64 ret i32 %or } ; (a & 0xc5600) | 0xfff1f1ff define i32 @and4(i32 %a) { ; CHECK-LABEL: and4: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #61951 ; CHECK-NEXT: and w9, w0, #0xfffc07ff ; CHECK-NEXT: movk w8, #65521, lsl #16 ; CHECK-NEXT: orr w0, w9, w8 ; CHECK-NEXT: ret entry: %and = and i32 %a, 787968 %or = or i32 %and, -921089 ret i32 %or } ; Make sure we don't shrink or optimize an XOR's immediate operand if the ; immediate is -1. Instruction selection turns (and ((xor $mask, -1), $v0)) into ; a BIC. define i32 @xor1(i32 %a) { ; CHECK-LABEL: xor1: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #56 ; CHECK-NEXT: bic w0, w8, w0, lsl #3 ; CHECK-NEXT: ret entry: %shl = shl i32 %a, 3 %xor = and i32 %shl, 56 %and = xor i32 %xor, 56 ret i32 %and } ; Check that, when (and %t1, 129) is transformed to (and %t0, 0), ; (xor %arg, 129) doesn't get transformed to (xor %arg, 0). define i64 @PR33100(i64 %arg) { ; CHECK-LABEL: PR33100: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: sub sp, sp, #16 ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: mov w8, #129 ; CHECK-NEXT: eor x0, x0, x8 ; CHECK-NEXT: mov w8, #8 ; CHECK-NEXT: str x8, [sp, #8] ; CHECK-NEXT: add sp, sp, #16 ; CHECK-NEXT: ret entry: %alloca0 = alloca i64 store i64 8, i64* %alloca0, align 4 %t0 = load i64, i64* %alloca0, align 4 %t1 = shl i64 %arg, %t0 %and0 = and i64 %t1, 129 %xor0 = xor i64 %arg, 129 %t2 = add i64 %and0, %xor0 ret i64 %t2 }