| ; 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 |
| } |