1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -aarch64-sve-vector-bits-min=256 < %s | FileCheck %s
4 target triple = "aarch64"
7 ; NOTE: SVE lowering for the BSP pseudoinst is not currently implemented, so we
8 ; don't currently expect the code below to lower to BSL/BIT/BIF. Once
9 ; this is implemented, this test will be fleshed out.
12 define <8 x i32> @fixed_bitselect_v8i32(ptr %pre_cond_ptr, ptr %left_ptr, ptr %right_ptr) #0 {
13 ; CHECK-LABEL: fixed_bitselect_v8i32:
15 ; CHECK-NEXT: ptrue p0.s, vl8
16 ; CHECK-NEXT: mov z1.s, #-1 // =0xffffffffffffffff
17 ; CHECK-NEXT: ld1w { z0.s }, p0/z, [x0]
18 ; CHECK-NEXT: ld1w { z2.s }, p0/z, [x1]
19 ; CHECK-NEXT: ld1w { z3.s }, p0/z, [x2]
20 ; CHECK-NEXT: add z1.s, z0.s, z1.s
21 ; CHECK-NEXT: subr z0.s, z0.s, #0 // =0x0
22 ; CHECK-NEXT: and z0.d, z0.d, z2.d
23 ; CHECK-NEXT: and z1.d, z1.d, z3.d
24 ; CHECK-NEXT: orr z0.d, z1.d, z0.d
25 ; CHECK-NEXT: st1w { z0.s }, p0, [x8]
27 %pre_cond = load <8 x i32>, ptr %pre_cond_ptr
28 %left = load <8 x i32>, ptr %left_ptr
29 %right = load <8 x i32>, ptr %right_ptr
31 %neg_cond = sub <8 x i32> zeroinitializer, %pre_cond
32 %min_cond = add <8 x i32> %pre_cond, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
33 %left_bits_0 = and <8 x i32> %neg_cond, %left
34 %right_bits_0 = and <8 x i32> %min_cond, %right
35 %bsl0000 = or <8 x i32> %right_bits_0, %left_bits_0
36 ret <8 x i32> %bsl0000
39 attributes #0 = { "target-features"="+sve" }