1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=arm64-apple-ios --global-isel=0 | FileCheck %s
4 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
5 target triple = "arm64-apple-ios"
7 declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg)
9 ; TargetLowering::SimplifySetCC wants to swap the operands of a SETCC to
10 ; canonicalize the constant to the RHS. The bug here was that it did so whether
11 ; or not the RHS was already a constant, leading to an infinite loop.
12 define <16 x i1> @setcc_swap_infloop(ptr %arg) {
13 ; CHECK-LABEL: setcc_swap_infloop:
15 ; CHECK-NEXT: movi.16b v1, #1
16 ; CHECK-NEXT: mov x8, xzr
17 ; CHECK-NEXT: ldr q0, [x8]
18 ; CHECK-NEXT: cmeq.16b v0, v0, #0
19 ; CHECK-NEXT: cmeq.16b v2, v1, #0
20 ; CHECK-NEXT: str q1, [x8]
21 ; CHECK-NEXT: mov w8, #16 ; =0x10
22 ; CHECK-NEXT: str q1, [x8]
23 ; CHECK-NEXT: orr.16b v0, v0, v2
25 call void @llvm.memset.p0.i64(ptr nonnull null, i8 1, i64 32, i1 false)
26 %v = getelementptr inbounds i8, ptr null, i64 16
27 %v14 = load <16 x i8>, ptr undef, align 32
28 %v15 = icmp eq <16 x i8> %v14, zeroinitializer
29 %v16 = load <16 x i8>, ptr %v, align 16
30 %v17 = icmp eq <16 x i8> %v16, zeroinitializer
31 %v20 = or <16 x i1> %v15, %v17