xref: /llvm-project/llvm/test/CodeGen/ARM/pr112710.ll (revision 94cddcfc1ca21958add4355653872e8eea2557b7)
1*94cddcfcSSimon Pilgrim; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2*94cddcfcSSimon Pilgrim; RUN: llc < %s -mtriple=armv7-- | FileCheck %s
3*94cddcfcSSimon Pilgrim
4*94cddcfcSSimon Pilgrim; Reduced regression test for infinite-loop due to #112710
5*94cddcfcSSimon Pilgrimdefine void @test(i32 %bf.load.i) {
6*94cddcfcSSimon Pilgrim; CHECK-LABEL: test:
7*94cddcfcSSimon Pilgrim; CHECK:       @ %bb.0: @ %entry
8*94cddcfcSSimon Pilgrim; CHECK-NEXT:    push {r11, lr}
9*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vldr d16, .LCPI0_0
10*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vmov.i64 q9, #0xffff
11*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vdup.32 d17, r0
12*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vneg.s32 d16, d16
13*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vshl.u32 d16, d17, d16
14*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vldr d17, .LCPI0_1
15*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vand d16, d16, d17
16*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vmovl.u32 q8, d16
17*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vand q8, q8, q9
18*94cddcfcSSimon Pilgrim; CHECK-NEXT:    vst1.64 {d16, d17}, [r0]
19*94cddcfcSSimon Pilgrim; CHECK-NEXT:    bl use
20*94cddcfcSSimon Pilgrim; CHECK-NEXT:    .p2align 3
21*94cddcfcSSimon Pilgrim; CHECK-NEXT:  @ %bb.1:
22*94cddcfcSSimon Pilgrim; CHECK-NEXT:  .LCPI0_0:
23*94cddcfcSSimon Pilgrim; CHECK-NEXT:    .long 8 @ 0x8
24*94cddcfcSSimon Pilgrim; CHECK-NEXT:    .long 24 @ 0x18
25*94cddcfcSSimon Pilgrim; CHECK-NEXT:  .LCPI0_1:
26*94cddcfcSSimon Pilgrim; CHECK-NEXT:    .long 4095 @ 0xfff
27*94cddcfcSSimon Pilgrim; CHECK-NEXT:    .long 1 @ 0x1
28*94cddcfcSSimon Pilgrimentry:
29*94cddcfcSSimon Pilgrim  %0 = insertelement <2 x i32> poison, i32 %bf.load.i, i64 0
30*94cddcfcSSimon Pilgrim  %1 = shufflevector <2 x i32> %0, <2 x i32> poison, <2 x i32> zeroinitializer
31*94cddcfcSSimon Pilgrim  %2 = lshr <2 x i32> %1, <i32 8, i32 24>
32*94cddcfcSSimon Pilgrim  %arrayinit.element1.i = getelementptr inbounds i8, ptr poison, i32 16
33*94cddcfcSSimon Pilgrim  %3 = trunc <2 x i32> %2 to <2 x i16>
34*94cddcfcSSimon Pilgrim  %4 = and <2 x i16> %3, <i16 4095, i16 1>
35*94cddcfcSSimon Pilgrim  %5 = zext nneg <2 x i16> %4 to <2 x i64>
36*94cddcfcSSimon Pilgrim  store <2 x i64> %5, ptr %arrayinit.element1.i, align 8
37*94cddcfcSSimon Pilgrim  call void @use()
38*94cddcfcSSimon Pilgrim  unreachable
39*94cddcfcSSimon Pilgrim}
40*94cddcfcSSimon Pilgrimdeclare void @use()
41