1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve -tail-predication=enabled %s -o - | FileCheck %s
4 define dso_local arm_aapcs_vfpcc i32 @minmaxval4(ptr nocapture readonly %x, ptr nocapture %minp) {
5 ; CHECK-LABEL: minmaxval4:
6 ; CHECK: @ %bb.0: @ %entry
7 ; CHECK-NEXT: push {r7, lr}
8 ; CHECK-NEXT: vmov.i32 q0, #0x80000000
9 ; CHECK-NEXT: vmvn.i32 q1, #0x80000000
10 ; CHECK-NEXT: movs r2, #10
11 ; CHECK-NEXT: dlstp.32 lr, r2
12 ; CHECK-NEXT: .LBB0_1: @ %vector.body
13 ; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
14 ; CHECK-NEXT: vldrw.u32 q2, [r0], #16
15 ; CHECK-NEXT: vpt.s32 gt, q2, q0
16 ; CHECK-NEXT: vmovt q0, q2
17 ; CHECK-NEXT: vpt.s32 gt, q1, q2
18 ; CHECK-NEXT: vmovt q1, q2
19 ; CHECK-NEXT: letp lr, .LBB0_1
20 ; CHECK-NEXT: @ %bb.2: @ %middle.block
21 ; CHECK-NEXT: mvn r0, #-2147483648
22 ; CHECK-NEXT: vminv.s32 r0, q1
23 ; CHECK-NEXT: str r0, [r1]
24 ; CHECK-NEXT: mov.w r0, #-2147483648
25 ; CHECK-NEXT: vmaxv.s32 r0, q0
26 ; CHECK-NEXT: pop {r7, pc}
30 vector.body: ; preds = %vector.body, %entry
31 %index = phi i32 [ 0, %entry ], [ %index.next, %vector.body ]
32 %vec.phi = phi <4 x i32> [ <i32 2147483647, i32 2147483647, i32 2147483647, i32 2147483647>, %entry ], [ %5, %vector.body ]
33 %vec.phi29 = phi <4 x i32> [ <i32 -2147483648, i32 -2147483648, i32 -2147483648, i32 -2147483648>, %entry ], [ %7, %vector.body ]
34 %0 = getelementptr inbounds i32, ptr %x, i32 %index
35 %active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %index, i32 10)
36 %1 = bitcast ptr %0 to ptr
37 %wide.masked.load = call <4 x i32> @llvm.masked.load.v4i32.p0(ptr %1, i32 4, <4 x i1> %active.lane.mask, <4 x i32> undef)
38 %2 = icmp sgt <4 x i32> %wide.masked.load, %vec.phi29
39 %3 = icmp slt <4 x i32> %wide.masked.load, %vec.phi
40 %4 = and <4 x i1> %active.lane.mask, %3
41 %5 = select <4 x i1> %4, <4 x i32> %wide.masked.load, <4 x i32> %vec.phi
42 %6 = and <4 x i1> %active.lane.mask, %2
43 %7 = select <4 x i1> %6, <4 x i32> %wide.masked.load, <4 x i32> %vec.phi29
44 %index.next = add i32 %index, 4
45 %8 = icmp eq i32 %index.next, 12
46 br i1 %8, label %middle.block, label %vector.body
48 middle.block: ; preds = %vector.body
49 %9 = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> %7)
50 %10 = call i32 @llvm.vector.reduce.smin.v4i32(<4 x i32> %5)
51 store i32 %10, ptr %minp, align 4
55 declare <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32, i32) #1
56 declare <4 x i32> @llvm.masked.load.v4i32.p0(ptr, i32 immarg, <4 x i1>, <4 x i32>) #2
57 declare i32 @llvm.vector.reduce.smin.v4i32(<4 x i32>) #3
58 declare i32 @llvm.vector.reduce.smax.v4i32(<4 x i32>) #3