1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=aarch64-unknown-unknown -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
3---
4name:              test_128_fpr_truncation
5alignment:         4
6legalized:         true
7regBankSelected:   true
8tracksRegLiveness: true
9body: |
10  ; CHECK-LABEL: name: test_128_fpr_truncation
11  ; CHECK: bb.0:
12  ; CHECK:   successors: %bb.1(0x80000000)
13  ; CHECK:   liveins: $x0
14  ; CHECK:   [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
15  ; CHECK:   [[LDRQui:%[0-9]+]]:fpr128 = LDRQui [[COPY]], 0 :: (load (s128))
16  ; CHECK:   [[COPY1:%[0-9]+]]:gpr32all = COPY [[LDRQui]].ssub
17  ; CHECK:   [[COPY2:%[0-9]+]]:gpr32 = COPY [[COPY1]]
18  ; CHECK:   TBNZW [[COPY2]], 0, %bb.1
19  ; CHECK: bb.1:
20  ; CHECK:   RET_ReallyLR
21  bb.0:
22    liveins: $x0
23    %1:gpr(p0) = COPY $x0
24    %3:gpr(s64) = G_CONSTANT i64 1
25    %5:gpr(s64) = G_CONSTANT i64 0
26    %0:fpr(s128) = G_LOAD %1:gpr(p0) :: (load (s128))
27    %2:fpr(s64) = G_TRUNC %0:fpr(s128)
28    %8:gpr(s64) = COPY %2:fpr(s64)
29    %4:gpr(s64) = G_AND %8:gpr, %3:gpr
30    %7:gpr(s32) = G_ICMP intpred(ne), %4:gpr(s64), %5:gpr
31    %6:gpr(s1) = G_TRUNC %7:gpr(s32)
32    G_BRCOND %6:gpr(s1), %bb.1
33
34  bb.1:
35    RET_ReallyLR
36...
37---
38name:              no_trunc
39alignment:         4
40legalized:         true
41regBankSelected:   true
42tracksRegLiveness: true
43body: |
44  ; CHECK-LABEL: name: no_trunc
45  ; CHECK: bb.0:
46  ; CHECK:   successors: %bb.1(0x80000000)
47  ; CHECK:   liveins: $x0
48  ; CHECK:   [[COPY:%[0-9]+]]:gpr64sp = COPY $x0
49  ; CHECK:   [[LDRQui:%[0-9]+]]:fpr128 = LDRQui [[COPY]], 0 :: (load (s128))
50  ; CHECK:   [[COPY1:%[0-9]+]]:gpr64all = COPY [[LDRQui]].dsub
51  ; CHECK:   [[COPY2:%[0-9]+]]:gpr64 = COPY [[COPY1]]
52  ; CHECK:   TBNZX [[COPY2]], 33, %bb.1
53  ; CHECK: bb.1:
54  ; CHECK:   RET_ReallyLR
55  bb.0:
56    liveins: $x0
57    %1:gpr(p0) = COPY $x0
58    %3:gpr(s64) = G_CONSTANT i64 8589934592
59    %5:gpr(s64) = G_CONSTANT i64 0
60    %0:fpr(s128) = G_LOAD %1:gpr(p0) :: (load (s128))
61    %2:fpr(s64) = G_TRUNC %0:fpr(s128)
62    %8:gpr(s64) = COPY %2:fpr(s64)
63    %4:gpr(s64) = G_AND %8:gpr, %3:gpr
64    %7:gpr(s32) = G_ICMP intpred(ne), %4:gpr(s64), %5:gpr
65    %6:gpr(s1) = G_TRUNC %7:gpr(s32)
66    G_BRCOND %6:gpr(s1), %bb.1
67  bb.1:
68    RET_ReallyLR
69