xref: /llvm-project/llvm/test/CodeGen/Mips/GlobalISel/legalizer/ctlz.mir (revision 373c343a77a7afaa07179db1754a52b620dfaf2e)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
3---
4name:            ctlz_i32
5alignment:       4
6tracksRegLiveness: true
7body:             |
8  bb.1.entry:
9    liveins: $a0
10
11    ; MIPS32-LABEL: name: ctlz_i32
12    ; MIPS32: liveins: $a0
13    ; MIPS32-NEXT: {{  $}}
14    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
15    ; MIPS32-NEXT: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[COPY]](s32)
16    ; MIPS32-NEXT: $v0 = COPY [[CTLZ]](s32)
17    ; MIPS32-NEXT: RetRA implicit $v0
18    %0:_(s32) = COPY $a0
19    %1:_(s32) = G_CTLZ %0(s32)
20    $v0 = COPY %1(s32)
21    RetRA implicit $v0
22
23...
24---
25name:            ctlz_i64
26alignment:       4
27tracksRegLiveness: true
28body:             |
29  bb.1.entry:
30    liveins: $a0, $a1
31
32    ; MIPS32-LABEL: name: ctlz_i64
33    ; MIPS32: liveins: $a0, $a1
34    ; MIPS32-NEXT: {{  $}}
35    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
36    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
37    ; MIPS32-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
38    ; MIPS32-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY1]](s32), [[C]]
39    ; MIPS32-NEXT: [[CTLZ:%[0-9]+]]:_(s32) = G_CTLZ [[COPY]](s32)
40    ; MIPS32-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
41    ; MIPS32-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[CTLZ]], [[C1]]
42    ; MIPS32-NEXT: [[CTLZ1:%[0-9]+]]:_(s32) = G_CTLZ [[COPY1]](s32)
43    ; MIPS32-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s32), [[ADD]], [[CTLZ1]]
44    ; MIPS32-NEXT: $v0 = COPY [[SELECT]](s32)
45    ; MIPS32-NEXT: $v1 = COPY [[C]](s32)
46    ; MIPS32-NEXT: RetRA implicit $v0, implicit $v1
47    %1:_(s32) = COPY $a0
48    %2:_(s32) = COPY $a1
49    %0:_(s64) = G_MERGE_VALUES %1(s32), %2(s32)
50    %3:_(s64) = G_CTLZ %0(s64)
51    %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %3(s64)
52    $v0 = COPY %4(s32)
53    $v1 = COPY %5(s32)
54    RetRA implicit $v0, implicit $v1
55
56...
57