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
5 define void @zext() {entry: ret void}
6 define void @sext() {entry: ret void}
12 tracksRegLiveness: true
17 ; MIPS32-LABEL: name: zext
18 ; MIPS32: liveins: $a0
19 ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
20 ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
21 ; MIPS32: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY]](s32), [[C]](s32)
22 ; MIPS32: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[MV]](s64)
23 ; MIPS32: $v0 = COPY [[UV]](s32)
24 ; MIPS32: $v1 = COPY [[UV1]](s32)
25 ; MIPS32: RetRA implicit $v0, implicit $v1
27 %1:_(s64) = G_ZEXT %0(s32)
28 %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
31 RetRA implicit $v0, implicit $v1
37 tracksRegLiveness: true
42 ; MIPS32-LABEL: name: sext
43 ; MIPS32: liveins: $a0
44 ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
45 ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
46 ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
47 ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
48 ; MIPS32: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[COPY]], [[COPY1]](s32)
49 ; MIPS32: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY]](s32), [[ASHR]](s32)
50 ; MIPS32: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[MV]](s64)
51 ; MIPS32: $v0 = COPY [[UV]](s32)
52 ; MIPS32: $v1 = COPY [[UV1]](s32)
53 ; MIPS32: RetRA implicit $v0, implicit $v1
55 %1:_(s64) = G_SEXT %0(s32)
56 %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
59 RetRA implicit $v0, implicit $v1