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: $v0 = COPY [[COPY]](s32)
22 ; MIPS32: $v1 = COPY [[C]](s32)
23 ; MIPS32: RetRA implicit $v0, implicit $v1
25 %1:_(s64) = G_ZEXT %0(s32)
26 %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
29 RetRA implicit $v0, implicit $v1
35 tracksRegLiveness: true
40 ; MIPS32-LABEL: name: sext
41 ; MIPS32: liveins: $a0
42 ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
43 ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
44 ; MIPS32: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[COPY]], [[C]](s32)
45 ; MIPS32: $v0 = COPY [[COPY]](s32)
46 ; MIPS32: $v1 = COPY [[ASHR]](s32)
47 ; MIPS32: RetRA implicit $v0, implicit $v1
49 %1:_(s64) = G_SEXT %0(s32)
50 %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
53 RetRA implicit $v0, implicit $v1