1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
5 define void @zext() {entry: ret void}
6 define void @sext() {entry: ret void}
13 tracksRegLiveness: true
18 ; MIPS32-LABEL: name: zext
19 ; MIPS32: liveins: $a0
20 ; MIPS32: [[COPY:%[0-9]+]]:gprb(s32) = COPY $a0
21 ; MIPS32: [[C:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 0
22 ; MIPS32: $v0 = COPY [[COPY]](s32)
23 ; MIPS32: $v1 = COPY [[C]](s32)
24 ; MIPS32: RetRA implicit $v0, implicit $v1
26 %4:_(s32) = G_CONSTANT i32 0
27 %1:_(s64) = G_MERGE_VALUES %0(s32), %4(s32)
28 %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
31 RetRA implicit $v0, implicit $v1
38 tracksRegLiveness: true
43 ; MIPS32-LABEL: name: sext
44 ; MIPS32: liveins: $a0
45 ; MIPS32: [[COPY:%[0-9]+]]:gprb(s32) = COPY $a0
46 ; MIPS32: [[C:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 31
47 ; MIPS32: [[C1:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 0
48 ; MIPS32: [[COPY1:%[0-9]+]]:gprb(s32) = COPY [[C]](s32)
49 ; MIPS32: [[ASHR:%[0-9]+]]:gprb(s32) = G_ASHR [[COPY]], [[COPY1]](s32)
50 ; MIPS32: $v0 = COPY [[COPY]](s32)
51 ; MIPS32: $v1 = COPY [[ASHR]](s32)
52 ; MIPS32: RetRA implicit $v0, implicit $v1
54 %7:_(s32) = G_CONSTANT i32 31
55 %8:_(s32) = G_CONSTANT i32 0
56 %6:_(s32) = COPY %7(s32)
57 %5:_(s32) = G_ASHR %0, %6(s32)
58 %1:_(s64) = G_MERGE_VALUES %0(s32), %5(s32)
59 %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
62 RetRA implicit $v0, implicit $v1