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 @mul_i32(i32 %x, i32 %y) {entry: ret void}
6 define void @umul_with_overflow(i32 %lhs, i32 %rhs, i32* %pmul, i1* %pcarry_flag) { ret void }
13 tracksRegLiveness: true
18 ; MIPS32-LABEL: name: mul_i32
19 ; MIPS32: liveins: $a0, $a1
20 ; MIPS32: [[COPY:%[0-9]+]]:gprb(s32) = COPY $a0
21 ; MIPS32: [[COPY1:%[0-9]+]]:gprb(s32) = COPY $a1
22 ; MIPS32: [[MUL:%[0-9]+]]:gprb(s32) = G_MUL [[COPY]], [[COPY1]]
23 ; MIPS32: $v0 = COPY [[MUL]](s32)
24 ; MIPS32: RetRA implicit $v0
27 %2:_(s32) = G_MUL %0, %1
33 name: umul_with_overflow
36 tracksRegLiveness: true
39 liveins: $a0, $a1, $a2, $a3
41 ; MIPS32-LABEL: name: umul_with_overflow
42 ; MIPS32: liveins: $a0, $a1, $a2, $a3
43 ; MIPS32: [[COPY:%[0-9]+]]:gprb(s32) = COPY $a0
44 ; MIPS32: [[COPY1:%[0-9]+]]:gprb(s32) = COPY $a1
45 ; MIPS32: [[COPY2:%[0-9]+]]:gprb(p0) = COPY $a2
46 ; MIPS32: [[COPY3:%[0-9]+]]:gprb(p0) = COPY $a3
47 ; MIPS32: [[MUL:%[0-9]+]]:gprb(s32) = G_MUL [[COPY]], [[COPY1]]
48 ; MIPS32: [[UMULH:%[0-9]+]]:gprb(s32) = G_UMULH [[COPY]], [[COPY1]]
49 ; MIPS32: [[C:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 0
50 ; MIPS32: [[ICMP:%[0-9]+]]:gprb(s32) = G_ICMP intpred(ne), [[UMULH]](s32), [[C]]
51 ; MIPS32: [[C1:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 1
52 ; MIPS32: [[COPY4:%[0-9]+]]:gprb(s32) = COPY [[ICMP]](s32)
53 ; MIPS32: [[AND:%[0-9]+]]:gprb(s32) = G_AND [[COPY4]], [[C1]]
54 ; MIPS32: G_STORE [[AND]](s32), [[COPY3]](p0) :: (store 1 into %ir.pcarry_flag)
55 ; MIPS32: G_STORE [[MUL]](s32), [[COPY2]](p0) :: (store 4 into %ir.pmul)
61 %4:_(s32) = G_MUL %0, %1
62 %7:_(s32) = G_UMULH %0, %1
63 %8:_(s32) = G_CONSTANT i32 0
64 %9:_(s32) = G_ICMP intpred(ne), %7(s32), %8
65 %10:_(s32) = G_CONSTANT i32 1
66 %11:_(s32) = COPY %9(s32)
67 %6:_(s32) = G_AND %11, %10
68 G_STORE %6(s32), %3(p0) :: (store 1 into %ir.pcarry_flag)
69 G_STORE %4(s32), %2(p0) :: (store 4 into %ir.pmul)