1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32 3--- | 4 5 define void @mul_i32(i32 %x, i32 %y) {entry: ret void} 6 define void @umul_with_overflow(i32 %lhs, i32 %rhs, ptr %pmul, ptr %pcarry_flag) { ret void } 7 8... 9--- 10name: mul_i32 11alignment: 4 12legalized: true 13regBankSelected: true 14tracksRegLiveness: true 15body: | 16 bb.0.entry: 17 liveins: $a0, $a1 18 19 ; MIPS32-LABEL: name: mul_i32 20 ; MIPS32: liveins: $a0, $a1 21 ; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0 22 ; MIPS32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1 23 ; MIPS32: [[MUL:%[0-9]+]]:gpr32 = MUL [[COPY]], [[COPY1]], implicit-def dead $hi0, implicit-def dead $lo0 24 ; MIPS32: $v0 = COPY [[MUL]] 25 ; MIPS32: RetRA implicit $v0 26 %0:gprb(s32) = COPY $a0 27 %1:gprb(s32) = COPY $a1 28 %2:gprb(s32) = G_MUL %0, %1 29 $v0 = COPY %2(s32) 30 RetRA implicit $v0 31 32... 33--- 34name: umul_with_overflow 35alignment: 4 36legalized: true 37regBankSelected: true 38tracksRegLiveness: true 39body: | 40 bb.1 (%ir-block.0): 41 liveins: $a0, $a1, $a2, $a3 42 43 ; MIPS32-LABEL: name: umul_with_overflow 44 ; MIPS32: liveins: $a0, $a1, $a2, $a3 45 ; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0 46 ; MIPS32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1 47 ; MIPS32: [[COPY2:%[0-9]+]]:gpr32 = COPY $a2 48 ; MIPS32: [[COPY3:%[0-9]+]]:gpr32 = COPY $a3 49 ; MIPS32: [[MUL:%[0-9]+]]:gpr32 = MUL [[COPY]], [[COPY1]], implicit-def dead $hi0, implicit-def dead $lo0 50 ; MIPS32: [[PseudoMULTu:%[0-9]+]]:acc64 = PseudoMULTu [[COPY]], [[COPY1]] 51 ; MIPS32: [[PseudoMFHI:%[0-9]+]]:gpr32 = PseudoMFHI [[PseudoMULTu]] 52 ; MIPS32: [[SLTu:%[0-9]+]]:gpr32 = SLTu $zero, [[PseudoMFHI]] 53 ; MIPS32: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[SLTu]], 1 54 ; MIPS32: SB [[ANDi]], [[COPY3]], 0 :: (store (s8) into %ir.pcarry_flag) 55 ; MIPS32: SW [[MUL]], [[COPY2]], 0 :: (store (s32) into %ir.pmul) 56 ; MIPS32: RetRA 57 %0:gprb(s32) = COPY $a0 58 %1:gprb(s32) = COPY $a1 59 %2:gprb(p0) = COPY $a2 60 %3:gprb(p0) = COPY $a3 61 %4:gprb(s32) = G_MUL %0, %1 62 %7:gprb(s32) = G_UMULH %0, %1 63 %8:gprb(s32) = G_CONSTANT i32 0 64 %9:gprb(s32) = G_ICMP intpred(ne), %7(s32), %8 65 %10:gprb(s32) = G_CONSTANT i32 1 66 %11:gprb(s32) = COPY %9(s32) 67 %6:gprb(s32) = G_AND %11, %10 68 G_STORE %6(s32), %3(p0) :: (store (s8) into %ir.pcarry_flag) 69 G_STORE %4(s32), %2(p0) :: (store (s32) into %ir.pmul) 70 RetRA 71 72... 73