diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp @@ -3623,18 +3623,16 @@ void DAGTypeLegalizer::ExpandIntRes_SADDSUBO(SDNode *Node, SDValue &Lo, SDValue &Hi) { + assert((Node->getOpcode() == ISD::SADDO || Node->getOpcode() == ISD::SSUBO) && + "Node has unexpected Opcode"); SDValue LHS = Node->getOperand(0); SDValue RHS = Node->getOperand(1); SDLoc dl(Node); SDValue Ovf; - unsigned CarryOp; - switch(Node->getOpcode()) { - default: llvm_unreachable("Node has unexpected Opcode"); - case ISD::SADDO: CarryOp = ISD::SADDO_CARRY; break; - case ISD::SSUBO: CarryOp = ISD::SSUBO_CARRY; break; - } + bool IsAdd = Node->getOpcode() == ISD::SADDO; + unsigned CarryOp = IsAdd ? ISD::SADDO_CARRY : ISD::SSUBO_CARRY; bool HasCarryOp = TLI.isOperationLegalOrCustom( CarryOp, TLI.getTypeToExpandTo(*DAG.getContext(), LHS.getValueType())); @@ -3646,8 +3644,7 @@ GetExpandedInteger(RHS, RHSL, RHSH); SDVTList VTList = DAG.getVTList(LHSL.getValueType(), Node->getValueType(1)); - Lo = DAG.getNode(Node->getOpcode() == ISD::SADDO ? - ISD::UADDO : ISD::USUBO, dl, VTList, { LHSL, RHSL }); + Lo = DAG.getNode(IsAdd ? ISD::UADDO : ISD::USUBO, dl, VTList, {LHSL, RHSL}); Hi = DAG.getNode(CarryOp, dl, VTList, { LHSH, RHSH, Lo.getValue(1) }); Ovf = Hi.getValue(1); @@ -3670,19 +3667,27 @@ // Sub: // Overflow -> (LHSSign != RHSSign) && (LHSSign != SumSign) // + // To get better codegen we can rewrite this by doing bitwise math on + // the integers and extract the final sign bit at the end. So the + // above becomes: + // + // Add: + // Overflow -> (~(LHS ^ RHS) & (LHS ^ Sum)) < 0 + // Sub: + // Overflow -> ((LHS ^ RHS) & (LHS ^ Sum)) < 0 + // + // NOTE: This is different than the expansion we do in expandSADDSUBO + // because it is more costly to determine the RHS is > 0 for SSUBO with the + // integers split. + EVT VT = LHS.getValueType(); + SDValue SignsMatch = DAG.getNode(ISD::XOR, dl, VT, LHS, RHS); + if (IsAdd) + SignsMatch = DAG.getNOT(dl, SignsMatch, VT); + + SDValue SumSignNE = DAG.getNode(ISD::XOR, dl, VT, LHS, Sum); + Ovf = DAG.getNode(ISD::AND, dl, VT, SignsMatch, SumSignNE); EVT OType = Node->getValueType(1); - SDValue Zero = DAG.getConstant(0, dl, LHS.getValueType()); - - SDValue LHSSign = DAG.getSetCC(dl, OType, LHS, Zero, ISD::SETLT); - SDValue RHSSign = DAG.getSetCC(dl, OType, RHS, Zero, ISD::SETLT); - SDValue SignsMatch = DAG.getSetCC(dl, OType, LHSSign, RHSSign, - Node->getOpcode() == ISD::SADDO ? - ISD::SETEQ : ISD::SETNE); - - SDValue SumSign = DAG.getSetCC(dl, OType, Sum, Zero, ISD::SETLT); - SDValue SumSignNE = DAG.getSetCC(dl, OType, LHSSign, SumSign, ISD::SETNE); - - Ovf = DAG.getNode(ISD::AND, dl, OType, SignsMatch, SumSignNE); + Ovf = DAG.getSetCC(dl, OType, Ovf, DAG.getConstant(0, dl, VT), ISD::SETLT); } // Use the calculated overflow everywhere. diff --git a/llvm/test/CodeGen/AArch64/sadd_sat_vec.ll b/llvm/test/CodeGen/AArch64/sadd_sat_vec.ll --- a/llvm/test/CodeGen/AArch64/sadd_sat_vec.ll +++ b/llvm/test/CodeGen/AArch64/sadd_sat_vec.ll @@ -366,42 +366,28 @@ define <2 x i128> @v2i128(<2 x i128> %x, <2 x i128> %y) nounwind { ; CHECK-LABEL: v2i128: ; CHECK: // %bb.0: -; CHECK-NEXT: cmp x7, #0 // =0 -; CHECK-NEXT: cset w9, lt -; CHECK-NEXT: cmp x3, #0 // =0 -; CHECK-NEXT: cset w10, lt -; CHECK-NEXT: cmp w10, w9 -; CHECK-NEXT: cset w9, eq -; CHECK-NEXT: adds x11, x2, x6 +; CHECK-NEXT: adds x8, x2, x6 ; CHECK-NEXT: adcs x12, x3, x7 +; CHECK-NEXT: mov x9, #9223372036854775807 +; CHECK-NEXT: eor x10, x3, x7 ; CHECK-NEXT: cmp x12, #0 // =0 -; CHECK-NEXT: mov x8, #9223372036854775807 -; CHECK-NEXT: cset w15, lt -; CHECK-NEXT: cinv x14, x8, ge -; CHECK-NEXT: cmp w10, w15 -; CHECK-NEXT: cset w10, ne -; CHECK-NEXT: asr x13, x12, #63 -; CHECK-NEXT: tst w9, w10 -; CHECK-NEXT: csel x2, x13, x11, ne -; CHECK-NEXT: csel x3, x14, x12, ne -; CHECK-NEXT: cmp x5, #0 // =0 -; CHECK-NEXT: cset w9, lt -; CHECK-NEXT: cmp x1, #0 // =0 -; CHECK-NEXT: cset w10, lt -; CHECK-NEXT: cmp w10, w9 -; CHECK-NEXT: cset w9, eq -; CHECK-NEXT: adds x11, x0, x4 -; CHECK-NEXT: adcs x12, x1, x5 -; CHECK-NEXT: cmp x12, #0 // =0 -; CHECK-NEXT: cset w13, lt -; CHECK-NEXT: cinv x8, x8, ge -; CHECK-NEXT: cmp w10, w13 -; CHECK-NEXT: cset w10, ne -; CHECK-NEXT: tst w9, w10 -; CHECK-NEXT: asr x9, x12, #63 -; CHECK-NEXT: csel x9, x9, x11, ne -; CHECK-NEXT: csel x1, x8, x12, ne -; CHECK-NEXT: fmov d0, x9 +; CHECK-NEXT: eor x13, x3, x12 +; CHECK-NEXT: cinv x14, x9, ge +; CHECK-NEXT: bics xzr, x13, x10 +; CHECK-NEXT: asr x10, x12, #63 +; CHECK-NEXT: csel x2, x10, x8, lt +; CHECK-NEXT: csel x3, x14, x12, lt +; CHECK-NEXT: adds x8, x0, x4 +; CHECK-NEXT: adcs x10, x1, x5 +; CHECK-NEXT: eor x11, x1, x5 +; CHECK-NEXT: cmp x10, #0 // =0 +; CHECK-NEXT: eor x12, x1, x10 +; CHECK-NEXT: cinv x9, x9, ge +; CHECK-NEXT: bics xzr, x12, x11 +; CHECK-NEXT: asr x11, x10, #63 +; CHECK-NEXT: csel x8, x11, x8, lt +; CHECK-NEXT: csel x1, x9, x10, lt +; CHECK-NEXT: fmov d0, x8 ; CHECK-NEXT: mov v0.d[1], x1 ; CHECK-NEXT: fmov x0, d0 ; CHECK-NEXT: ret diff --git a/llvm/test/CodeGen/AArch64/ssub_sat_vec.ll b/llvm/test/CodeGen/AArch64/ssub_sat_vec.ll --- a/llvm/test/CodeGen/AArch64/ssub_sat_vec.ll +++ b/llvm/test/CodeGen/AArch64/ssub_sat_vec.ll @@ -369,42 +369,28 @@ define <2 x i128> @v2i128(<2 x i128> %x, <2 x i128> %y) nounwind { ; CHECK-LABEL: v2i128: ; CHECK: // %bb.0: -; CHECK-NEXT: cmp x7, #0 // =0 -; CHECK-NEXT: cset w9, lt -; CHECK-NEXT: cmp x3, #0 // =0 -; CHECK-NEXT: cset w10, lt -; CHECK-NEXT: cmp w10, w9 -; CHECK-NEXT: cset w9, ne -; CHECK-NEXT: subs x11, x2, x6 +; CHECK-NEXT: subs x8, x2, x6 ; CHECK-NEXT: sbcs x12, x3, x7 +; CHECK-NEXT: mov x9, #9223372036854775807 +; CHECK-NEXT: eor x10, x3, x7 ; CHECK-NEXT: cmp x12, #0 // =0 -; CHECK-NEXT: mov x8, #9223372036854775807 -; CHECK-NEXT: cset w15, lt -; CHECK-NEXT: cinv x14, x8, ge -; CHECK-NEXT: cmp w10, w15 -; CHECK-NEXT: cset w10, ne -; CHECK-NEXT: asr x13, x12, #63 -; CHECK-NEXT: tst w9, w10 -; CHECK-NEXT: csel x2, x13, x11, ne -; CHECK-NEXT: csel x3, x14, x12, ne -; CHECK-NEXT: cmp x5, #0 // =0 -; CHECK-NEXT: cset w9, lt -; CHECK-NEXT: cmp x1, #0 // =0 -; CHECK-NEXT: cset w10, lt -; CHECK-NEXT: cmp w10, w9 -; CHECK-NEXT: cset w9, ne -; CHECK-NEXT: subs x11, x0, x4 -; CHECK-NEXT: sbcs x12, x1, x5 -; CHECK-NEXT: cmp x12, #0 // =0 -; CHECK-NEXT: cset w13, lt -; CHECK-NEXT: cinv x8, x8, ge -; CHECK-NEXT: cmp w10, w13 -; CHECK-NEXT: cset w10, ne -; CHECK-NEXT: tst w9, w10 -; CHECK-NEXT: asr x9, x12, #63 -; CHECK-NEXT: csel x9, x9, x11, ne -; CHECK-NEXT: csel x1, x8, x12, ne -; CHECK-NEXT: fmov d0, x9 +; CHECK-NEXT: eor x13, x3, x12 +; CHECK-NEXT: cinv x14, x9, ge +; CHECK-NEXT: tst x10, x13 +; CHECK-NEXT: asr x10, x12, #63 +; CHECK-NEXT: csel x2, x10, x8, lt +; CHECK-NEXT: csel x3, x14, x12, lt +; CHECK-NEXT: subs x8, x0, x4 +; CHECK-NEXT: sbcs x10, x1, x5 +; CHECK-NEXT: eor x11, x1, x5 +; CHECK-NEXT: cmp x10, #0 // =0 +; CHECK-NEXT: eor x12, x1, x10 +; CHECK-NEXT: cinv x9, x9, ge +; CHECK-NEXT: tst x11, x12 +; CHECK-NEXT: asr x11, x10, #63 +; CHECK-NEXT: csel x8, x11, x8, lt +; CHECK-NEXT: csel x1, x9, x10, lt +; CHECK-NEXT: fmov d0, x8 ; CHECK-NEXT: mov v0.d[1], x1 ; CHECK-NEXT: fmov x0, d0 ; CHECK-NEXT: ret diff --git a/llvm/test/CodeGen/ARM/sadd_sat.ll b/llvm/test/CodeGen/ARM/sadd_sat.ll --- a/llvm/test/CodeGen/ARM/sadd_sat.ll +++ b/llvm/test/CodeGen/ARM/sadd_sat.ll @@ -94,130 +94,74 @@ define i64 @func2(i64 %x, i64 %y) nounwind { ; CHECK-T1-LABEL: func2: ; CHECK-T1: @ %bb.0: -; CHECK-T1-NEXT: .save {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: push {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: .pad #4 -; CHECK-T1-NEXT: sub sp, #4 -; CHECK-T1-NEXT: str r2, [sp] @ 4-byte Spill -; CHECK-T1-NEXT: mov r2, r0 -; CHECK-T1-NEXT: movs r4, #1 -; CHECK-T1-NEXT: movs r0, #0 -; CHECK-T1-NEXT: cmp r3, #0 -; CHECK-T1-NEXT: mov r5, r4 -; CHECK-T1-NEXT: bmi .LBB1_2 +; CHECK-T1-NEXT: .save {r4, lr} +; CHECK-T1-NEXT: push {r4, lr} +; CHECK-T1-NEXT: mov r4, r1 +; CHECK-T1-NEXT: eors r4, r3 +; CHECK-T1-NEXT: adds r0, r0, r2 +; CHECK-T1-NEXT: adcs r3, r1 +; CHECK-T1-NEXT: eors r1, r3 +; CHECK-T1-NEXT: bics r1, r4 +; CHECK-T1-NEXT: bpl .LBB1_2 ; CHECK-T1-NEXT: @ %bb.1: -; CHECK-T1-NEXT: mov r5, r0 +; CHECK-T1-NEXT: asrs r0, r3, #31 ; CHECK-T1-NEXT: .LBB1_2: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: mov r7, r4 +; CHECK-T1-NEXT: cmp r3, #0 ; CHECK-T1-NEXT: bmi .LBB1_4 ; CHECK-T1-NEXT: @ %bb.3: -; CHECK-T1-NEXT: mov r7, r0 +; CHECK-T1-NEXT: movs r2, #1 +; CHECK-T1-NEXT: lsls r2, r2, #31 +; CHECK-T1-NEXT: cmp r1, #0 +; CHECK-T1-NEXT: bpl .LBB1_5 +; CHECK-T1-NEXT: b .LBB1_6 ; CHECK-T1-NEXT: .LBB1_4: -; CHECK-T1-NEXT: subs r6, r7, r5 -; CHECK-T1-NEXT: rsbs r5, r6, #0 -; CHECK-T1-NEXT: adcs r5, r6 -; CHECK-T1-NEXT: ldr r6, [sp] @ 4-byte Reload -; CHECK-T1-NEXT: adds r6, r2, r6 -; CHECK-T1-NEXT: adcs r1, r3 -; CHECK-T1-NEXT: mov r2, r4 +; CHECK-T1-NEXT: ldr r2, .LCPI1_0 +; CHECK-T1-NEXT: cmp r1, #0 ; CHECK-T1-NEXT: bmi .LBB1_6 -; CHECK-T1-NEXT: @ %bb.5: -; CHECK-T1-NEXT: mov r2, r0 +; CHECK-T1-NEXT: .LBB1_5: +; CHECK-T1-NEXT: mov r2, r3 ; CHECK-T1-NEXT: .LBB1_6: -; CHECK-T1-NEXT: subs r0, r7, r2 -; CHECK-T1-NEXT: subs r2, r0, #1 -; CHECK-T1-NEXT: sbcs r0, r2 -; CHECK-T1-NEXT: ands r5, r0 -; CHECK-T1-NEXT: beq .LBB1_8 -; CHECK-T1-NEXT: @ %bb.7: -; CHECK-T1-NEXT: asrs r6, r1, #31 -; CHECK-T1-NEXT: .LBB1_8: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: bmi .LBB1_10 -; CHECK-T1-NEXT: @ %bb.9: -; CHECK-T1-NEXT: lsls r2, r4, #31 -; CHECK-T1-NEXT: cmp r5, #0 -; CHECK-T1-NEXT: beq .LBB1_11 -; CHECK-T1-NEXT: b .LBB1_12 -; CHECK-T1-NEXT: .LBB1_10: -; CHECK-T1-NEXT: ldr r2, .LCPI1_0 -; CHECK-T1-NEXT: cmp r5, #0 -; CHECK-T1-NEXT: bne .LBB1_12 -; CHECK-T1-NEXT: .LBB1_11: -; CHECK-T1-NEXT: mov r2, r1 -; CHECK-T1-NEXT: .LBB1_12: -; CHECK-T1-NEXT: mov r0, r6 ; CHECK-T1-NEXT: mov r1, r2 -; CHECK-T1-NEXT: add sp, #4 -; CHECK-T1-NEXT: pop {r4, r5, r6, r7, pc} +; CHECK-T1-NEXT: pop {r4, pc} ; CHECK-T1-NEXT: .p2align 2 -; CHECK-T1-NEXT: @ %bb.13: +; CHECK-T1-NEXT: @ %bb.7: ; CHECK-T1-NEXT: .LCPI1_0: ; CHECK-T1-NEXT: .long 2147483647 @ 0x7fffffff ; ; CHECK-T2-LABEL: func2: ; CHECK-T2: @ %bb.0: -; CHECK-T2-NEXT: .save {r7, lr} -; CHECK-T2-NEXT: push {r7, lr} -; CHECK-T2-NEXT: cmp r1, #0 -; CHECK-T2-NEXT: mov.w lr, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi.w lr, #1 ; CHECK-T2-NEXT: adds r0, r0, r2 -; CHECK-T2-NEXT: adcs.w r2, r1, r3 -; CHECK-T2-NEXT: mov.w r1, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi r1, #1 -; CHECK-T2-NEXT: mov.w r12, #0 -; CHECK-T2-NEXT: subs.w r1, lr, r1 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: movne r1, #1 +; CHECK-T2-NEXT: eor.w r12, r1, r3 +; CHECK-T2-NEXT: adc.w r2, r1, r3 +; CHECK-T2-NEXT: eors r1, r2 +; CHECK-T2-NEXT: bic.w r3, r1, r12 +; CHECK-T2-NEXT: mov.w r1, #-2147483648 ; CHECK-T2-NEXT: cmp r3, #0 ; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi.w r12, #1 -; CHECK-T2-NEXT: sub.w r3, lr, r12 -; CHECK-T2-NEXT: clz r3, r3 -; CHECK-T2-NEXT: lsrs r3, r3, #5 -; CHECK-T2-NEXT: ands r3, r1 -; CHECK-T2-NEXT: mov.w r1, #-2147483648 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: asrne r0, r2, #31 +; CHECK-T2-NEXT: asrmi r0, r2, #31 ; CHECK-T2-NEXT: cmp r2, #0 ; CHECK-T2-NEXT: it mi ; CHECK-T2-NEXT: mvnmi r1, #-2147483648 ; CHECK-T2-NEXT: cmp r3, #0 -; CHECK-T2-NEXT: it eq -; CHECK-T2-NEXT: moveq r1, r2 -; CHECK-T2-NEXT: pop {r7, pc} +; CHECK-T2-NEXT: it pl +; CHECK-T2-NEXT: movpl r1, r2 +; CHECK-T2-NEXT: bx lr ; ; CHECK-ARM-LABEL: func2: ; CHECK-ARM: @ %bb.0: -; CHECK-ARM-NEXT: .save {r11, lr} -; CHECK-ARM-NEXT: push {r11, lr} -; CHECK-ARM-NEXT: cmp r1, #0 -; CHECK-ARM-NEXT: mov lr, #0 -; CHECK-ARM-NEXT: movmi lr, #1 ; CHECK-ARM-NEXT: adds r0, r0, r2 -; CHECK-ARM-NEXT: adcs r2, r1, r3 -; CHECK-ARM-NEXT: mov r1, #0 -; CHECK-ARM-NEXT: movmi r1, #1 -; CHECK-ARM-NEXT: mov r12, #0 -; CHECK-ARM-NEXT: subs r1, lr, r1 -; CHECK-ARM-NEXT: movne r1, #1 -; CHECK-ARM-NEXT: cmp r3, #0 -; CHECK-ARM-NEXT: movmi r12, #1 -; CHECK-ARM-NEXT: sub r3, lr, r12 -; CHECK-ARM-NEXT: clz r3, r3 -; CHECK-ARM-NEXT: lsr r3, r3, #5 -; CHECK-ARM-NEXT: ands r3, r3, r1 +; CHECK-ARM-NEXT: eor r12, r1, r3 +; CHECK-ARM-NEXT: adc r2, r1, r3 +; CHECK-ARM-NEXT: eor r1, r1, r2 +; CHECK-ARM-NEXT: bic r3, r1, r12 ; CHECK-ARM-NEXT: mov r1, #-2147483648 -; CHECK-ARM-NEXT: asrne r0, r2, #31 +; CHECK-ARM-NEXT: cmp r3, #0 +; CHECK-ARM-NEXT: asrmi r0, r2, #31 ; CHECK-ARM-NEXT: cmp r2, #0 ; CHECK-ARM-NEXT: mvnmi r1, #-2147483648 ; CHECK-ARM-NEXT: cmp r3, #0 -; CHECK-ARM-NEXT: moveq r1, r2 -; CHECK-ARM-NEXT: pop {r11, pc} +; CHECK-ARM-NEXT: movpl r1, r2 +; CHECK-ARM-NEXT: bx lr %tmp = call i64 @llvm.sadd.sat.i64(i64 %x, i64 %y) ret i64 %tmp } diff --git a/llvm/test/CodeGen/ARM/sadd_sat_plus.ll b/llvm/test/CodeGen/ARM/sadd_sat_plus.ll --- a/llvm/test/CodeGen/ARM/sadd_sat_plus.ll +++ b/llvm/test/CodeGen/ARM/sadd_sat_plus.ll @@ -78,132 +78,80 @@ define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind { ; CHECK-T1-LABEL: func64: ; CHECK-T1: @ %bb.0: -; CHECK-T1-NEXT: .save {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: push {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: .pad #4 -; CHECK-T1-NEXT: sub sp, #4 -; CHECK-T1-NEXT: ldr r5, [sp, #28] -; CHECK-T1-NEXT: movs r2, #1 -; CHECK-T1-NEXT: movs r4, #0 -; CHECK-T1-NEXT: cmp r5, #0 -; CHECK-T1-NEXT: mov r3, r2 -; CHECK-T1-NEXT: bmi .LBB1_2 +; CHECK-T1-NEXT: .save {r4, lr} +; CHECK-T1-NEXT: push {r4, lr} +; CHECK-T1-NEXT: ldr r3, [sp, #12] +; CHECK-T1-NEXT: mov r2, r1 +; CHECK-T1-NEXT: eors r2, r3 +; CHECK-T1-NEXT: ldr r4, [sp, #8] +; CHECK-T1-NEXT: adds r0, r0, r4 +; CHECK-T1-NEXT: adcs r3, r1 +; CHECK-T1-NEXT: eors r1, r3 +; CHECK-T1-NEXT: bics r1, r2 +; CHECK-T1-NEXT: bpl .LBB1_2 ; CHECK-T1-NEXT: @ %bb.1: -; CHECK-T1-NEXT: mov r3, r4 +; CHECK-T1-NEXT: asrs r0, r3, #31 ; CHECK-T1-NEXT: .LBB1_2: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: mov r6, r2 +; CHECK-T1-NEXT: cmp r3, #0 ; CHECK-T1-NEXT: bmi .LBB1_4 ; CHECK-T1-NEXT: @ %bb.3: -; CHECK-T1-NEXT: mov r6, r4 +; CHECK-T1-NEXT: movs r2, #1 +; CHECK-T1-NEXT: lsls r2, r2, #31 +; CHECK-T1-NEXT: cmp r1, #0 +; CHECK-T1-NEXT: bpl .LBB1_5 +; CHECK-T1-NEXT: b .LBB1_6 ; CHECK-T1-NEXT: .LBB1_4: -; CHECK-T1-NEXT: subs r7, r6, r3 -; CHECK-T1-NEXT: rsbs r3, r7, #0 -; CHECK-T1-NEXT: adcs r3, r7 -; CHECK-T1-NEXT: ldr r7, [sp, #24] -; CHECK-T1-NEXT: adds r0, r0, r7 -; CHECK-T1-NEXT: adcs r1, r5 -; CHECK-T1-NEXT: mov r5, r2 +; CHECK-T1-NEXT: ldr r2, .LCPI1_0 +; CHECK-T1-NEXT: cmp r1, #0 ; CHECK-T1-NEXT: bmi .LBB1_6 -; CHECK-T1-NEXT: @ %bb.5: -; CHECK-T1-NEXT: mov r5, r4 +; CHECK-T1-NEXT: .LBB1_5: +; CHECK-T1-NEXT: mov r2, r3 ; CHECK-T1-NEXT: .LBB1_6: -; CHECK-T1-NEXT: subs r4, r6, r5 -; CHECK-T1-NEXT: subs r5, r4, #1 -; CHECK-T1-NEXT: sbcs r4, r5 -; CHECK-T1-NEXT: ands r3, r4 -; CHECK-T1-NEXT: beq .LBB1_8 -; CHECK-T1-NEXT: @ %bb.7: -; CHECK-T1-NEXT: asrs r0, r1, #31 -; CHECK-T1-NEXT: .LBB1_8: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: bmi .LBB1_10 -; CHECK-T1-NEXT: @ %bb.9: -; CHECK-T1-NEXT: lsls r2, r2, #31 -; CHECK-T1-NEXT: cmp r3, #0 -; CHECK-T1-NEXT: beq .LBB1_11 -; CHECK-T1-NEXT: b .LBB1_12 -; CHECK-T1-NEXT: .LBB1_10: -; CHECK-T1-NEXT: ldr r2, .LCPI1_0 -; CHECK-T1-NEXT: cmp r3, #0 -; CHECK-T1-NEXT: bne .LBB1_12 -; CHECK-T1-NEXT: .LBB1_11: -; CHECK-T1-NEXT: mov r2, r1 -; CHECK-T1-NEXT: .LBB1_12: ; CHECK-T1-NEXT: mov r1, r2 -; CHECK-T1-NEXT: add sp, #4 -; CHECK-T1-NEXT: pop {r4, r5, r6, r7, pc} +; CHECK-T1-NEXT: pop {r4, pc} ; CHECK-T1-NEXT: .p2align 2 -; CHECK-T1-NEXT: @ %bb.13: +; CHECK-T1-NEXT: @ %bb.7: ; CHECK-T1-NEXT: .LCPI1_0: ; CHECK-T1-NEXT: .long 2147483647 @ 0x7fffffff ; ; CHECK-T2-LABEL: func64: ; CHECK-T2: @ %bb.0: -; CHECK-T2-NEXT: .save {r7, lr} -; CHECK-T2-NEXT: push {r7, lr} -; CHECK-T2-NEXT: ldrd r2, r12, [sp, #8] -; CHECK-T2-NEXT: cmp r1, #0 -; CHECK-T2-NEXT: mov.w r3, #0 -; CHECK-T2-NEXT: mov.w lr, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi r3, #1 +; CHECK-T2-NEXT: ldr r2, [sp] +; CHECK-T2-NEXT: ldr.w r12, [sp, #4] ; CHECK-T2-NEXT: adds r0, r0, r2 -; CHECK-T2-NEXT: adcs.w r2, r1, r12 -; CHECK-T2-NEXT: mov.w r1, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi r1, #1 -; CHECK-T2-NEXT: subs r1, r3, r1 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: movne r1, #1 -; CHECK-T2-NEXT: cmp.w r12, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi.w lr, #1 -; CHECK-T2-NEXT: sub.w r3, r3, lr -; CHECK-T2-NEXT: clz r3, r3 -; CHECK-T2-NEXT: lsrs r3, r3, #5 -; CHECK-T2-NEXT: ands r3, r1 +; CHECK-T2-NEXT: adc.w r2, r1, r12 +; CHECK-T2-NEXT: eor.w r3, r1, r12 +; CHECK-T2-NEXT: eors r1, r2 +; CHECK-T2-NEXT: bic.w r3, r1, r3 ; CHECK-T2-NEXT: mov.w r1, #-2147483648 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: asrne r0, r2, #31 +; CHECK-T2-NEXT: cmp r3, #0 +; CHECK-T2-NEXT: it mi +; CHECK-T2-NEXT: asrmi r0, r2, #31 ; CHECK-T2-NEXT: cmp r2, #0 ; CHECK-T2-NEXT: it mi ; CHECK-T2-NEXT: mvnmi r1, #-2147483648 ; CHECK-T2-NEXT: cmp r3, #0 -; CHECK-T2-NEXT: it eq -; CHECK-T2-NEXT: moveq r1, r2 -; CHECK-T2-NEXT: pop {r7, pc} +; CHECK-T2-NEXT: it pl +; CHECK-T2-NEXT: movpl r1, r2 +; CHECK-T2-NEXT: bx lr ; ; CHECK-ARM-LABEL: func64: ; CHECK-ARM: @ %bb.0: -; CHECK-ARM-NEXT: .save {r11, lr} -; CHECK-ARM-NEXT: push {r11, lr} -; CHECK-ARM-NEXT: ldr r2, [sp, #8] -; CHECK-ARM-NEXT: mov r3, #0 -; CHECK-ARM-NEXT: ldr r12, [sp, #12] -; CHECK-ARM-NEXT: adds r0, r0, r2 -; CHECK-ARM-NEXT: mov r2, #0 -; CHECK-ARM-NEXT: adc lr, r1, r12 -; CHECK-ARM-NEXT: cmp r1, #0 -; CHECK-ARM-NEXT: mov r1, #0 -; CHECK-ARM-NEXT: movwmi r1, #1 -; CHECK-ARM-NEXT: cmp lr, #0 -; CHECK-ARM-NEXT: movwmi r2, #1 -; CHECK-ARM-NEXT: subs r2, r1, r2 -; CHECK-ARM-NEXT: movwne r2, #1 -; CHECK-ARM-NEXT: cmp r12, #0 -; CHECK-ARM-NEXT: movwmi r3, #1 -; CHECK-ARM-NEXT: sub r1, r1, r3 -; CHECK-ARM-NEXT: clz r1, r1 -; CHECK-ARM-NEXT: lsr r1, r1, #5 -; CHECK-ARM-NEXT: ands r2, r1, r2 -; CHECK-ARM-NEXT: asrne r0, lr, #31 +; CHECK-ARM-NEXT: ldr r12, [sp] +; CHECK-ARM-NEXT: ldr r2, [sp, #4] +; CHECK-ARM-NEXT: adds r0, r0, r12 +; CHECK-ARM-NEXT: eor r3, r1, r2 +; CHECK-ARM-NEXT: adc r2, r1, r2 +; CHECK-ARM-NEXT: eor r1, r1, r2 +; CHECK-ARM-NEXT: bic r3, r1, r3 ; CHECK-ARM-NEXT: mov r1, #-2147483648 -; CHECK-ARM-NEXT: cmp lr, #0 -; CHECK-ARM-NEXT: mvnmi r1, #-2147483648 +; CHECK-ARM-NEXT: cmp r3, #0 +; CHECK-ARM-NEXT: asrmi r0, r2, #31 ; CHECK-ARM-NEXT: cmp r2, #0 -; CHECK-ARM-NEXT: moveq r1, lr -; CHECK-ARM-NEXT: pop {r11, pc} +; CHECK-ARM-NEXT: mvnmi r1, #-2147483648 +; CHECK-ARM-NEXT: cmp r3, #0 +; CHECK-ARM-NEXT: movpl r1, r2 +; CHECK-ARM-NEXT: bx lr %a = mul i64 %y, %z %tmp = call i64 @llvm.sadd.sat.i64(i64 %x, i64 %z) ret i64 %tmp diff --git a/llvm/test/CodeGen/ARM/ssub_sat.ll b/llvm/test/CodeGen/ARM/ssub_sat.ll --- a/llvm/test/CodeGen/ARM/ssub_sat.ll +++ b/llvm/test/CodeGen/ARM/ssub_sat.ll @@ -96,129 +96,73 @@ define i64 @func2(i64 %x, i64 %y) nounwind { ; CHECK-T1-LABEL: func2: ; CHECK-T1: @ %bb.0: -; CHECK-T1-NEXT: .save {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: push {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: .pad #4 -; CHECK-T1-NEXT: sub sp, #4 -; CHECK-T1-NEXT: str r2, [sp] @ 4-byte Spill -; CHECK-T1-NEXT: mov r2, r0 -; CHECK-T1-NEXT: movs r4, #1 -; CHECK-T1-NEXT: movs r0, #0 -; CHECK-T1-NEXT: cmp r3, #0 -; CHECK-T1-NEXT: mov r5, r4 -; CHECK-T1-NEXT: bmi .LBB1_2 +; CHECK-T1-NEXT: .save {r4, r5, r7, lr} +; CHECK-T1-NEXT: push {r4, r5, r7, lr} +; CHECK-T1-NEXT: mov r5, r1 +; CHECK-T1-NEXT: eors r5, r3 +; CHECK-T1-NEXT: subs r0, r0, r2 +; CHECK-T1-NEXT: mov r4, r1 +; CHECK-T1-NEXT: sbcs r4, r3 +; CHECK-T1-NEXT: eors r1, r4 +; CHECK-T1-NEXT: ands r1, r5 +; CHECK-T1-NEXT: bpl .LBB1_2 ; CHECK-T1-NEXT: @ %bb.1: -; CHECK-T1-NEXT: mov r5, r0 +; CHECK-T1-NEXT: asrs r0, r4, #31 ; CHECK-T1-NEXT: .LBB1_2: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: mov r7, r4 +; CHECK-T1-NEXT: cmp r4, #0 ; CHECK-T1-NEXT: bmi .LBB1_4 ; CHECK-T1-NEXT: @ %bb.3: -; CHECK-T1-NEXT: mov r7, r0 +; CHECK-T1-NEXT: movs r2, #1 +; CHECK-T1-NEXT: lsls r2, r2, #31 +; CHECK-T1-NEXT: cmp r1, #0 +; CHECK-T1-NEXT: bpl .LBB1_5 +; CHECK-T1-NEXT: b .LBB1_6 ; CHECK-T1-NEXT: .LBB1_4: -; CHECK-T1-NEXT: subs r5, r7, r5 -; CHECK-T1-NEXT: subs r6, r5, #1 -; CHECK-T1-NEXT: sbcs r5, r6 -; CHECK-T1-NEXT: ldr r6, [sp] @ 4-byte Reload -; CHECK-T1-NEXT: subs r6, r2, r6 -; CHECK-T1-NEXT: sbcs r1, r3 -; CHECK-T1-NEXT: mov r2, r4 +; CHECK-T1-NEXT: ldr r2, .LCPI1_0 +; CHECK-T1-NEXT: cmp r1, #0 ; CHECK-T1-NEXT: bmi .LBB1_6 -; CHECK-T1-NEXT: @ %bb.5: -; CHECK-T1-NEXT: mov r2, r0 +; CHECK-T1-NEXT: .LBB1_5: +; CHECK-T1-NEXT: mov r2, r4 ; CHECK-T1-NEXT: .LBB1_6: -; CHECK-T1-NEXT: subs r0, r7, r2 -; CHECK-T1-NEXT: subs r2, r0, #1 -; CHECK-T1-NEXT: sbcs r0, r2 -; CHECK-T1-NEXT: ands r5, r0 -; CHECK-T1-NEXT: beq .LBB1_8 -; CHECK-T1-NEXT: @ %bb.7: -; CHECK-T1-NEXT: asrs r6, r1, #31 -; CHECK-T1-NEXT: .LBB1_8: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: bmi .LBB1_10 -; CHECK-T1-NEXT: @ %bb.9: -; CHECK-T1-NEXT: lsls r2, r4, #31 -; CHECK-T1-NEXT: cmp r5, #0 -; CHECK-T1-NEXT: beq .LBB1_11 -; CHECK-T1-NEXT: b .LBB1_12 -; CHECK-T1-NEXT: .LBB1_10: -; CHECK-T1-NEXT: ldr r2, .LCPI1_0 -; CHECK-T1-NEXT: cmp r5, #0 -; CHECK-T1-NEXT: bne .LBB1_12 -; CHECK-T1-NEXT: .LBB1_11: -; CHECK-T1-NEXT: mov r2, r1 -; CHECK-T1-NEXT: .LBB1_12: -; CHECK-T1-NEXT: mov r0, r6 ; CHECK-T1-NEXT: mov r1, r2 -; CHECK-T1-NEXT: add sp, #4 -; CHECK-T1-NEXT: pop {r4, r5, r6, r7, pc} +; CHECK-T1-NEXT: pop {r4, r5, r7, pc} ; CHECK-T1-NEXT: .p2align 2 -; CHECK-T1-NEXT: @ %bb.13: +; CHECK-T1-NEXT: @ %bb.7: ; CHECK-T1-NEXT: .LCPI1_0: ; CHECK-T1-NEXT: .long 2147483647 @ 0x7fffffff ; ; CHECK-T2-LABEL: func2: ; CHECK-T2: @ %bb.0: -; CHECK-T2-NEXT: .save {r4, lr} -; CHECK-T2-NEXT: push {r4, lr} -; CHECK-T2-NEXT: cmp r3, #0 -; CHECK-T2-NEXT: mov.w lr, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi.w lr, #1 -; CHECK-T2-NEXT: cmp r1, #0 -; CHECK-T2-NEXT: mov.w r4, #0 -; CHECK-T2-NEXT: mov.w r12, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi r4, #1 -; CHECK-T2-NEXT: subs.w lr, r4, lr -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: movne.w lr, #1 ; CHECK-T2-NEXT: subs r0, r0, r2 -; CHECK-T2-NEXT: sbcs.w r2, r1, r3 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi.w r12, #1 -; CHECK-T2-NEXT: subs.w r1, r4, r12 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: movne r1, #1 -; CHECK-T2-NEXT: ands.w r3, lr, r1 +; CHECK-T2-NEXT: eor.w r12, r1, r3 +; CHECK-T2-NEXT: sbc.w r2, r1, r3 +; CHECK-T2-NEXT: eors r1, r2 +; CHECK-T2-NEXT: ands.w r3, r12, r1 ; CHECK-T2-NEXT: mov.w r1, #-2147483648 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: asrne r0, r2, #31 +; CHECK-T2-NEXT: it mi +; CHECK-T2-NEXT: asrmi r0, r2, #31 ; CHECK-T2-NEXT: cmp r2, #0 ; CHECK-T2-NEXT: it mi ; CHECK-T2-NEXT: mvnmi r1, #-2147483648 ; CHECK-T2-NEXT: cmp r3, #0 -; CHECK-T2-NEXT: it eq -; CHECK-T2-NEXT: moveq r1, r2 -; CHECK-T2-NEXT: pop {r4, pc} +; CHECK-T2-NEXT: it pl +; CHECK-T2-NEXT: movpl r1, r2 +; CHECK-T2-NEXT: bx lr ; ; CHECK-ARM-LABEL: func2: ; CHECK-ARM: @ %bb.0: -; CHECK-ARM-NEXT: .save {r4, lr} -; CHECK-ARM-NEXT: push {r4, lr} -; CHECK-ARM-NEXT: cmp r3, #0 -; CHECK-ARM-NEXT: mov lr, #0 -; CHECK-ARM-NEXT: movmi lr, #1 -; CHECK-ARM-NEXT: cmp r1, #0 -; CHECK-ARM-NEXT: mov r4, #0 -; CHECK-ARM-NEXT: mov r12, #0 -; CHECK-ARM-NEXT: movmi r4, #1 -; CHECK-ARM-NEXT: subs lr, r4, lr -; CHECK-ARM-NEXT: movne lr, #1 ; CHECK-ARM-NEXT: subs r0, r0, r2 -; CHECK-ARM-NEXT: sbcs r2, r1, r3 -; CHECK-ARM-NEXT: movmi r12, #1 -; CHECK-ARM-NEXT: subs r1, r4, r12 -; CHECK-ARM-NEXT: movne r1, #1 -; CHECK-ARM-NEXT: ands r3, lr, r1 -; CHECK-ARM-NEXT: asrne r0, r2, #31 +; CHECK-ARM-NEXT: eor r12, r1, r3 +; CHECK-ARM-NEXT: sbc r2, r1, r3 +; CHECK-ARM-NEXT: eor r1, r1, r2 +; CHECK-ARM-NEXT: ands r3, r12, r1 ; CHECK-ARM-NEXT: mov r1, #-2147483648 +; CHECK-ARM-NEXT: asrmi r0, r2, #31 ; CHECK-ARM-NEXT: cmp r2, #0 ; CHECK-ARM-NEXT: mvnmi r1, #-2147483648 ; CHECK-ARM-NEXT: cmp r3, #0 -; CHECK-ARM-NEXT: moveq r1, r2 -; CHECK-ARM-NEXT: pop {r4, pc} +; CHECK-ARM-NEXT: movpl r1, r2 +; CHECK-ARM-NEXT: bx lr %tmp = call i64 @llvm.ssub.sat.i64(i64 %x, i64 %y) ret i64 %tmp } diff --git a/llvm/test/CodeGen/ARM/ssub_sat_plus.ll b/llvm/test/CodeGen/ARM/ssub_sat_plus.ll --- a/llvm/test/CodeGen/ARM/ssub_sat_plus.ll +++ b/llvm/test/CodeGen/ARM/ssub_sat_plus.ll @@ -83,131 +83,79 @@ define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind { ; CHECK-T1-LABEL: func64: ; CHECK-T1: @ %bb.0: -; CHECK-T1-NEXT: .save {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: push {r4, r5, r6, r7, lr} -; CHECK-T1-NEXT: .pad #4 -; CHECK-T1-NEXT: sub sp, #4 -; CHECK-T1-NEXT: ldr r5, [sp, #28] -; CHECK-T1-NEXT: movs r2, #1 -; CHECK-T1-NEXT: movs r4, #0 -; CHECK-T1-NEXT: cmp r5, #0 -; CHECK-T1-NEXT: mov r3, r2 -; CHECK-T1-NEXT: bmi .LBB1_2 +; CHECK-T1-NEXT: .save {r4, lr} +; CHECK-T1-NEXT: push {r4, lr} +; CHECK-T1-NEXT: ldr r2, [sp, #12] +; CHECK-T1-NEXT: mov r4, r1 +; CHECK-T1-NEXT: eors r4, r2 +; CHECK-T1-NEXT: ldr r3, [sp, #8] +; CHECK-T1-NEXT: subs r0, r0, r3 +; CHECK-T1-NEXT: mov r3, r1 +; CHECK-T1-NEXT: sbcs r3, r2 +; CHECK-T1-NEXT: eors r1, r3 +; CHECK-T1-NEXT: ands r1, r4 +; CHECK-T1-NEXT: bpl .LBB1_2 ; CHECK-T1-NEXT: @ %bb.1: -; CHECK-T1-NEXT: mov r3, r4 +; CHECK-T1-NEXT: asrs r0, r3, #31 ; CHECK-T1-NEXT: .LBB1_2: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: mov r6, r2 +; CHECK-T1-NEXT: cmp r3, #0 ; CHECK-T1-NEXT: bmi .LBB1_4 ; CHECK-T1-NEXT: @ %bb.3: -; CHECK-T1-NEXT: mov r6, r4 +; CHECK-T1-NEXT: movs r2, #1 +; CHECK-T1-NEXT: lsls r2, r2, #31 +; CHECK-T1-NEXT: cmp r1, #0 +; CHECK-T1-NEXT: bpl .LBB1_5 +; CHECK-T1-NEXT: b .LBB1_6 ; CHECK-T1-NEXT: .LBB1_4: -; CHECK-T1-NEXT: subs r3, r6, r3 -; CHECK-T1-NEXT: subs r7, r3, #1 -; CHECK-T1-NEXT: sbcs r3, r7 -; CHECK-T1-NEXT: ldr r7, [sp, #24] -; CHECK-T1-NEXT: subs r0, r0, r7 -; CHECK-T1-NEXT: sbcs r1, r5 -; CHECK-T1-NEXT: mov r5, r2 +; CHECK-T1-NEXT: ldr r2, .LCPI1_0 +; CHECK-T1-NEXT: cmp r1, #0 ; CHECK-T1-NEXT: bmi .LBB1_6 -; CHECK-T1-NEXT: @ %bb.5: -; CHECK-T1-NEXT: mov r5, r4 +; CHECK-T1-NEXT: .LBB1_5: +; CHECK-T1-NEXT: mov r2, r3 ; CHECK-T1-NEXT: .LBB1_6: -; CHECK-T1-NEXT: subs r4, r6, r5 -; CHECK-T1-NEXT: subs r5, r4, #1 -; CHECK-T1-NEXT: sbcs r4, r5 -; CHECK-T1-NEXT: ands r3, r4 -; CHECK-T1-NEXT: beq .LBB1_8 -; CHECK-T1-NEXT: @ %bb.7: -; CHECK-T1-NEXT: asrs r0, r1, #31 -; CHECK-T1-NEXT: .LBB1_8: -; CHECK-T1-NEXT: cmp r1, #0 -; CHECK-T1-NEXT: bmi .LBB1_10 -; CHECK-T1-NEXT: @ %bb.9: -; CHECK-T1-NEXT: lsls r2, r2, #31 -; CHECK-T1-NEXT: cmp r3, #0 -; CHECK-T1-NEXT: beq .LBB1_11 -; CHECK-T1-NEXT: b .LBB1_12 -; CHECK-T1-NEXT: .LBB1_10: -; CHECK-T1-NEXT: ldr r2, .LCPI1_0 -; CHECK-T1-NEXT: cmp r3, #0 -; CHECK-T1-NEXT: bne .LBB1_12 -; CHECK-T1-NEXT: .LBB1_11: -; CHECK-T1-NEXT: mov r2, r1 -; CHECK-T1-NEXT: .LBB1_12: ; CHECK-T1-NEXT: mov r1, r2 -; CHECK-T1-NEXT: add sp, #4 -; CHECK-T1-NEXT: pop {r4, r5, r6, r7, pc} +; CHECK-T1-NEXT: pop {r4, pc} ; CHECK-T1-NEXT: .p2align 2 -; CHECK-T1-NEXT: @ %bb.13: +; CHECK-T1-NEXT: @ %bb.7: ; CHECK-T1-NEXT: .LCPI1_0: ; CHECK-T1-NEXT: .long 2147483647 @ 0x7fffffff ; ; CHECK-T2-LABEL: func64: ; CHECK-T2: @ %bb.0: -; CHECK-T2-NEXT: .save {r4, lr} -; CHECK-T2-NEXT: push {r4, lr} -; CHECK-T2-NEXT: ldr.w r12, [sp, #12] -; CHECK-T2-NEXT: movs r2, #0 -; CHECK-T2-NEXT: movs r3, #0 -; CHECK-T2-NEXT: ldr r4, [sp, #8] -; CHECK-T2-NEXT: cmp.w r12, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi r2, #1 -; CHECK-T2-NEXT: cmp r1, #0 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi r3, #1 -; CHECK-T2-NEXT: subs r2, r3, r2 -; CHECK-T2-NEXT: mov.w lr, #0 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: movne r2, #1 -; CHECK-T2-NEXT: subs r0, r0, r4 -; CHECK-T2-NEXT: sbcs.w r4, r1, r12 -; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: movmi.w lr, #1 -; CHECK-T2-NEXT: subs.w r1, r3, lr -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: movne r1, #1 -; CHECK-T2-NEXT: ands r2, r1 +; CHECK-T2-NEXT: ldr r2, [sp] +; CHECK-T2-NEXT: ldr.w r12, [sp, #4] +; CHECK-T2-NEXT: subs r0, r0, r2 +; CHECK-T2-NEXT: sbc.w r2, r1, r12 +; CHECK-T2-NEXT: eor.w r3, r1, r12 +; CHECK-T2-NEXT: eors r1, r2 +; CHECK-T2-NEXT: ands r3, r1 ; CHECK-T2-NEXT: mov.w r1, #-2147483648 -; CHECK-T2-NEXT: it ne -; CHECK-T2-NEXT: asrne r0, r4, #31 -; CHECK-T2-NEXT: cmp r4, #0 ; CHECK-T2-NEXT: it mi -; CHECK-T2-NEXT: mvnmi r1, #-2147483648 +; CHECK-T2-NEXT: asrmi r0, r2, #31 ; CHECK-T2-NEXT: cmp r2, #0 -; CHECK-T2-NEXT: it eq -; CHECK-T2-NEXT: moveq r1, r4 -; CHECK-T2-NEXT: pop {r4, pc} +; CHECK-T2-NEXT: it mi +; CHECK-T2-NEXT: mvnmi r1, #-2147483648 +; CHECK-T2-NEXT: cmp r3, #0 +; CHECK-T2-NEXT: it pl +; CHECK-T2-NEXT: movpl r1, r2 +; CHECK-T2-NEXT: bx lr ; ; CHECK-ARM-LABEL: func64: ; CHECK-ARM: @ %bb.0: -; CHECK-ARM-NEXT: .save {r4, lr} -; CHECK-ARM-NEXT: push {r4, lr} -; CHECK-ARM-NEXT: ldr lr, [sp, #12] -; CHECK-ARM-NEXT: cmp r1, #0 -; CHECK-ARM-NEXT: mov r3, #0 -; CHECK-ARM-NEXT: mov r4, #0 -; CHECK-ARM-NEXT: movwmi r3, #1 -; CHECK-ARM-NEXT: cmp lr, #0 -; CHECK-ARM-NEXT: movwmi r4, #1 -; CHECK-ARM-NEXT: ldr r12, [sp, #8] -; CHECK-ARM-NEXT: subs r4, r3, r4 -; CHECK-ARM-NEXT: mov r2, #0 -; CHECK-ARM-NEXT: movwne r4, #1 +; CHECK-ARM-NEXT: ldr r12, [sp] +; CHECK-ARM-NEXT: ldr r2, [sp, #4] ; CHECK-ARM-NEXT: subs r0, r0, r12 -; CHECK-ARM-NEXT: sbcs r12, r1, lr -; CHECK-ARM-NEXT: movwmi r2, #1 -; CHECK-ARM-NEXT: subs r1, r3, r2 -; CHECK-ARM-NEXT: movwne r1, #1 -; CHECK-ARM-NEXT: ands r2, r4, r1 -; CHECK-ARM-NEXT: asrne r0, r12, #31 +; CHECK-ARM-NEXT: eor r3, r1, r2 +; CHECK-ARM-NEXT: sbc r2, r1, r2 +; CHECK-ARM-NEXT: eor r1, r1, r2 +; CHECK-ARM-NEXT: ands r3, r3, r1 ; CHECK-ARM-NEXT: mov r1, #-2147483648 -; CHECK-ARM-NEXT: cmp r12, #0 -; CHECK-ARM-NEXT: mvnmi r1, #-2147483648 +; CHECK-ARM-NEXT: asrmi r0, r2, #31 ; CHECK-ARM-NEXT: cmp r2, #0 -; CHECK-ARM-NEXT: moveq r1, r12 -; CHECK-ARM-NEXT: pop {r4, pc} +; CHECK-ARM-NEXT: mvnmi r1, #-2147483648 +; CHECK-ARM-NEXT: cmp r3, #0 +; CHECK-ARM-NEXT: movpl r1, r2 +; CHECK-ARM-NEXT: bx lr %a = mul i64 %y, %z %tmp = call i64 @llvm.ssub.sat.i64(i64 %x, i64 %z) ret i64 %tmp diff --git a/llvm/test/CodeGen/RISCV/sadd_sat.ll b/llvm/test/CodeGen/RISCV/sadd_sat.ll --- a/llvm/test/CodeGen/RISCV/sadd_sat.ll +++ b/llvm/test/CodeGen/RISCV/sadd_sat.ll @@ -90,15 +90,11 @@ ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: addi a1, a1, -1 ; RV32I-NEXT: .LBB1_2: -; RV32I-NEXT: slti a5, a2, 0 -; RV32I-NEXT: slti a4, a4, 0 -; RV32I-NEXT: xor a5, a4, a5 -; RV32I-NEXT: snez a5, a5 -; RV32I-NEXT: slti a3, a3, 0 +; RV32I-NEXT: xor a5, a4, a2 ; RV32I-NEXT: xor a3, a4, a3 -; RV32I-NEXT: seqz a3, a3 +; RV32I-NEXT: not a3, a3 ; RV32I-NEXT: and a3, a3, a5 -; RV32I-NEXT: bnez a3, .LBB1_4 +; RV32I-NEXT: bltz a3, .LBB1_4 ; RV32I-NEXT: # %bb.3: ; RV32I-NEXT: mv a1, a2 ; RV32I-NEXT: ret @@ -138,15 +134,10 @@ ; RV32IZbb-NEXT: # %bb.1: ; RV32IZbb-NEXT: addi a1, a1, -1 ; RV32IZbb-NEXT: .LBB1_2: -; RV32IZbb-NEXT: slti a5, a2, 0 -; RV32IZbb-NEXT: slti a4, a4, 0 -; RV32IZbb-NEXT: xor a5, a4, a5 -; RV32IZbb-NEXT: snez a5, a5 -; RV32IZbb-NEXT: slti a3, a3, 0 +; RV32IZbb-NEXT: xor a5, a4, a2 ; RV32IZbb-NEXT: xor a3, a4, a3 -; RV32IZbb-NEXT: seqz a3, a3 -; RV32IZbb-NEXT: and a3, a3, a5 -; RV32IZbb-NEXT: bnez a3, .LBB1_4 +; RV32IZbb-NEXT: andn a3, a5, a3 +; RV32IZbb-NEXT: bltz a3, .LBB1_4 ; RV32IZbb-NEXT: # %bb.3: ; RV32IZbb-NEXT: mv a1, a2 ; RV32IZbb-NEXT: ret diff --git a/llvm/test/CodeGen/RISCV/sadd_sat_plus.ll b/llvm/test/CodeGen/RISCV/sadd_sat_plus.ll --- a/llvm/test/CodeGen/RISCV/sadd_sat_plus.ll +++ b/llvm/test/CodeGen/RISCV/sadd_sat_plus.ll @@ -99,15 +99,11 @@ ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: addi a1, a1, -1 ; RV32I-NEXT: .LBB1_2: -; RV32I-NEXT: slti a4, a3, 0 -; RV32I-NEXT: slti a2, a2, 0 -; RV32I-NEXT: xor a4, a2, a4 -; RV32I-NEXT: snez a4, a4 -; RV32I-NEXT: slti a5, a5, 0 +; RV32I-NEXT: xor a4, a2, a3 ; RV32I-NEXT: xor a2, a2, a5 -; RV32I-NEXT: seqz a2, a2 +; RV32I-NEXT: not a2, a2 ; RV32I-NEXT: and a2, a2, a4 -; RV32I-NEXT: bnez a2, .LBB1_4 +; RV32I-NEXT: bltz a2, .LBB1_4 ; RV32I-NEXT: # %bb.3: ; RV32I-NEXT: mv a1, a3 ; RV32I-NEXT: ret @@ -147,15 +143,10 @@ ; RV32IZbb-NEXT: # %bb.1: ; RV32IZbb-NEXT: addi a1, a1, -1 ; RV32IZbb-NEXT: .LBB1_2: -; RV32IZbb-NEXT: slti a4, a3, 0 -; RV32IZbb-NEXT: slti a2, a2, 0 -; RV32IZbb-NEXT: xor a4, a2, a4 -; RV32IZbb-NEXT: snez a4, a4 -; RV32IZbb-NEXT: slti a5, a5, 0 +; RV32IZbb-NEXT: xor a4, a2, a3 ; RV32IZbb-NEXT: xor a2, a2, a5 -; RV32IZbb-NEXT: seqz a2, a2 -; RV32IZbb-NEXT: and a2, a2, a4 -; RV32IZbb-NEXT: bnez a2, .LBB1_4 +; RV32IZbb-NEXT: andn a2, a4, a2 +; RV32IZbb-NEXT: bltz a2, .LBB1_4 ; RV32IZbb-NEXT: # %bb.3: ; RV32IZbb-NEXT: mv a1, a3 ; RV32IZbb-NEXT: ret diff --git a/llvm/test/CodeGen/RISCV/ssub_sat.ll b/llvm/test/CodeGen/RISCV/ssub_sat.ll --- a/llvm/test/CodeGen/RISCV/ssub_sat.ll +++ b/llvm/test/CodeGen/RISCV/ssub_sat.ll @@ -81,30 +81,25 @@ define i64 @func2(i64 %x, i64 %y) nounwind { ; RV32I-LABEL: func2: ; RV32I: # %bb.0: -; RV32I-NEXT: mv a6, a1 +; RV32I-NEXT: mv a4, a1 ; RV32I-NEXT: sltu a1, a0, a2 -; RV32I-NEXT: sub a5, a6, a3 -; RV32I-NEXT: sub t0, a5, a1 +; RV32I-NEXT: sub a5, a4, a3 +; RV32I-NEXT: sub a5, a5, a1 ; RV32I-NEXT: lui a1, 524288 -; RV32I-NEXT: bgez t0, .LBB1_2 +; RV32I-NEXT: bgez a5, .LBB1_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: addi a1, a1, -1 ; RV32I-NEXT: .LBB1_2: -; RV32I-NEXT: slti a7, t0, 0 -; RV32I-NEXT: slti a4, a6, 0 -; RV32I-NEXT: xor a5, a4, a7 -; RV32I-NEXT: snez a5, a5 -; RV32I-NEXT: slti a3, a3, 0 +; RV32I-NEXT: xor a6, a4, a5 ; RV32I-NEXT: xor a3, a4, a3 -; RV32I-NEXT: snez a3, a3 -; RV32I-NEXT: and a3, a3, a5 -; RV32I-NEXT: bnez a3, .LBB1_4 +; RV32I-NEXT: and a3, a3, a6 +; RV32I-NEXT: bltz a3, .LBB1_4 ; RV32I-NEXT: # %bb.3: ; RV32I-NEXT: sub a0, a0, a2 -; RV32I-NEXT: mv a1, t0 +; RV32I-NEXT: mv a1, a5 ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB1_4: -; RV32I-NEXT: srai a0, t0, 31 +; RV32I-NEXT: srai a0, a5, 31 ; RV32I-NEXT: ret ; ; RV64I-LABEL: func2: @@ -129,30 +124,25 @@ ; ; RV32IZbb-LABEL: func2: ; RV32IZbb: # %bb.0: -; RV32IZbb-NEXT: mv a6, a1 +; RV32IZbb-NEXT: mv a4, a1 ; RV32IZbb-NEXT: sltu a1, a0, a2 -; RV32IZbb-NEXT: sub a5, a6, a3 -; RV32IZbb-NEXT: sub t0, a5, a1 +; RV32IZbb-NEXT: sub a5, a4, a3 +; RV32IZbb-NEXT: sub a5, a5, a1 ; RV32IZbb-NEXT: lui a1, 524288 -; RV32IZbb-NEXT: bgez t0, .LBB1_2 +; RV32IZbb-NEXT: bgez a5, .LBB1_2 ; RV32IZbb-NEXT: # %bb.1: ; RV32IZbb-NEXT: addi a1, a1, -1 ; RV32IZbb-NEXT: .LBB1_2: -; RV32IZbb-NEXT: slti a7, t0, 0 -; RV32IZbb-NEXT: slti a4, a6, 0 -; RV32IZbb-NEXT: xor a5, a4, a7 -; RV32IZbb-NEXT: snez a5, a5 -; RV32IZbb-NEXT: slti a3, a3, 0 +; RV32IZbb-NEXT: xor a6, a4, a5 ; RV32IZbb-NEXT: xor a3, a4, a3 -; RV32IZbb-NEXT: snez a3, a3 -; RV32IZbb-NEXT: and a3, a3, a5 -; RV32IZbb-NEXT: bnez a3, .LBB1_4 +; RV32IZbb-NEXT: and a3, a3, a6 +; RV32IZbb-NEXT: bltz a3, .LBB1_4 ; RV32IZbb-NEXT: # %bb.3: ; RV32IZbb-NEXT: sub a0, a0, a2 -; RV32IZbb-NEXT: mv a1, t0 +; RV32IZbb-NEXT: mv a1, a5 ; RV32IZbb-NEXT: ret ; RV32IZbb-NEXT: .LBB1_4: -; RV32IZbb-NEXT: srai a0, t0, 31 +; RV32IZbb-NEXT: srai a0, a5, 31 ; RV32IZbb-NEXT: ret ; ; RV64IZbb-LABEL: func2: diff --git a/llvm/test/CodeGen/RISCV/ssub_sat_plus.ll b/llvm/test/CodeGen/RISCV/ssub_sat_plus.ll --- a/llvm/test/CodeGen/RISCV/ssub_sat_plus.ll +++ b/llvm/test/CodeGen/RISCV/ssub_sat_plus.ll @@ -88,30 +88,25 @@ define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind { ; RV32I-LABEL: func64: ; RV32I: # %bb.0: -; RV32I-NEXT: mv a6, a1 +; RV32I-NEXT: mv a2, a1 ; RV32I-NEXT: sltu a1, a0, a4 -; RV32I-NEXT: sub a3, a6, a5 -; RV32I-NEXT: sub t0, a3, a1 +; RV32I-NEXT: sub a3, a2, a5 +; RV32I-NEXT: sub a3, a3, a1 ; RV32I-NEXT: lui a1, 524288 -; RV32I-NEXT: bgez t0, .LBB1_2 +; RV32I-NEXT: bgez a3, .LBB1_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: addi a1, a1, -1 ; RV32I-NEXT: .LBB1_2: -; RV32I-NEXT: slti a7, t0, 0 -; RV32I-NEXT: slti a2, a6, 0 -; RV32I-NEXT: xor a3, a2, a7 -; RV32I-NEXT: snez a3, a3 -; RV32I-NEXT: slti a5, a5, 0 +; RV32I-NEXT: xor a6, a2, a3 ; RV32I-NEXT: xor a2, a2, a5 -; RV32I-NEXT: snez a2, a2 -; RV32I-NEXT: and a2, a2, a3 -; RV32I-NEXT: bnez a2, .LBB1_4 +; RV32I-NEXT: and a2, a2, a6 +; RV32I-NEXT: bltz a2, .LBB1_4 ; RV32I-NEXT: # %bb.3: ; RV32I-NEXT: sub a0, a0, a4 -; RV32I-NEXT: mv a1, t0 +; RV32I-NEXT: mv a1, a3 ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB1_4: -; RV32I-NEXT: srai a0, t0, 31 +; RV32I-NEXT: srai a0, a3, 31 ; RV32I-NEXT: ret ; ; RV64I-LABEL: func64: @@ -136,30 +131,25 @@ ; ; RV32IZbb-LABEL: func64: ; RV32IZbb: # %bb.0: -; RV32IZbb-NEXT: mv a6, a1 +; RV32IZbb-NEXT: mv a2, a1 ; RV32IZbb-NEXT: sltu a1, a0, a4 -; RV32IZbb-NEXT: sub a3, a6, a5 -; RV32IZbb-NEXT: sub t0, a3, a1 +; RV32IZbb-NEXT: sub a3, a2, a5 +; RV32IZbb-NEXT: sub a3, a3, a1 ; RV32IZbb-NEXT: lui a1, 524288 -; RV32IZbb-NEXT: bgez t0, .LBB1_2 +; RV32IZbb-NEXT: bgez a3, .LBB1_2 ; RV32IZbb-NEXT: # %bb.1: ; RV32IZbb-NEXT: addi a1, a1, -1 ; RV32IZbb-NEXT: .LBB1_2: -; RV32IZbb-NEXT: slti a7, t0, 0 -; RV32IZbb-NEXT: slti a2, a6, 0 -; RV32IZbb-NEXT: xor a3, a2, a7 -; RV32IZbb-NEXT: snez a3, a3 -; RV32IZbb-NEXT: slti a5, a5, 0 +; RV32IZbb-NEXT: xor a6, a2, a3 ; RV32IZbb-NEXT: xor a2, a2, a5 -; RV32IZbb-NEXT: snez a2, a2 -; RV32IZbb-NEXT: and a2, a2, a3 -; RV32IZbb-NEXT: bnez a2, .LBB1_4 +; RV32IZbb-NEXT: and a2, a2, a6 +; RV32IZbb-NEXT: bltz a2, .LBB1_4 ; RV32IZbb-NEXT: # %bb.3: ; RV32IZbb-NEXT: sub a0, a0, a4 -; RV32IZbb-NEXT: mv a1, t0 +; RV32IZbb-NEXT: mv a1, a3 ; RV32IZbb-NEXT: ret ; RV32IZbb-NEXT: .LBB1_4: -; RV32IZbb-NEXT: srai a0, t0, 31 +; RV32IZbb-NEXT: srai a0, a3, 31 ; RV32IZbb-NEXT: ret ; ; RV64IZbb-LABEL: func64: diff --git a/llvm/test/CodeGen/RISCV/xaluo.ll b/llvm/test/CodeGen/RISCV/xaluo.ll --- a/llvm/test/CodeGen/RISCV/xaluo.ll +++ b/llvm/test/CodeGen/RISCV/xaluo.ll @@ -123,14 +123,11 @@ ; RV32-NEXT: add a2, a0, a2 ; RV32-NEXT: sltu a0, a2, a0 ; RV32-NEXT: add a5, a5, a0 -; RV32-NEXT: slti a0, a5, 0 -; RV32-NEXT: slti a1, a1, 0 -; RV32-NEXT: xor a0, a1, a0 -; RV32-NEXT: snez a0, a0 -; RV32-NEXT: slti a3, a3, 0 +; RV32-NEXT: xor a0, a1, a5 ; RV32-NEXT: xor a1, a1, a3 -; RV32-NEXT: seqz a1, a1 +; RV32-NEXT: not a1, a1 ; RV32-NEXT: and a0, a1, a0 +; RV32-NEXT: slti a0, a0, 0 ; RV32-NEXT: sw a2, 0(a4) ; RV32-NEXT: sw a5, 4(a4) ; RV32-NEXT: ret @@ -154,18 +151,15 @@ define zeroext i1 @saddo2.i64(i64 %v1, i64* %res) { ; RV32-LABEL: saddo2.i64: ; RV32: # %bb.0: # %entry -; RV32-NEXT: addi a3, zero, -1 -; RV32-NEXT: slt a3, a3, a1 -; RV32-NEXT: addi a4, a0, 4 -; RV32-NEXT: sltu a0, a4, a0 -; RV32-NEXT: add a5, a1, a0 -; RV32-NEXT: slti a0, a5, 0 -; RV32-NEXT: slti a1, a1, 0 -; RV32-NEXT: xor a0, a1, a0 -; RV32-NEXT: snez a0, a0 -; RV32-NEXT: and a0, a3, a0 -; RV32-NEXT: sw a4, 0(a2) -; RV32-NEXT: sw a5, 4(a2) +; RV32-NEXT: addi a3, a0, 4 +; RV32-NEXT: sltu a0, a3, a0 +; RV32-NEXT: add a4, a1, a0 +; RV32-NEXT: xor a0, a1, a4 +; RV32-NEXT: not a1, a1 +; RV32-NEXT: and a0, a1, a0 +; RV32-NEXT: slti a0, a0, 0 +; RV32-NEXT: sw a3, 0(a2) +; RV32-NEXT: sw a4, 4(a2) ; RV32-NEXT: ret ; ; RV64-LABEL: saddo2.i64: @@ -189,11 +183,9 @@ ; RV32-NEXT: sltu a0, a3, a0 ; RV32-NEXT: add a0, a1, a0 ; RV32-NEXT: addi a4, a0, -1 -; RV32-NEXT: slti a0, a4, 0 -; RV32-NEXT: slti a1, a1, 0 -; RV32-NEXT: xor a0, a1, a0 -; RV32-NEXT: snez a0, a0 +; RV32-NEXT: xor a0, a1, a4 ; RV32-NEXT: and a0, a1, a0 +; RV32-NEXT: slti a0, a0, 0 ; RV32-NEXT: sw a3, 0(a2) ; RV32-NEXT: sw a4, 4(a2) ; RV32-NEXT: ret @@ -329,18 +321,14 @@ ; RV32: # %bb.0: # %entry ; RV32-NEXT: sltu a6, a0, a2 ; RV32-NEXT: sub a5, a1, a3 -; RV32-NEXT: sub a7, a5, a6 -; RV32-NEXT: slti a6, a7, 0 -; RV32-NEXT: slti a1, a1, 0 -; RV32-NEXT: xor a5, a1, a6 -; RV32-NEXT: snez a5, a5 -; RV32-NEXT: slti a3, a3, 0 +; RV32-NEXT: sub a5, a5, a6 +; RV32-NEXT: xor a6, a1, a5 ; RV32-NEXT: xor a1, a1, a3 -; RV32-NEXT: snez a1, a1 -; RV32-NEXT: and a1, a1, a5 +; RV32-NEXT: and a1, a1, a6 +; RV32-NEXT: slti a1, a1, 0 ; RV32-NEXT: sub a0, a0, a2 ; RV32-NEXT: sw a0, 0(a4) -; RV32-NEXT: sw a7, 4(a4) +; RV32-NEXT: sw a5, 4(a4) ; RV32-NEXT: mv a0, a1 ; RV32-NEXT: ret ; @@ -776,15 +764,11 @@ ; RV32-NEXT: add a5, a0, a2 ; RV32-NEXT: sltu a5, a5, a0 ; RV32-NEXT: add a4, a4, a5 -; RV32-NEXT: slti a4, a4, 0 -; RV32-NEXT: slti a5, a1, 0 -; RV32-NEXT: xor a4, a5, a4 -; RV32-NEXT: snez a6, a4 -; RV32-NEXT: slti a4, a3, 0 -; RV32-NEXT: xor a4, a5, a4 -; RV32-NEXT: seqz a4, a4 -; RV32-NEXT: and a4, a4, a6 -; RV32-NEXT: bnez a4, .LBB24_2 +; RV32-NEXT: xor a4, a1, a4 +; RV32-NEXT: xor a5, a1, a3 +; RV32-NEXT: not a5, a5 +; RV32-NEXT: and a4, a5, a4 +; RV32-NEXT: bltz a4, .LBB24_2 ; RV32-NEXT: # %bb.1: # %entry ; RV32-NEXT: mv a0, a2 ; RV32-NEXT: mv a1, a3 @@ -816,15 +800,12 @@ ; RV32-NEXT: add a2, a0, a2 ; RV32-NEXT: sltu a0, a2, a0 ; RV32-NEXT: add a0, a4, a0 -; RV32-NEXT: slti a0, a0, 0 -; RV32-NEXT: slti a1, a1, 0 ; RV32-NEXT: xor a0, a1, a0 -; RV32-NEXT: snez a0, a0 -; RV32-NEXT: slti a2, a3, 0 -; RV32-NEXT: xor a1, a1, a2 -; RV32-NEXT: seqz a1, a1 +; RV32-NEXT: xor a1, a1, a3 +; RV32-NEXT: not a1, a1 ; RV32-NEXT: and a0, a1, a0 -; RV32-NEXT: xori a0, a0, 1 +; RV32-NEXT: addi a1, zero, -1 +; RV32-NEXT: slt a0, a1, a0 ; RV32-NEXT: ret ; ; RV64-LABEL: saddo.not.i64: @@ -1027,15 +1008,10 @@ ; RV32-NEXT: sltu a4, a0, a2 ; RV32-NEXT: sub a5, a1, a3 ; RV32-NEXT: sub a4, a5, a4 -; RV32-NEXT: slti a4, a4, 0 -; RV32-NEXT: slti a5, a1, 0 -; RV32-NEXT: xor a4, a5, a4 -; RV32-NEXT: snez a6, a4 -; RV32-NEXT: slti a4, a3, 0 -; RV32-NEXT: xor a4, a5, a4 -; RV32-NEXT: snez a4, a4 -; RV32-NEXT: and a4, a4, a6 -; RV32-NEXT: bnez a4, .LBB32_2 +; RV32-NEXT: xor a4, a1, a4 +; RV32-NEXT: xor a5, a1, a3 +; RV32-NEXT: and a4, a5, a4 +; RV32-NEXT: bltz a4, .LBB32_2 ; RV32-NEXT: # %bb.1: # %entry ; RV32-NEXT: mv a0, a2 ; RV32-NEXT: mv a1, a3 @@ -1066,15 +1042,11 @@ ; RV32-NEXT: sltu a0, a0, a2 ; RV32-NEXT: sub a2, a1, a3 ; RV32-NEXT: sub a0, a2, a0 -; RV32-NEXT: slti a0, a0, 0 -; RV32-NEXT: slti a1, a1, 0 ; RV32-NEXT: xor a0, a1, a0 -; RV32-NEXT: snez a0, a0 -; RV32-NEXT: slti a2, a3, 0 -; RV32-NEXT: xor a1, a1, a2 -; RV32-NEXT: snez a1, a1 +; RV32-NEXT: xor a1, a1, a3 ; RV32-NEXT: and a0, a1, a0 -; RV32-NEXT: xori a0, a0, 1 +; RV32-NEXT: addi a1, zero, -1 +; RV32-NEXT: slt a0, a1, a0 ; RV32-NEXT: ret ; ; RV64-LABEL: ssub.not.i64: @@ -1562,15 +1534,12 @@ ; RV32-NEXT: add a2, a0, a2 ; RV32-NEXT: sltu a0, a2, a0 ; RV32-NEXT: add a0, a4, a0 -; RV32-NEXT: slti a0, a0, 0 -; RV32-NEXT: slti a1, a1, 0 ; RV32-NEXT: xor a0, a1, a0 -; RV32-NEXT: snez a0, a0 -; RV32-NEXT: slti a2, a3, 0 -; RV32-NEXT: xor a1, a1, a2 -; RV32-NEXT: seqz a1, a1 +; RV32-NEXT: xor a1, a1, a3 +; RV32-NEXT: not a1, a1 ; RV32-NEXT: and a0, a1, a0 -; RV32-NEXT: beqz a0, .LBB47_2 +; RV32-NEXT: addi a1, zero, -1 +; RV32-NEXT: blt a1, a0, .LBB47_2 ; RV32-NEXT: # %bb.1: # %overflow ; RV32-NEXT: mv a0, zero ; RV32-NEXT: ret @@ -1734,15 +1703,11 @@ ; RV32-NEXT: sltu a0, a0, a2 ; RV32-NEXT: sub a2, a1, a3 ; RV32-NEXT: sub a0, a2, a0 -; RV32-NEXT: slti a0, a0, 0 -; RV32-NEXT: slti a1, a1, 0 ; RV32-NEXT: xor a0, a1, a0 -; RV32-NEXT: snez a0, a0 -; RV32-NEXT: slti a2, a3, 0 -; RV32-NEXT: xor a1, a1, a2 -; RV32-NEXT: snez a1, a1 +; RV32-NEXT: xor a1, a1, a3 ; RV32-NEXT: and a0, a1, a0 -; RV32-NEXT: beqz a0, .LBB51_2 +; RV32-NEXT: addi a1, zero, -1 +; RV32-NEXT: blt a1, a0, .LBB51_2 ; RV32-NEXT: # %bb.1: # %overflow ; RV32-NEXT: mv a0, zero ; RV32-NEXT: ret diff --git a/llvm/test/CodeGen/Thumb2/mve-saturating-arith.ll b/llvm/test/CodeGen/Thumb2/mve-saturating-arith.ll --- a/llvm/test/CodeGen/Thumb2/mve-saturating-arith.ll +++ b/llvm/test/CodeGen/Thumb2/mve-saturating-arith.ll @@ -34,58 +34,52 @@ define arm_aapcs_vfpcc <2 x i64> @sadd_int64_t(<2 x i64> %src1, <2 x i64> %src2) { ; CHECK-LABEL: sadd_int64_t: ; CHECK: @ %bb.0: @ %entry -; CHECK-NEXT: .save {r4, r5, r6, r7, lr} -; CHECK-NEXT: push {r4, r5, r6, r7, lr} +; CHECK-NEXT: .save {r4, r5, r7, lr} +; CHECK-NEXT: push {r4, r5, r7, lr} +; CHECK-NEXT: vmov r3, s6 +; CHECK-NEXT: vmov r2, s2 ; CHECK-NEXT: vmov r0, s7 -; CHECK-NEXT: vmov r2, s3 -; CHECK-NEXT: vmov lr, s6 -; CHECK-NEXT: vmov r4, s1 -; CHECK-NEXT: vmov r6, s4 -; CHECK-NEXT: vmov r7, s0 -; CHECK-NEXT: cmp r0, #0 -; CHECK-NEXT: cset r1, mi -; CHECK-NEXT: cmp r2, #0 -; CHECK-NEXT: cset r3, mi -; CHECK-NEXT: cmp r3, r1 -; CHECK-NEXT: vmov r1, s2 -; CHECK-NEXT: cset r12, eq -; CHECK-NEXT: adds.w r1, r1, lr -; CHECK-NEXT: adcs.w lr, r2, r0 -; CHECK-NEXT: cset r2, mi -; CHECK-NEXT: cmp r3, r2 -; CHECK-NEXT: cset r3, ne -; CHECK-NEXT: and.w r3, r3, r12 -; CHECK-NEXT: ands r12, r3, #1 +; CHECK-NEXT: vmov r1, s3 +; CHECK-NEXT: vmov r4, s4 +; CHECK-NEXT: vmov r5, s0 +; CHECK-NEXT: adds r2, r2, r3 ; CHECK-NEXT: vmov r3, s5 +; CHECK-NEXT: eor.w r12, r1, r0 +; CHECK-NEXT: adcs r0, r1 +; CHECK-NEXT: eors r1, r0 +; CHECK-NEXT: bic.w r1, r1, r12 +; CHECK-NEXT: cmp r1, #0 +; CHECK-NEXT: cset r1, mi +; CHECK-NEXT: ands r12, r1, #1 +; CHECK-NEXT: vmov r1, s1 ; CHECK-NEXT: it ne -; CHECK-NEXT: asrne.w r1, lr, #31 -; CHECK-NEXT: cmp r3, #0 -; CHECK-NEXT: cset r0, mi -; CHECK-NEXT: cmp r4, #0 -; CHECK-NEXT: cset r5, mi -; CHECK-NEXT: cmp r5, r0 -; CHECK-NEXT: cset r0, eq -; CHECK-NEXT: adds r6, r6, r7 -; CHECK-NEXT: adcs r3, r4 -; CHECK-NEXT: cset r4, mi -; CHECK-NEXT: cmp r5, r4 -; CHECK-NEXT: cset r5, ne -; CHECK-NEXT: ands r0, r5 -; CHECK-NEXT: ands r0, r0, #1 +; CHECK-NEXT: asrne r2, r0, #31 +; CHECK-NEXT: adds r4, r4, r5 +; CHECK-NEXT: mvn r5, #-2147483648 +; CHECK-NEXT: eor.w lr, r1, r3 +; CHECK-NEXT: adcs r3, r1 +; CHECK-NEXT: eors r1, r3 +; CHECK-NEXT: bic.w r1, r1, lr +; CHECK-NEXT: cmp r1, #0 +; CHECK-NEXT: cset r1, mi +; CHECK-NEXT: ands r1, r1, #1 ; CHECK-NEXT: it ne -; CHECK-NEXT: asrne r6, r3, #31 -; CHECK-NEXT: vmov q0[2], q0[0], r6, r1 -; CHECK-NEXT: mvn r1, #-2147483648 +; CHECK-NEXT: asrne r4, r3, #31 +; CHECK-NEXT: cmp r0, #0 +; CHECK-NEXT: vmov q0[2], q0[0], r4, r2 +; CHECK-NEXT: cset r2, mi ; CHECK-NEXT: tst.w r2, #1 -; CHECK-NEXT: cinv r2, r1, eq +; CHECK-NEXT: cinv r2, r5, eq ; CHECK-NEXT: cmp.w r12, #0 -; CHECK-NEXT: csel r2, r2, lr, ne -; CHECK-NEXT: tst.w r4, #1 -; CHECK-NEXT: cinv r1, r1, eq -; CHECK-NEXT: cmp r0, #0 -; CHECK-NEXT: csel r0, r1, r3, ne -; CHECK-NEXT: vmov q0[3], q0[1], r0, r2 -; CHECK-NEXT: pop {r4, r5, r6, r7, pc} +; CHECK-NEXT: csel r0, r2, r0, ne +; CHECK-NEXT: cmp r3, #0 +; CHECK-NEXT: cset r2, mi +; CHECK-NEXT: tst.w r2, #1 +; CHECK-NEXT: cinv r2, r5, eq +; CHECK-NEXT: cmp r1, #0 +; CHECK-NEXT: csel r1, r2, r3, ne +; CHECK-NEXT: vmov q0[3], q0[1], r1, r0 +; CHECK-NEXT: pop {r4, r5, r7, pc} entry: %0 = call <2 x i64> @llvm.sadd.sat.v2i64(<2 x i64> %src1, <2 x i64> %src2) ret <2 x i64> %0 @@ -193,58 +187,50 @@ define arm_aapcs_vfpcc <2 x i64> @ssub_int64_t(<2 x i64> %src1, <2 x i64> %src2) { ; CHECK-LABEL: ssub_int64_t: ; CHECK: @ %bb.0: @ %entry -; CHECK-NEXT: .save {r4, r5, r6, r7, lr} -; CHECK-NEXT: push {r4, r5, r6, r7, lr} +; CHECK-NEXT: .save {r4, r5, r7, lr} +; CHECK-NEXT: push {r4, r5, r7, lr} +; CHECK-NEXT: vmov r3, s6 +; CHECK-NEXT: vmov r2, s2 ; CHECK-NEXT: vmov r0, s7 -; CHECK-NEXT: vmov r2, s3 -; CHECK-NEXT: vmov lr, s6 -; CHECK-NEXT: vmov r4, s1 -; CHECK-NEXT: vmov r6, s4 -; CHECK-NEXT: vmov r7, s0 -; CHECK-NEXT: cmp r0, #0 -; CHECK-NEXT: cset r1, mi -; CHECK-NEXT: cmp r2, #0 -; CHECK-NEXT: cset r3, mi -; CHECK-NEXT: cmp r3, r1 -; CHECK-NEXT: vmov r1, s2 -; CHECK-NEXT: cset r12, ne -; CHECK-NEXT: subs.w r1, r1, lr -; CHECK-NEXT: sbcs.w lr, r2, r0 -; CHECK-NEXT: cset r2, mi -; CHECK-NEXT: cmp r3, r2 -; CHECK-NEXT: cset r3, ne -; CHECK-NEXT: and.w r3, r3, r12 -; CHECK-NEXT: ands r12, r3, #1 +; CHECK-NEXT: vmov r1, s3 +; CHECK-NEXT: vmov r4, s4 +; CHECK-NEXT: vmov r5, s0 +; CHECK-NEXT: subs r2, r2, r3 ; CHECK-NEXT: vmov r3, s5 +; CHECK-NEXT: eor.w r12, r1, r0 +; CHECK-NEXT: sbc.w r0, r1, r0 +; CHECK-NEXT: eors r1, r0 +; CHECK-NEXT: ands.w r1, r1, r12 +; CHECK-NEXT: cset r1, mi +; CHECK-NEXT: ands r12, r1, #1 +; CHECK-NEXT: vmov r1, s1 ; CHECK-NEXT: it ne -; CHECK-NEXT: asrne.w r1, lr, #31 -; CHECK-NEXT: cmp r3, #0 -; CHECK-NEXT: cset r0, mi -; CHECK-NEXT: cmp r4, #0 -; CHECK-NEXT: cset r5, mi -; CHECK-NEXT: cmp r5, r0 -; CHECK-NEXT: cset r0, ne -; CHECK-NEXT: subs r6, r7, r6 -; CHECK-NEXT: sbcs.w r3, r4, r3 -; CHECK-NEXT: cset r4, mi -; CHECK-NEXT: cmp r5, r4 -; CHECK-NEXT: cset r5, ne -; CHECK-NEXT: ands r0, r5 -; CHECK-NEXT: ands r0, r0, #1 +; CHECK-NEXT: asrne r2, r0, #31 +; CHECK-NEXT: subs r4, r5, r4 +; CHECK-NEXT: mvn r5, #-2147483648 +; CHECK-NEXT: eor.w lr, r1, r3 +; CHECK-NEXT: sbc.w r3, r1, r3 +; CHECK-NEXT: eors r1, r3 +; CHECK-NEXT: ands.w r1, r1, lr +; CHECK-NEXT: cset r1, mi +; CHECK-NEXT: ands r1, r1, #1 ; CHECK-NEXT: it ne -; CHECK-NEXT: asrne r6, r3, #31 -; CHECK-NEXT: vmov q0[2], q0[0], r6, r1 -; CHECK-NEXT: mvn r1, #-2147483648 +; CHECK-NEXT: asrne r4, r3, #31 +; CHECK-NEXT: cmp r0, #0 +; CHECK-NEXT: vmov q0[2], q0[0], r4, r2 +; CHECK-NEXT: cset r2, mi ; CHECK-NEXT: tst.w r2, #1 -; CHECK-NEXT: cinv r2, r1, eq +; CHECK-NEXT: cinv r2, r5, eq ; CHECK-NEXT: cmp.w r12, #0 -; CHECK-NEXT: csel r2, r2, lr, ne -; CHECK-NEXT: tst.w r4, #1 -; CHECK-NEXT: cinv r1, r1, eq -; CHECK-NEXT: cmp r0, #0 -; CHECK-NEXT: csel r0, r1, r3, ne -; CHECK-NEXT: vmov q0[3], q0[1], r0, r2 -; CHECK-NEXT: pop {r4, r5, r6, r7, pc} +; CHECK-NEXT: csel r0, r2, r0, ne +; CHECK-NEXT: cmp r3, #0 +; CHECK-NEXT: cset r2, mi +; CHECK-NEXT: tst.w r2, #1 +; CHECK-NEXT: cinv r2, r5, eq +; CHECK-NEXT: cmp r1, #0 +; CHECK-NEXT: csel r1, r2, r3, ne +; CHECK-NEXT: vmov q0[3], q0[1], r1, r0 +; CHECK-NEXT: pop {r4, r5, r7, pc} entry: %0 = call <2 x i64> @llvm.ssub.sat.v2i64(<2 x i64> %src1, <2 x i64> %src2) ret <2 x i64> %0