; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve -verify-machineinstrs %s -o - | FileCheck %s define void @arm_min_q31(i32* nocapture readonly %pSrc, i32 %blockSize, i32* nocapture %pResult, i32* nocapture %pIndex) { ; CHECK-LABEL: arm_min_q31: ; CHECK: @ %bb.0: @ %entry ; CHECK-NEXT: .save {r4, r5, r6, r7, r8, r9, r10, r11, lr} ; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11, lr} ; CHECK-NEXT: ldr.w r12, [r0] ; CHECK-NEXT: subs.w r9, r1, #1 ; CHECK-NEXT: beq .LBB0_3 ; CHECK-NEXT: @ %bb.1: @ %while.body.preheader ; CHECK-NEXT: subs r7, r1, #2 ; CHECK-NEXT: and r8, r9, #3 ; CHECK-NEXT: cmp r7, #3 ; CHECK-NEXT: bhs .LBB0_4 ; CHECK-NEXT: @ %bb.2: ; CHECK-NEXT: movs r6, #0 ; CHECK-NEXT: b .LBB0_6 ; CHECK-NEXT: .LBB0_3: ; CHECK-NEXT: movs r6, #0 ; CHECK-NEXT: b .LBB0_10 ; CHECK-NEXT: .LBB0_4: @ %while.body.preheader.new ; CHECK-NEXT: bic r7, r9, #3 ; CHECK-NEXT: movs r6, #1 ; CHECK-NEXT: subs r7, #4 ; CHECK-NEXT: add.w lr, r6, r7, lsr #2 ; CHECK-NEXT: movs r6, #0 ; CHECK-NEXT: dls lr, lr ; CHECK-NEXT: movs r7, #4 ; CHECK-NEXT: .LBB0_5: @ %while.body ; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: ldr r10, [r0, #16]! ; CHECK-NEXT: sub.w r9, r9, #4 ; CHECK-NEXT: ldrd r5, r4, [r0, #-12] ; CHECK-NEXT: ldr r11, [r0, #-4] ; CHECK-NEXT: cmp r12, r5 ; CHECK-NEXT: it gt ; CHECK-NEXT: subgt r6, r7, #3 ; CHECK-NEXT: csel r5, r5, r12, gt ; CHECK-NEXT: cmp r5, r4 ; CHECK-NEXT: it gt ; CHECK-NEXT: subgt r6, r7, #2 ; CHECK-NEXT: csel r5, r4, r5, gt ; CHECK-NEXT: cmp r5, r11 ; CHECK-NEXT: it gt ; CHECK-NEXT: subgt r6, r7, #1 ; CHECK-NEXT: csel r5, r11, r5, gt ; CHECK-NEXT: cmp r5, r10 ; CHECK-NEXT: csel r6, r7, r6, gt ; CHECK-NEXT: add.w r7, r7, #4 ; CHECK-NEXT: csel r12, r10, r5, gt ; CHECK-NEXT: le lr, .LBB0_5 ; CHECK-NEXT: .LBB0_6: @ %while.end.loopexit.unr-lcssa ; CHECK-NEXT: cmp.w r8, #0 ; CHECK-NEXT: beq .LBB0_10 ; CHECK-NEXT: @ %bb.7: @ %while.body.epil ; CHECK-NEXT: ldr r7, [r0, #4] ; CHECK-NEXT: sub.w r1, r1, r9 ; CHECK-NEXT: cmp r12, r7 ; CHECK-NEXT: csel r6, r1, r6, gt ; CHECK-NEXT: csel r12, r7, r12, gt ; CHECK-NEXT: cmp.w r8, #1 ; CHECK-NEXT: beq .LBB0_10 ; CHECK-NEXT: @ %bb.8: @ %while.body.epil.1 ; CHECK-NEXT: ldr r7, [r0, #8] ; CHECK-NEXT: cmp r12, r7 ; CHECK-NEXT: csinc r6, r6, r1, le ; CHECK-NEXT: csel r12, r7, r12, gt ; CHECK-NEXT: cmp.w r8, #2 ; CHECK-NEXT: beq .LBB0_10 ; CHECK-NEXT: @ %bb.9: @ %while.body.epil.2 ; CHECK-NEXT: ldr r0, [r0, #12] ; CHECK-NEXT: cmp r12, r0 ; CHECK-NEXT: it gt ; CHECK-NEXT: addgt r6, r1, #2 ; CHECK-NEXT: csel r12, r0, r12, gt ; CHECK-NEXT: .LBB0_10: @ %while.end ; CHECK-NEXT: str.w r12, [r2] ; CHECK-NEXT: str r6, [r3] ; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11, pc} entry: %0 = load i32, i32* %pSrc, align 4 %blkCnt.015 = add i32 %blockSize, -1 %cmp.not17 = icmp eq i32 %blkCnt.015, 0 br i1 %cmp.not17, label %while.end, label %while.body.preheader while.body.preheader: ; preds = %entry %1 = add i32 %blockSize, -2 %xtraiter = and i32 %blkCnt.015, 3 %2 = icmp ult i32 %1, 3 br i1 %2, label %while.end.loopexit.unr-lcssa, label %while.body.preheader.new while.body.preheader.new: ; preds = %while.body.preheader %unroll_iter = and i32 %blkCnt.015, -4 br label %while.body while.body: ; preds = %while.body, %while.body.preheader.new %pSrc.addr.021.pn = phi i32* [ %pSrc, %while.body.preheader.new ], [ %pSrc.addr.021.3, %while.body ] %blkCnt.020 = phi i32 [ %blkCnt.015, %while.body.preheader.new ], [ %blkCnt.0.3, %while.body ] %outIndex.019 = phi i32 [ 0, %while.body.preheader.new ], [ %spec.select14.3, %while.body ] %out.018 = phi i32 [ %0, %while.body.preheader.new ], [ %spec.select.3, %while.body ] %niter = phi i32 [ %unroll_iter, %while.body.preheader.new ], [ %niter.nsub.3, %while.body ] %pSrc.addr.021 = getelementptr inbounds i32, i32* %pSrc.addr.021.pn, i32 1 %3 = load i32, i32* %pSrc.addr.021, align 4 %cmp2 = icmp sgt i32 %out.018, %3 %sub3 = sub i32 %blockSize, %blkCnt.020 %spec.select = select i1 %cmp2, i32 %3, i32 %out.018 %spec.select14 = select i1 %cmp2, i32 %sub3, i32 %outIndex.019 %blkCnt.0 = add i32 %blkCnt.020, -1 %pSrc.addr.021.1 = getelementptr inbounds i32, i32* %pSrc.addr.021.pn, i32 2 %4 = load i32, i32* %pSrc.addr.021.1, align 4 %cmp2.1 = icmp sgt i32 %spec.select, %4 %sub3.1 = sub i32 %blockSize, %blkCnt.0 %spec.select.1 = select i1 %cmp2.1, i32 %4, i32 %spec.select %spec.select14.1 = select i1 %cmp2.1, i32 %sub3.1, i32 %spec.select14 %blkCnt.0.1 = add i32 %blkCnt.020, -2 %pSrc.addr.021.2 = getelementptr inbounds i32, i32* %pSrc.addr.021.pn, i32 3 %5 = load i32, i32* %pSrc.addr.021.2, align 4 %cmp2.2 = icmp sgt i32 %spec.select.1, %5 %sub3.2 = sub i32 %blockSize, %blkCnt.0.1 %spec.select.2 = select i1 %cmp2.2, i32 %5, i32 %spec.select.1 %spec.select14.2 = select i1 %cmp2.2, i32 %sub3.2, i32 %spec.select14.1 %blkCnt.0.2 = add i32 %blkCnt.020, -3 %pSrc.addr.021.3 = getelementptr inbounds i32, i32* %pSrc.addr.021.pn, i32 4 %6 = load i32, i32* %pSrc.addr.021.3, align 4 %cmp2.3 = icmp sgt i32 %spec.select.2, %6 %sub3.3 = sub i32 %blockSize, %blkCnt.0.2 %spec.select.3 = select i1 %cmp2.3, i32 %6, i32 %spec.select.2 %spec.select14.3 = select i1 %cmp2.3, i32 %sub3.3, i32 %spec.select14.2 %blkCnt.0.3 = add i32 %blkCnt.020, -4 %niter.nsub.3 = add i32 %niter, -4 %niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0 br i1 %niter.ncmp.3, label %while.end.loopexit.unr-lcssa, label %while.body while.end.loopexit.unr-lcssa: ; preds = %while.body, %while.body.preheader %spec.select.lcssa.ph = phi i32 [ undef, %while.body.preheader ], [ %spec.select.3, %while.body ] %spec.select14.lcssa.ph = phi i32 [ undef, %while.body.preheader ], [ %spec.select14.3, %while.body ] %pSrc.addr.021.pn.unr = phi i32* [ %pSrc, %while.body.preheader ], [ %pSrc.addr.021.3, %while.body ] %blkCnt.020.unr = phi i32 [ %blkCnt.015, %while.body.preheader ], [ %blkCnt.0.3, %while.body ] %outIndex.019.unr = phi i32 [ 0, %while.body.preheader ], [ %spec.select14.3, %while.body ] %out.018.unr = phi i32 [ %0, %while.body.preheader ], [ %spec.select.3, %while.body ] %lcmp.mod.not = icmp eq i32 %xtraiter, 0 br i1 %lcmp.mod.not, label %while.end, label %while.body.epil while.body.epil: ; preds = %while.end.loopexit.unr-lcssa %pSrc.addr.021.epil = getelementptr inbounds i32, i32* %pSrc.addr.021.pn.unr, i32 1 %7 = load i32, i32* %pSrc.addr.021.epil, align 4 %cmp2.epil = icmp sgt i32 %out.018.unr, %7 %sub3.epil = sub i32 %blockSize, %blkCnt.020.unr %spec.select.epil = select i1 %cmp2.epil, i32 %7, i32 %out.018.unr %spec.select14.epil = select i1 %cmp2.epil, i32 %sub3.epil, i32 %outIndex.019.unr %epil.iter.cmp.not = icmp eq i32 %xtraiter, 1 br i1 %epil.iter.cmp.not, label %while.end, label %while.body.epil.1 while.end: ; preds = %while.end.loopexit.unr-lcssa, %while.body.epil.2, %while.body.epil.1, %while.body.epil, %entry %out.0.lcssa = phi i32 [ %0, %entry ], [ %spec.select.lcssa.ph, %while.end.loopexit.unr-lcssa ], [ %spec.select.epil, %while.body.epil ], [ %spec.select.epil.1, %while.body.epil.1 ], [ %spec.select.epil.2, %while.body.epil.2 ] %outIndex.0.lcssa = phi i32 [ 0, %entry ], [ %spec.select14.lcssa.ph, %while.end.loopexit.unr-lcssa ], [ %spec.select14.epil, %while.body.epil ], [ %spec.select14.epil.1, %while.body.epil.1 ], [ %spec.select14.epil.2, %while.body.epil.2 ] store i32 %out.0.lcssa, i32* %pResult, align 4 store i32 %outIndex.0.lcssa, i32* %pIndex, align 4 ret void while.body.epil.1: ; preds = %while.body.epil %blkCnt.0.epil = add i32 %blkCnt.020.unr, -1 %pSrc.addr.021.epil.1 = getelementptr inbounds i32, i32* %pSrc.addr.021.pn.unr, i32 2 %8 = load i32, i32* %pSrc.addr.021.epil.1, align 4 %cmp2.epil.1 = icmp sgt i32 %spec.select.epil, %8 %sub3.epil.1 = sub i32 %blockSize, %blkCnt.0.epil %spec.select.epil.1 = select i1 %cmp2.epil.1, i32 %8, i32 %spec.select.epil %spec.select14.epil.1 = select i1 %cmp2.epil.1, i32 %sub3.epil.1, i32 %spec.select14.epil %epil.iter.cmp.1.not = icmp eq i32 %xtraiter, 2 br i1 %epil.iter.cmp.1.not, label %while.end, label %while.body.epil.2 while.body.epil.2: ; preds = %while.body.epil.1 %blkCnt.0.epil.1 = add i32 %blkCnt.020.unr, -2 %pSrc.addr.021.epil.2 = getelementptr inbounds i32, i32* %pSrc.addr.021.pn.unr, i32 3 %9 = load i32, i32* %pSrc.addr.021.epil.2, align 4 %cmp2.epil.2 = icmp sgt i32 %spec.select.epil.1, %9 %sub3.epil.2 = sub i32 %blockSize, %blkCnt.0.epil.1 %spec.select.epil.2 = select i1 %cmp2.epil.2, i32 %9, i32 %spec.select.epil.1 %spec.select14.epil.2 = select i1 %cmp2.epil.2, i32 %sub3.epil.2, i32 %spec.select14.epil.1 br label %while.end }