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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp -verify-machineinstrs -arm-memtransfer-tploop=force-enabled %s -o - | FileCheck %s
; In this test, the successors of various blocks were becoming invalid after
; ifcvt as the blocks did not properly fall through to the successor after a
; WhileLoopStart
@arr_183 = external dso_local local_unnamed_addr global [20 x [23 x [19 x i8]]], align 1
define i32 @a(i8 zeroext %b, [3 x i8]* nocapture readonly %c, [3 x i32]* nocapture readonly %d) {
; CHECK-LABEL: a:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r4, r5, r7, lr}
; CHECK-NEXT: push {r4, r5, r7, lr}
; CHECK-NEXT: cmp r0, #1
; CHECK-NEXT: bls.w .LBB0_12
; CHECK-NEXT: @ %bb.1: @ %for.body.us.preheader
; CHECK-NEXT: movw r5, :lower16:arr_183
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: movt r5, :upper16:arr_183
; CHECK-NEXT: mov.w r12, #19
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: vmov.i32 q1, #0x0
; CHECK-NEXT: vmov.i32 q2, #0x0
; CHECK-NEXT: vmov.i32 q3, #0x0
; CHECK-NEXT: b .LBB0_3
; CHECK-NEXT: .LBB0_2: @ %land.end.us.3
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: .LBB0_3: @ %for.body.us
; CHECK-NEXT: @ =>This Loop Header: Depth=1
; CHECK-NEXT: @ Child Loop BB0_4 Depth 2
; CHECK-NEXT: @ Child Loop BB0_6 Depth 2
; CHECK-NEXT: @ Child Loop BB0_8 Depth 2
; CHECK-NEXT: @ Child Loop BB0_11 Depth 2
; CHECK-NEXT: ldr.w r0, [r2, r3, lsl #2]
; CHECK-NEXT: cmp r0, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r0, [r1, r3]
; CHECK-NEXT: moveq r0, #0
; CHECK-NEXT: mla r3, r3, r12, r5
; CHECK-NEXT: add r3, r0
; CHECK-NEXT: rsb.w r0, r0, #108
; CHECK-NEXT: wlstp.8 lr, r0, .LBB0_5
; CHECK-NEXT: .LBB0_4: @ Parent Loop BB0_3 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q0, [r3], #16
; CHECK-NEXT: letp lr, .LBB0_4
; CHECK-NEXT: .LBB0_5: @ %land.end.us
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: ldr r0, [r2, #4]
; CHECK-NEXT: cmp r0, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r0, [r1, #1]
; CHECK-NEXT: moveq r0, #0
; CHECK-NEXT: adds r3, r5, r0
; CHECK-NEXT: rsb.w r0, r0, #108
; CHECK-NEXT: adds r3, #19
; CHECK-NEXT: wlstp.8 lr, r0, .LBB0_7
; CHECK-NEXT: .LBB0_6: @ Parent Loop BB0_3 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q1, [r3], #16
; CHECK-NEXT: letp lr, .LBB0_6
; CHECK-NEXT: .LBB0_7: @ %land.end.us.1
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: ldr r0, [r2, #4]
; CHECK-NEXT: cmp r0, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r0, [r1, #1]
; CHECK-NEXT: moveq r0, #0
; CHECK-NEXT: adds r3, r5, r0
; CHECK-NEXT: rsb.w r0, r0, #108
; CHECK-NEXT: adds r3, #19
; CHECK-NEXT: wlstp.8 lr, r0, .LBB0_9
; CHECK-NEXT: .LBB0_8: @ Parent Loop BB0_3 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q2, [r3], #16
; CHECK-NEXT: letp lr, .LBB0_8
; CHECK-NEXT: .LBB0_9: @ %land.end.us.2
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: ldr r0, [r2, #4]
; CHECK-NEXT: cmp r0, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r0, [r1, #1]
; CHECK-NEXT: moveq r0, #0
; CHECK-NEXT: adds r3, r5, r0
; CHECK-NEXT: rsb.w r0, r0, #108
; CHECK-NEXT: add.w r4, r0, #15
; CHECK-NEXT: adds r3, #19
; CHECK-NEXT: lsrs r4, r4, #4
; CHECK-NEXT: cmp.w r4, #0
; CHECK-NEXT: beq .LBB0_2
; CHECK-NEXT: @ %bb.10: @ %land.end.us.2
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: dlstp.8 lr, r0
; CHECK-NEXT: .LBB0_11: @ Parent Loop BB0_3 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q3, [r3], #16
; CHECK-NEXT: letp lr, .LBB0_11
; CHECK-NEXT: b .LBB0_2
; CHECK-NEXT: .LBB0_12:
; CHECK-NEXT: movw r12, :lower16:arr_183
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: movt r12, :upper16:arr_183
; CHECK-NEXT: vmov.i32 q1, #0x0
; CHECK-NEXT: vmov.i32 q2, #0x0
; CHECK-NEXT: vmov.i32 q3, #0x0
; CHECK-NEXT: b .LBB0_14
; CHECK-NEXT: .LBB0_13: @ %for.body.lr.ph.3
; CHECK-NEXT: @ in Loop: Header=BB0_14 Depth=1
; CHECK-NEXT: ldr r3, [r2, #4]
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r3, [r1, #1]
; CHECK-NEXT: moveq r3, #0
; CHECK-NEXT: add.w r5, r12, r3
; CHECK-NEXT: rsb.w r3, r3, #108
; CHECK-NEXT: add.w r4, r5, #19
; CHECK-NEXT: wlstp.8 lr, r3, .LBB0_14
; CHECK-NEXT: b .LBB0_24
; CHECK-NEXT: .LBB0_14: @ %for.cond
; CHECK-NEXT: @ =>This Loop Header: Depth=1
; CHECK-NEXT: @ Child Loop BB0_16 Depth 2
; CHECK-NEXT: @ Child Loop BB0_19 Depth 2
; CHECK-NEXT: @ Child Loop BB0_22 Depth 2
; CHECK-NEXT: @ Child Loop BB0_24 Depth 2
; CHECK-NEXT: cmp r0, #2
; CHECK-NEXT: blo .LBB0_17
; CHECK-NEXT: @ %bb.15: @ %for.body.lr.ph
; CHECK-NEXT: @ in Loop: Header=BB0_14 Depth=1
; CHECK-NEXT: ldr r3, [r2, #4]
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r3, [r1, #1]
; CHECK-NEXT: moveq r3, #0
; CHECK-NEXT: add.w r5, r12, r3
; CHECK-NEXT: rsb.w r3, r3, #108
; CHECK-NEXT: add.w r4, r5, #19
; CHECK-NEXT: wlstp.8 lr, r3, .LBB0_17
; CHECK-NEXT: .LBB0_16: @ Parent Loop BB0_14 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q0, [r4], #16
; CHECK-NEXT: letp lr, .LBB0_16
; CHECK-NEXT: .LBB0_17: @ %for.cond.backedge
; CHECK-NEXT: @ in Loop: Header=BB0_14 Depth=1
; CHECK-NEXT: cmp r0, #2
; CHECK-NEXT: blo .LBB0_20
; CHECK-NEXT: @ %bb.18: @ %for.body.lr.ph.1
; CHECK-NEXT: @ in Loop: Header=BB0_14 Depth=1
; CHECK-NEXT: ldr r3, [r2, #4]
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r3, [r1, #1]
; CHECK-NEXT: moveq r3, #0
; CHECK-NEXT: add.w r5, r12, r3
; CHECK-NEXT: rsb.w r3, r3, #108
; CHECK-NEXT: add.w r4, r5, #19
; CHECK-NEXT: wlstp.8 lr, r3, .LBB0_20
; CHECK-NEXT: .LBB0_19: @ Parent Loop BB0_14 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q1, [r4], #16
; CHECK-NEXT: letp lr, .LBB0_19
; CHECK-NEXT: .LBB0_20: @ %for.cond.backedge.1
; CHECK-NEXT: @ in Loop: Header=BB0_14 Depth=1
; CHECK-NEXT: cmp r0, #2
; CHECK-NEXT: blo .LBB0_23
; CHECK-NEXT: @ %bb.21: @ %for.body.lr.ph.2
; CHECK-NEXT: @ in Loop: Header=BB0_14 Depth=1
; CHECK-NEXT: ldr r3, [r2, #4]
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: ldrbne r3, [r1, #1]
; CHECK-NEXT: moveq r3, #0
; CHECK-NEXT: add.w r5, r12, r3
; CHECK-NEXT: rsb.w r3, r3, #108
; CHECK-NEXT: add.w r4, r5, #19
; CHECK-NEXT: wlstp.8 lr, r3, .LBB0_23
; CHECK-NEXT: .LBB0_22: @ Parent Loop BB0_14 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q2, [r4], #16
; CHECK-NEXT: letp lr, .LBB0_22
; CHECK-NEXT: .LBB0_23: @ %for.cond.backedge.2
; CHECK-NEXT: @ in Loop: Header=BB0_14 Depth=1
; CHECK-NEXT: cmp r0, #2
; CHECK-NEXT: blo .LBB0_14
; CHECK-NEXT: b .LBB0_13
; CHECK-NEXT: .LBB0_24: @ Parent Loop BB0_14 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vstrb.8 q3, [r4], #16
; CHECK-NEXT: letp lr, .LBB0_24
; CHECK-NEXT: b .LBB0_14
entry:
%cmp = icmp ugt i8 %b, 1
br i1 %cmp, label %for.body.us.preheader, label %for.cond.preheader
for.cond.preheader: ; preds = %entry
%cmp43 = icmp ugt i8 %b, 1
%arrayidx6 = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 1
%arrayidx12 = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 1
%cmp43.1 = icmp ugt i8 %b, 1
%arrayidx6.1 = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 1
%arrayidx12.1 = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 1
%cmp43.2 = icmp ugt i8 %b, 1
%arrayidx6.2 = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 1
%arrayidx12.2 = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 1
%cmp43.3 = icmp ugt i8 %b, 1
%arrayidx6.3 = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 1
%arrayidx12.3 = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 1
br label %for.cond
for.body.us.preheader: ; preds = %entry
%arrayidx6.us.1 = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 1
%arrayidx12.us.1 = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 1
%arrayidx6.us.2 = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 1
%arrayidx12.us.2 = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 1
%arrayidx6.us.3 = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 1
%arrayidx12.us.3 = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 1
br label %for.body.us
for.cond: ; preds = %for.cond.backedge.3, %for.cond.preheader
br i1 %cmp43, label %for.body.lr.ph, label %for.cond.backedge
for.body.lr.ph: ; preds = %for.cond
%0 = load i32, i32* %arrayidx6, align 4
%tobool7.not = icmp eq i32 %0, 0
br i1 %tobool7.not, label %land.end, label %land.rhs
for.body.us: ; preds = %land.end.us.3, %for.body.us.preheader
%conv44.us = phi i32 [ 0, %for.body.us.preheader ], [ 1, %land.end.us.3 ]
%arrayidx6.us = getelementptr inbounds [3 x i32], [3 x i32]* %d, i32 0, i32 %conv44.us
%1 = load i32, i32* %arrayidx6.us, align 4
%tobool7.not.us = icmp eq i32 %1, 0
br i1 %tobool7.not.us, label %land.end.us, label %land.rhs.us
land.rhs.us: ; preds = %for.body.us
%arrayidx12.us = getelementptr inbounds [3 x i8], [3 x i8]* %c, i32 0, i32 %conv44.us
%2 = load i8, i8* %arrayidx12.us, align 1
%tobool13.us = zext i8 %2 to i32
br label %land.end.us
land.end.us: ; preds = %land.rhs.us, %for.body.us
%3 = phi i32 [ 0, %for.body.us ], [ %tobool13.us, %land.rhs.us ]
%scevgep45 = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 %conv44.us, i32 %3
%4 = sub nuw nsw i32 108, %3
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep45, i8 0, i32 %4, i1 false)
%5 = load i32, i32* %arrayidx6.us.1, align 4
%tobool7.not.us.1 = icmp eq i32 %5, 0
br i1 %tobool7.not.us.1, label %land.end.us.1, label %land.rhs.us.1
land.rhs: ; preds = %for.body.lr.ph
%6 = load i8, i8* %arrayidx12, align 1
%tobool13 = zext i8 %6 to i32
br label %land.end
land.end: ; preds = %land.rhs, %for.body.lr.ph
%7 = phi i32 [ 0, %for.body.lr.ph ], [ %tobool13, %land.rhs ]
%scevgep = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 1, i32 %7
%8 = sub nuw nsw i32 108, %7
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep, i8 0, i32 %8, i1 false)
br label %for.cond.backedge
for.cond.backedge: ; preds = %land.end, %for.cond
br i1 %cmp43.1, label %for.body.lr.ph.1, label %for.cond.backedge.1
for.body.lr.ph.1: ; preds = %for.cond.backedge
%9 = load i32, i32* %arrayidx6.1, align 4
%tobool7.not.1 = icmp eq i32 %9, 0
br i1 %tobool7.not.1, label %land.end.1, label %land.rhs.1
land.rhs.1: ; preds = %for.body.lr.ph.1
%10 = load i8, i8* %arrayidx12.1, align 1
%tobool13.1 = zext i8 %10 to i32
br label %land.end.1
land.end.1: ; preds = %land.rhs.1, %for.body.lr.ph.1
%11 = phi i32 [ 0, %for.body.lr.ph.1 ], [ %tobool13.1, %land.rhs.1 ]
%scevgep.1 = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 1, i32 %11
%12 = sub nuw nsw i32 108, %11
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep.1, i8 0, i32 %12, i1 false)
br label %for.cond.backedge.1
for.cond.backedge.1: ; preds = %land.end.1, %for.cond.backedge
br i1 %cmp43.2, label %for.body.lr.ph.2, label %for.cond.backedge.2
for.body.lr.ph.2: ; preds = %for.cond.backedge.1
%13 = load i32, i32* %arrayidx6.2, align 4
%tobool7.not.2 = icmp eq i32 %13, 0
br i1 %tobool7.not.2, label %land.end.2, label %land.rhs.2
land.rhs.2: ; preds = %for.body.lr.ph.2
%14 = load i8, i8* %arrayidx12.2, align 1
%tobool13.2 = zext i8 %14 to i32
br label %land.end.2
land.end.2: ; preds = %land.rhs.2, %for.body.lr.ph.2
%15 = phi i32 [ 0, %for.body.lr.ph.2 ], [ %tobool13.2, %land.rhs.2 ]
%scevgep.2 = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 1, i32 %15
%16 = sub nuw nsw i32 108, %15
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep.2, i8 0, i32 %16, i1 false)
br label %for.cond.backedge.2
for.cond.backedge.2: ; preds = %land.end.2, %for.cond.backedge.1
br i1 %cmp43.3, label %for.body.lr.ph.3, label %for.cond.backedge.3
for.body.lr.ph.3: ; preds = %for.cond.backedge.2
%17 = load i32, i32* %arrayidx6.3, align 4
%tobool7.not.3 = icmp eq i32 %17, 0
br i1 %tobool7.not.3, label %land.end.3, label %land.rhs.3
land.rhs.3: ; preds = %for.body.lr.ph.3
%18 = load i8, i8* %arrayidx12.3, align 1
%tobool13.3 = zext i8 %18 to i32
br label %land.end.3
land.end.3: ; preds = %land.rhs.3, %for.body.lr.ph.3
%19 = phi i32 [ 0, %for.body.lr.ph.3 ], [ %tobool13.3, %land.rhs.3 ]
%scevgep.3 = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 1, i32 %19
%20 = sub nuw nsw i32 108, %19
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep.3, i8 0, i32 %20, i1 false)
br label %for.cond.backedge.3
for.cond.backedge.3: ; preds = %land.end.3, %for.cond.backedge.2
br label %for.cond
land.rhs.us.1: ; preds = %land.end.us
%21 = load i8, i8* %arrayidx12.us.1, align 1
%tobool13.us.1 = zext i8 %21 to i32
br label %land.end.us.1
land.end.us.1: ; preds = %land.rhs.us.1, %land.end.us
%22 = phi i32 [ 0, %land.end.us ], [ %tobool13.us.1, %land.rhs.us.1 ]
%scevgep45.1 = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 1, i32 %22
%23 = sub nuw nsw i32 108, %22
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep45.1, i8 0, i32 %23, i1 false)
%24 = load i32, i32* %arrayidx6.us.2, align 4
%tobool7.not.us.2 = icmp eq i32 %24, 0
br i1 %tobool7.not.us.2, label %land.end.us.2, label %land.rhs.us.2
land.rhs.us.2: ; preds = %land.end.us.1
%25 = load i8, i8* %arrayidx12.us.2, align 1
%tobool13.us.2 = zext i8 %25 to i32
br label %land.end.us.2
land.end.us.2: ; preds = %land.rhs.us.2, %land.end.us.1
%26 = phi i32 [ 0, %land.end.us.1 ], [ %tobool13.us.2, %land.rhs.us.2 ]
%scevgep45.2 = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 1, i32 %26
%27 = sub nuw nsw i32 108, %26
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep45.2, i8 0, i32 %27, i1 false)
%28 = load i32, i32* %arrayidx6.us.3, align 4
%tobool7.not.us.3 = icmp eq i32 %28, 0
br i1 %tobool7.not.us.3, label %land.end.us.3, label %land.rhs.us.3
land.rhs.us.3: ; preds = %land.end.us.2
%29 = load i8, i8* %arrayidx12.us.3, align 1
%tobool13.us.3 = zext i8 %29 to i32
br label %land.end.us.3
land.end.us.3: ; preds = %land.rhs.us.3, %land.end.us.2
%30 = phi i32 [ 0, %land.end.us.2 ], [ %tobool13.us.3, %land.rhs.us.3 ]
%scevgep45.3 = getelementptr [20 x [23 x [19 x i8]]], [20 x [23 x [19 x i8]]]* @arr_183, i32 0, i32 0, i32 1, i32 %30
%31 = sub nuw nsw i32 108, %30
call void @llvm.memset.p0i8.i32(i8* align 1 %scevgep45.3, i8 0, i32 %31, i1 false)
br label %for.body.us
}
declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i1)
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