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llvm-mirror/test/CodeGen/Thumb2/mve-blockplacement.ll
David Green c7af7bf359 [ARM] Remove dead mov's in preheader of tail predicated loops 
With t2DoLoopDec we can be left with some extra MOV's in the preheaders
of tail predicated loops. This removes them, in the same way we remove
other dead variables.

Differential Revision: https://reviews.llvm.org/D91857
2021-02-11 10:48:20 +00:00

712 lines
32 KiB
LLVM
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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 -verify-machineinstrs -mattr=+mve %s -o - | FileCheck %s
@var_36 = hidden local_unnamed_addr global i8 0, align 1
@arr_61 = hidden local_unnamed_addr global [1 x i32] zeroinitializer, align 4
define i32 @test(i8 zeroext %var_2, i16 signext %var_15, [18 x [22 x i8]]* %arr_60) {
; CHECK-LABEL: test:
; 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: cmp r0, #0
; CHECK-NEXT: beq.w .LBB0_10
; CHECK-NEXT: @ %bb.1: @ %for.cond1.preheader
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: beq.w .LBB0_11
; CHECK-NEXT: @ %bb.2: @ %for.cond1.preheader1
; CHECK-NEXT: movw r8, :lower16:var_36
; CHECK-NEXT: movw r0, #27476
; CHECK-NEXT: addw r10, r2, #397
; CHECK-NEXT: mov.w r9, #11
; CHECK-NEXT: movt r8, :upper16:var_36
; CHECK-NEXT: sdiv r1, r0, r1
; CHECK-NEXT: mov.w r11, #0
; CHECK-NEXT: .LBB0_3: @ %for.cond6.preheader
; 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: movs r0, #22
; CHECK-NEXT: dls lr, r9
; CHECK-NEXT: mla r7, r11, r0, r10
; CHECK-NEXT: movw r0, :lower16:arr_61
; CHECK-NEXT: movt r0, :upper16:arr_61
; CHECK-NEXT: adds r0, #4
; CHECK-NEXT: mov r3, r2
; CHECK-NEXT: mov r6, r0
; CHECK-NEXT: .LBB0_4: @ %for.body10
; CHECK-NEXT: @ Parent Loop BB0_3 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: str r3, [r6, #-4]
; CHECK-NEXT: add.w r12, r3, #396
; CHECK-NEXT: ldrb r5, [r7, #-1]
; CHECK-NEXT: add.w r3, r3, #792
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: sxthne r5, r1
; CHECK-NEXT: moveq r5, #0
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: str.w r12, [r6]
; CHECK-NEXT: cset r5, ne
; CHECK-NEXT: adds r6, #8
; CHECK-NEXT: strb.w r5, [r8]
; CHECK-NEXT: ldrb r5, [r7]
; CHECK-NEXT: adds r7, #2
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: sxthne r5, r1
; CHECK-NEXT: moveq r5, #0
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: cset r5, ne
; CHECK-NEXT: strb.w r5, [r8]
; CHECK-NEXT: le lr, .LBB0_4
; CHECK-NEXT: @ %bb.5: @ %for.cond.cleanup9
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: add.w r3, r11, #1
; CHECK-NEXT: movs r7, #22
; CHECK-NEXT: dls lr, r9
; CHECK-NEXT: mov r6, r0
; CHECK-NEXT: uxtb r3, r3
; CHECK-NEXT: smlabb r7, r3, r7, r10
; CHECK-NEXT: mov r3, r2
; CHECK-NEXT: .LBB0_6: @ %for.body10.1
; CHECK-NEXT: @ Parent Loop BB0_3 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: str r3, [r6, #-4]
; CHECK-NEXT: add.w r4, r3, #396
; CHECK-NEXT: ldrb r5, [r7, #-1]
; CHECK-NEXT: add.w r3, r3, #792
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: sxthne r5, r1
; CHECK-NEXT: moveq r5, #0
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: str r4, [r6]
; CHECK-NEXT: cset r5, ne
; CHECK-NEXT: adds r6, #8
; CHECK-NEXT: strb.w r5, [r8]
; CHECK-NEXT: ldrb r5, [r7]
; CHECK-NEXT: adds r7, #2
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: sxthne r5, r1
; CHECK-NEXT: moveq r5, #0
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: cset r5, ne
; CHECK-NEXT: strb.w r5, [r8]
; CHECK-NEXT: le lr, .LBB0_6
; CHECK-NEXT: @ %bb.7: @ %for.cond.cleanup9.1
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: add.w r3, r11, #2
; CHECK-NEXT: movs r7, #22
; CHECK-NEXT: dls lr, r9
; CHECK-NEXT: uxtb r3, r3
; CHECK-NEXT: smlabb r7, r3, r7, r10
; CHECK-NEXT: mov r3, r2
; CHECK-NEXT: .LBB0_8: @ %for.body10.2
; CHECK-NEXT: @ Parent Loop BB0_3 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: str r3, [r0, #-4]
; CHECK-NEXT: ldrb r6, [r7, #-1]
; CHECK-NEXT: cmp r6, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: sxthne r5, r1
; CHECK-NEXT: moveq r5, #0
; CHECK-NEXT: add.w r6, r3, #396
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: str r6, [r0]
; CHECK-NEXT: cset r6, ne
; CHECK-NEXT: strb.w r6, [r8]
; CHECK-NEXT: add.w r3, r3, #792
; CHECK-NEXT: ldrb r6, [r7]
; CHECK-NEXT: adds r0, #8
; CHECK-NEXT: adds r7, #2
; CHECK-NEXT: cmp r6, #0
; CHECK-NEXT: ite ne
; CHECK-NEXT: sxthne r5, r1
; CHECK-NEXT: moveq r5, #0
; CHECK-NEXT: cmp r5, #0
; CHECK-NEXT: cset r6, ne
; CHECK-NEXT: strb.w r6, [r8]
; CHECK-NEXT: le lr, .LBB0_8
; CHECK-NEXT: @ %bb.9: @ %for.cond.cleanup9.2
; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT: add.w r0, r11, #3
; CHECK-NEXT: uxtb.w r11, r0
; CHECK-NEXT: cmp.w r11, #18
; CHECK-NEXT: it hs
; CHECK-NEXT: movhs.w r11, #0
; CHECK-NEXT: b .LBB0_3
; CHECK-NEXT: .LBB0_10: @ %for.cond.cleanup
; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11, pc}
; CHECK-NEXT: .LBB0_11: @ %for.cond1.us.preheader
; CHECK-NEXT: movw r0, :lower16:arr_61
; CHECK-NEXT: movs r1, #0
; CHECK-NEXT: movt r0, :upper16:arr_61
; CHECK-NEXT: str r1, [r0, #84]
; CHECK-NEXT: .inst.n 0xdefe
entry:
%tobool.not = icmp eq i8 %var_2, 0
br i1 %tobool.not, label %for.cond.cleanup, label %for.cond1.preheader
for.cond1.preheader: ; preds = %entry
%cmp11.not = icmp eq [18 x [22 x i8]]* %arr_60, null
br i1 %cmp11.not, label %for.cond1.us.preheader, label %for.cond1
for.cond1.us.preheader: ; preds = %for.cond1.preheader
store i32 0, i32* getelementptr ([1 x i32], [1 x i32]* @arr_61, i32 21, i32 0), align 4
call void @llvm.trap()
unreachable
for.cond.cleanup: ; preds = %entry
ret i32 undef
for.cond1: ; preds = %for.cond.cleanup9.2, %for.cond1.preheader
br label %for.cond6.preheader
for.cond6.preheader: ; preds = %for.cond.cleanup9.2, %for.cond1
%conv45 = phi i32 [ 0, %for.cond1 ], [ %conv.2, %for.cond.cleanup9.2 ]
br label %for.body10
for.cond.cleanup9: ; preds = %cond.end22.1
%add27 = add nuw nsw i32 %conv45, 1
%conv = and i32 %add27, 255
br label %for.body10.1
for.body10: ; preds = %cond.end22.1, %for.cond6.preheader
%i_15.044 = phi i32 [ 0, %for.cond6.preheader ], [ %add.1, %cond.end22.1 ]
%arraydecay = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 %i_15.044, i32 0
%0 = ptrtoint [22 x i8]* %arraydecay to i32
%arrayidx13 = getelementptr inbounds [1 x i32], [1 x i32]* @arr_61, i32 0, i32 %i_15.044
store i32 %0, i32* %arrayidx13, align 4
%arrayidx16 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 1, i32 %conv45, i32 %i_15.044
%1 = load i8, i8* %arrayidx16, align 1
%tobool18.not = icmp eq i8 %1, 0
br i1 %tobool18.not, label %cond.end22, label %cond.true19
cond.true19: ; preds = %for.body10
%div43 = sdiv i16 27476, %var_15
%div.sext = sext i16 %div43 to i32
br label %cond.end22
cond.end22: ; preds = %for.body10, %cond.true19
%cond23 = phi i32 [ %div.sext, %cond.true19 ], [ 0, %for.body10 ]
%tobool24 = icmp ne i32 %cond23, 0
%frombool = zext i1 %tobool24 to i8
store i8 %frombool, i8* @var_36, align 1
%add = or i32 %i_15.044, 1
%arraydecay.1 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 %add, i32 0
%2 = ptrtoint [22 x i8]* %arraydecay.1 to i32
%arrayidx13.1 = getelementptr inbounds [1 x i32], [1 x i32]* @arr_61, i32 0, i32 %add
store i32 %2, i32* %arrayidx13.1, align 4
%arrayidx16.1 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 1, i32 %conv45, i32 %add
%3 = load i8, i8* %arrayidx16.1, align 1
%tobool18.not.1 = icmp eq i8 %3, 0
br i1 %tobool18.not.1, label %cond.end22.1, label %cond.true19.1
cond.true19.1: ; preds = %cond.end22
%div43.1 = sdiv i16 27476, %var_15
%div.sext.1 = sext i16 %div43.1 to i32
br label %cond.end22.1
cond.end22.1: ; preds = %cond.true19.1, %cond.end22
%cond23.1 = phi i32 [ %div.sext.1, %cond.true19.1 ], [ 0, %cond.end22 ]
%tobool24.1 = icmp ne i32 %cond23.1, 0
%frombool.1 = zext i1 %tobool24.1 to i8
store i8 %frombool.1, i8* @var_36, align 1
%add.1 = add nuw nsw i32 %i_15.044, 2
%exitcond105.not.1 = icmp eq i32 %add.1, 22
br i1 %exitcond105.not.1, label %for.cond.cleanup9, label %for.body10
for.body10.1: ; preds = %cond.end22.1.1, %for.cond.cleanup9
%i_15.044.1 = phi i32 [ 0, %for.cond.cleanup9 ], [ %add.1.1, %cond.end22.1.1 ]
%arraydecay.1108 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 %i_15.044.1, i32 0
%4 = ptrtoint [22 x i8]* %arraydecay.1108 to i32
%arrayidx13.1109 = getelementptr inbounds [1 x i32], [1 x i32]* @arr_61, i32 0, i32 %i_15.044.1
store i32 %4, i32* %arrayidx13.1109, align 4
%arrayidx16.1110 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 1, i32 %conv, i32 %i_15.044.1
%5 = load i8, i8* %arrayidx16.1110, align 1
%tobool18.not.1111 = icmp eq i8 %5, 0
br i1 %tobool18.not.1111, label %cond.end22.1119, label %cond.true19.1114
cond.true19.1114: ; preds = %for.body10.1
%div43.1112 = sdiv i16 27476, %var_15
%div.sext.1113 = sext i16 %div43.1112 to i32
br label %cond.end22.1119
cond.end22.1119: ; preds = %cond.true19.1114, %for.body10.1
%cond23.1115 = phi i32 [ %div.sext.1113, %cond.true19.1114 ], [ 0, %for.body10.1 ]
%tobool24.1116 = icmp ne i32 %cond23.1115, 0
%frombool.1117 = zext i1 %tobool24.1116 to i8
store i8 %frombool.1117, i8* @var_36, align 1
%add.1118 = or i32 %i_15.044.1, 1
%arraydecay.1.1 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 %add.1118, i32 0
%6 = ptrtoint [22 x i8]* %arraydecay.1.1 to i32
%arrayidx13.1.1 = getelementptr inbounds [1 x i32], [1 x i32]* @arr_61, i32 0, i32 %add.1118
store i32 %6, i32* %arrayidx13.1.1, align 4
%arrayidx16.1.1 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 1, i32 %conv, i32 %add.1118
%7 = load i8, i8* %arrayidx16.1.1, align 1
%tobool18.not.1.1 = icmp eq i8 %7, 0
br i1 %tobool18.not.1.1, label %cond.end22.1.1, label %cond.true19.1.1
cond.true19.1.1: ; preds = %cond.end22.1119
%div43.1.1 = sdiv i16 27476, %var_15
%div.sext.1.1 = sext i16 %div43.1.1 to i32
br label %cond.end22.1.1
cond.end22.1.1: ; preds = %cond.true19.1.1, %cond.end22.1119
%cond23.1.1 = phi i32 [ %div.sext.1.1, %cond.true19.1.1 ], [ 0, %cond.end22.1119 ]
%tobool24.1.1 = icmp ne i32 %cond23.1.1, 0
%frombool.1.1 = zext i1 %tobool24.1.1 to i8
store i8 %frombool.1.1, i8* @var_36, align 1
%add.1.1 = add nuw nsw i32 %i_15.044.1, 2
%exitcond105.not.1.1 = icmp eq i32 %add.1.1, 22
br i1 %exitcond105.not.1.1, label %for.cond.cleanup9.1, label %for.body10.1
for.cond.cleanup9.1: ; preds = %cond.end22.1.1
%add27.1 = add nuw nsw i32 %conv45, 2
%conv.1 = and i32 %add27.1, 255
br label %for.body10.2
for.body10.2: ; preds = %cond.end22.1.2, %for.cond.cleanup9.1
%i_15.044.2 = phi i32 [ 0, %for.cond.cleanup9.1 ], [ %add.1.2, %cond.end22.1.2 ]
%arraydecay.2 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 %i_15.044.2, i32 0
%8 = ptrtoint [22 x i8]* %arraydecay.2 to i32
%arrayidx13.2 = getelementptr inbounds [1 x i32], [1 x i32]* @arr_61, i32 0, i32 %i_15.044.2
store i32 %8, i32* %arrayidx13.2, align 4
%arrayidx16.2 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 1, i32 %conv.1, i32 %i_15.044.2
%9 = load i8, i8* %arrayidx16.2, align 1
%tobool18.not.2 = icmp eq i8 %9, 0
br i1 %tobool18.not.2, label %cond.end22.2, label %cond.true19.2
cond.true19.2: ; preds = %for.body10.2
%div43.2 = sdiv i16 27476, %var_15
%div.sext.2 = sext i16 %div43.2 to i32
br label %cond.end22.2
cond.end22.2: ; preds = %cond.true19.2, %for.body10.2
%cond23.2 = phi i32 [ %div.sext.2, %cond.true19.2 ], [ 0, %for.body10.2 ]
%tobool24.2 = icmp ne i32 %cond23.2, 0
%frombool.2 = zext i1 %tobool24.2 to i8
store i8 %frombool.2, i8* @var_36, align 1
%add.2 = or i32 %i_15.044.2, 1
%arraydecay.1.2 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 %add.2, i32 0
%10 = ptrtoint [22 x i8]* %arraydecay.1.2 to i32
%arrayidx13.1.2 = getelementptr inbounds [1 x i32], [1 x i32]* @arr_61, i32 0, i32 %add.2
store i32 %10, i32* %arrayidx13.1.2, align 4
%arrayidx16.1.2 = getelementptr inbounds [18 x [22 x i8]], [18 x [22 x i8]]* %arr_60, i32 1, i32 %conv.1, i32 %add.2
%11 = load i8, i8* %arrayidx16.1.2, align 1
%tobool18.not.1.2 = icmp eq i8 %11, 0
br i1 %tobool18.not.1.2, label %cond.end22.1.2, label %cond.true19.1.2
cond.true19.1.2: ; preds = %cond.end22.2
%div43.1.2 = sdiv i16 27476, %var_15
%div.sext.1.2 = sext i16 %div43.1.2 to i32
br label %cond.end22.1.2
cond.end22.1.2: ; preds = %cond.true19.1.2, %cond.end22.2
%cond23.1.2 = phi i32 [ %div.sext.1.2, %cond.true19.1.2 ], [ 0, %cond.end22.2 ]
%tobool24.1.2 = icmp ne i32 %cond23.1.2, 0
%frombool.1.2 = zext i1 %tobool24.1.2 to i8
store i8 %frombool.1.2, i8* @var_36, align 1
%add.1.2 = add nuw nsw i32 %i_15.044.2, 2
%exitcond105.not.1.2 = icmp eq i32 %add.1.2, 22
br i1 %exitcond105.not.1.2, label %for.cond.cleanup9.2, label %for.body10.2
for.cond.cleanup9.2: ; preds = %cond.end22.1.2
%add27.2 = add nuw nsw i32 %conv45, 3
%conv.2 = and i32 %add27.2, 255
%cmp.2 = icmp ult i32 %conv.2, 18
br i1 %cmp.2, label %for.cond6.preheader, label %for.cond1
}
declare void @llvm.trap() #1
@b = hidden local_unnamed_addr global i32 0, align 4
@a = hidden local_unnamed_addr global i32 0, align 4
@c = hidden local_unnamed_addr global [1 x i32] zeroinitializer, align 4
define i32 @d(i64 %e, i32 %f, i64 %g, i32 %h) {
; CHECK-LABEL: d:
; 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: .pad #4
; CHECK-NEXT: sub sp, #4
; CHECK-NEXT: .vsave {d8, d9, d10, d11, d12, d13}
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13}
; CHECK-NEXT: .pad #16
; CHECK-NEXT: sub sp, #16
; CHECK-NEXT: mov r12, r1
; CHECK-NEXT: subs r1, r0, #1
; CHECK-NEXT: sbcs r1, r12, #0
; CHECK-NEXT: blt.w .LBB1_28
; CHECK-NEXT: @ %bb.1: @ %for.cond2.preheader.lr.ph
; CHECK-NEXT: movs r7, #1
; CHECK-NEXT: cmp r2, #1
; CHECK-NEXT: csel r3, r2, r7, lt
; CHECK-NEXT: movw r6, #43691
; CHECK-NEXT: mov r1, r3
; CHECK-NEXT: cmp r3, #3
; CHECK-NEXT: it ls
; CHECK-NEXT: movls r1, #3
; CHECK-NEXT: movt r6, #43690
; CHECK-NEXT: subs r1, r1, r3
; CHECK-NEXT: ldr r4, [sp, #112]
; CHECK-NEXT: adds r1, #2
; CHECK-NEXT: movw r10, :lower16:c
; CHECK-NEXT: movt r10, :upper16:c
; CHECK-NEXT: vmov.i32 q5, #0xc
; CHECK-NEXT: umull r1, r5, r1, r6
; CHECK-NEXT: vmov.i32 q6, #0xc
; CHECK-NEXT: @ implicit-def: $r11
; CHECK-NEXT: @ implicit-def: $r9
; CHECK-NEXT: str r3, [sp, #12] @ 4-byte Spill
; CHECK-NEXT: str r0, [sp, #8] @ 4-byte Spill
; CHECK-NEXT: strd r2, r12, [sp] @ 8-byte Folded Spill
; CHECK-NEXT: add.w r6, r7, r5, lsr #1
; CHECK-NEXT: @ implicit-def: $r5
; CHECK-NEXT: adr r1, .LCPI1_0
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: vadd.i32 q4, q0, r3
; CHECK-NEXT: b .LBB1_4
; CHECK-NEXT: .LBB1_2: @ %for.body6.preheader
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: mov r0, r9
; CHECK-NEXT: cmn.w r9, #4
; CHECK-NEXT: it le
; CHECK-NEXT: mvnle r0, #3
; CHECK-NEXT: movw r2, #18725
; CHECK-NEXT: adds r0, #6
; CHECK-NEXT: movt r2, #9362
; CHECK-NEXT: sub.w r1, r0, r9
; CHECK-NEXT: movs r5, #0
; CHECK-NEXT: umull r2, r3, r1, r2
; CHECK-NEXT: subs r2, r1, r3
; CHECK-NEXT: add.w r2, r3, r2, lsr #1
; CHECK-NEXT: lsrs r3, r2, #2
; CHECK-NEXT: lsls r3, r3, #3
; CHECK-NEXT: sub.w r2, r3, r2, lsr #2
; CHECK-NEXT: subs r1, r2, r1
; CHECK-NEXT: add r0, r1
; CHECK-NEXT: add.w r9, r0, #7
; CHECK-NEXT: ldrd r12, r0, [sp, #4] @ 8-byte Folded Reload
; CHECK-NEXT: .LBB1_3: @ %for.cond.cleanup5
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: add.w r11, r11, #2
; CHECK-NEXT: subs.w r1, r11, r0
; CHECK-NEXT: asr.w r7, r11, #31
; CHECK-NEXT: sbcs.w r1, r7, r12
; CHECK-NEXT: bge.w .LBB1_28
; CHECK-NEXT: .LBB1_4: @ %for.cond2.preheader
; CHECK-NEXT: @ =>This Loop Header: Depth=1
; CHECK-NEXT: @ Child Loop BB1_17 Depth 2
; CHECK-NEXT: @ Child Loop BB1_8 Depth 2
; CHECK-NEXT: @ Child Loop BB1_10 Depth 3
; CHECK-NEXT: @ Child Loop BB1_12 Depth 3
; CHECK-NEXT: cmp.w r9, #2
; CHECK-NEXT: bgt .LBB1_3
; CHECK-NEXT: @ %bb.5: @ %for.body6.lr.ph
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: ldr r0, [sp, #12] @ 4-byte Reload
; CHECK-NEXT: cmp r0, #5
; CHECK-NEXT: bhi .LBB1_15
; CHECK-NEXT: @ %bb.6: @ %for.body6.us.preheader
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: ldrd r2, r3, [sp, #104]
; CHECK-NEXT: movs r0, #32
; CHECK-NEXT: movs r1, #0
; CHECK-NEXT: bl __aeabi_ldivmod
; CHECK-NEXT: vdup.32 q0, r2
; CHECK-NEXT: ldr r0, [sp, #8] @ 4-byte Reload
; CHECK-NEXT: ldrd r2, r12, [sp] @ 8-byte Folded Reload
; CHECK-NEXT: mov r7, r9
; CHECK-NEXT: b .LBB1_8
; CHECK-NEXT: .LBB1_7: @ %for.cond.cleanup17.us
; CHECK-NEXT: @ in Loop: Header=BB1_8 Depth=2
; CHECK-NEXT: add.w r9, r7, #7
; CHECK-NEXT: cmn.w r7, #4
; CHECK-NEXT: mov.w r5, #0
; CHECK-NEXT: mov r7, r9
; CHECK-NEXT: bge .LBB1_3
; CHECK-NEXT: .LBB1_8: @ %for.body6.us
; CHECK-NEXT: @ Parent Loop BB1_4 Depth=1
; CHECK-NEXT: @ => This Loop Header: Depth=2
; CHECK-NEXT: @ Child Loop BB1_10 Depth 3
; CHECK-NEXT: @ Child Loop BB1_12 Depth 3
; CHECK-NEXT: cbz r2, .LBB1_11
; CHECK-NEXT: @ %bb.9: @ %for.body13.us51.preheader
; CHECK-NEXT: @ in Loop: Header=BB1_8 Depth=2
; CHECK-NEXT: movw r3, :lower16:a
; CHECK-NEXT: movs r1, #0
; CHECK-NEXT: movt r3, :upper16:a
; CHECK-NEXT: vmov q1, q4
; CHECK-NEXT: str r1, [r3]
; CHECK-NEXT: movw r3, :lower16:b
; CHECK-NEXT: movt r3, :upper16:b
; CHECK-NEXT: str r1, [r3]
; CHECK-NEXT: dlstp.32 lr, r6
; CHECK-NEXT: .LBB1_10: @ %vector.body111
; CHECK-NEXT: @ Parent Loop BB1_4 Depth=1
; CHECK-NEXT: @ Parent Loop BB1_8 Depth=2
; CHECK-NEXT: @ => This Inner Loop Header: Depth=3
; CHECK-NEXT: vshl.i32 q2, q1, #2
; CHECK-NEXT: vadd.i32 q1, q1, q6
; CHECK-NEXT: vadd.i32 q2, q2, r10
; CHECK-NEXT: vstrw.32 q0, [q2]
; CHECK-NEXT: letp lr, .LBB1_10
; CHECK-NEXT: b .LBB1_13
; CHECK-NEXT: .LBB1_11: @ %vector.body.preheader
; CHECK-NEXT: @ in Loop: Header=BB1_8 Depth=2
; CHECK-NEXT: vmov q1, q4
; CHECK-NEXT: dlstp.32 lr, r6
; CHECK-NEXT: .LBB1_12: @ %vector.body
; CHECK-NEXT: @ Parent Loop BB1_4 Depth=1
; CHECK-NEXT: @ Parent Loop BB1_8 Depth=2
; CHECK-NEXT: @ => This Inner Loop Header: Depth=3
; CHECK-NEXT: vshl.i32 q2, q1, #2
; CHECK-NEXT: vadd.i32 q1, q1, q5
; CHECK-NEXT: vadd.i32 q2, q2, r10
; CHECK-NEXT: vstrw.32 q0, [q2]
; CHECK-NEXT: letp lr, .LBB1_12
; CHECK-NEXT: .LBB1_13: @ %for.cond9.for.cond15.preheader_crit_edge.us
; CHECK-NEXT: @ in Loop: Header=BB1_8 Depth=2
; CHECK-NEXT: cmp r4, #0
; CHECK-NEXT: beq .LBB1_7
; CHECK-NEXT: @ %bb.14: @ %for.cond9.for.cond15.preheader_crit_edge.us
; CHECK-NEXT: @ in Loop: Header=BB1_8 Depth=2
; CHECK-NEXT: eor r1, r5, #1
; CHECK-NEXT: lsls r1, r1, #31
; CHECK-NEXT: bne .LBB1_7
; CHECK-NEXT: b .LBB1_26
; CHECK-NEXT: .LBB1_15: @ %for.body6.lr.ph.split
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: cmp r4, #0
; CHECK-NEXT: beq.w .LBB1_2
; CHECK-NEXT: @ %bb.16: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: ldrd r12, r0, [sp, #4] @ 8-byte Folded Reload
; CHECK-NEXT: mov r7, r9
; CHECK-NEXT: .LBB1_17: @ %for.body6.us60
; CHECK-NEXT: @ Parent Loop BB1_4 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: lsls r1, r5, #31
; CHECK-NEXT: bne .LBB1_27
; CHECK-NEXT: @ %bb.18: @ %for.cond.cleanup17.us63
; CHECK-NEXT: @ in Loop: Header=BB1_17 Depth=2
; CHECK-NEXT: cmn.w r7, #4
; CHECK-NEXT: bge .LBB1_22
; CHECK-NEXT: @ %bb.19: @ %for.cond.cleanup17.us63.1
; CHECK-NEXT: @ in Loop: Header=BB1_17 Depth=2
; CHECK-NEXT: cmn.w r7, #12
; CHECK-NEXT: bgt .LBB1_23
; CHECK-NEXT: @ %bb.20: @ %for.cond.cleanup17.us63.2
; CHECK-NEXT: @ in Loop: Header=BB1_17 Depth=2
; CHECK-NEXT: cmn.w r7, #19
; CHECK-NEXT: bgt .LBB1_24
; CHECK-NEXT: @ %bb.21: @ %for.cond.cleanup17.us63.3
; CHECK-NEXT: @ in Loop: Header=BB1_17 Depth=2
; CHECK-NEXT: add.w r9, r7, #28
; CHECK-NEXT: cmn.w r7, #25
; CHECK-NEXT: mov.w r5, #0
; CHECK-NEXT: mov r7, r9
; CHECK-NEXT: blt .LBB1_17
; CHECK-NEXT: b .LBB1_3
; CHECK-NEXT: .LBB1_22: @ %for.cond.cleanup5.loopexit134.split.loop.exit139
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: add.w r9, r7, #7
; CHECK-NEXT: b .LBB1_25
; CHECK-NEXT: .LBB1_23: @ %for.cond.cleanup5.loopexit134.split.loop.exit137
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: add.w r9, r7, #14
; CHECK-NEXT: b .LBB1_25
; CHECK-NEXT: .LBB1_24: @ %for.cond.cleanup5.loopexit134.split.loop.exit135
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: add.w r9, r7, #21
; CHECK-NEXT: .LBB1_25: @ %for.cond.cleanup5
; CHECK-NEXT: @ in Loop: Header=BB1_4 Depth=1
; CHECK-NEXT: movs r5, #0
; CHECK-NEXT: b .LBB1_3
; CHECK-NEXT: .LBB1_26: @ %for.inc19.us
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: b .LBB1_26
; CHECK-NEXT: .LBB1_27: @ %for.inc19.us66
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: b .LBB1_27
; CHECK-NEXT: .LBB1_28: @ %for.cond.cleanup
; CHECK-NEXT: add sp, #16
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13}
; CHECK-NEXT: add sp, #4
; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.29:
; CHECK-NEXT: .LCPI1_0:
; CHECK-NEXT: .long 0 @ 0x0
; CHECK-NEXT: .long 3 @ 0x3
; CHECK-NEXT: .long 6 @ 0x6
; CHECK-NEXT: .long 9 @ 0x9
entry:
%cmp47 = icmp sgt i64 %e, 0
br i1 %cmp47, label %for.cond2.preheader.lr.ph, label %for.cond.cleanup
for.cond2.preheader.lr.ph: ; preds = %entry
%cmp7.inv = icmp slt i32 %f, 1
%spec.select = select i1 %cmp7.inv, i32 %f, i32 1
%cmp1041 = icmp ult i32 %spec.select, 6
%tobool.not = icmp eq i32 %f, 0
%tobool20.not97 = icmp eq i32 %h, 0
%0 = icmp ugt i32 %spec.select, 3
%umax = select i1 %0, i32 %spec.select, i32 3
%1 = add i32 %umax, 2
%2 = sub i32 %1, %spec.select
%3 = udiv i32 %2, 3
%4 = add nuw nsw i32 %3, 1
%5 = icmp ugt i32 %spec.select, 3
%umax112 = select i1 %5, i32 %spec.select, i32 3
%6 = add i32 %umax112, 2
%7 = sub i32 %6, %spec.select
%8 = udiv i32 %7, 3
%9 = add nuw nsw i32 %8, 1
%n.rnd.up114 = add nuw nsw i32 %8, 4
%n.vec116 = and i32 %n.rnd.up114, 2147483644
%.splatinsert121 = insertelement <4 x i32> poison, i32 %spec.select, i32 0
%.splat122 = shufflevector <4 x i32> %.splatinsert121, <4 x i32> poison, <4 x i32> zeroinitializer
%induction123 = add <4 x i32> %.splat122, <i32 0, i32 3, i32 6, i32 9>
%n.rnd.up = add nuw nsw i32 %3, 4
%n.vec = and i32 %n.rnd.up, 2147483644
%.splatinsert = insertelement <4 x i32> poison, i32 %spec.select, i32 0
%.splat = shufflevector <4 x i32> %.splatinsert, <4 x i32> poison, <4 x i32> zeroinitializer
%induction = add <4 x i32> %.splat, <i32 0, i32 3, i32 6, i32 9>
br label %for.cond2.preheader
for.cond2.preheader: ; preds = %for.cond2.preheader.lr.ph, %for.cond.cleanup5
%l.0.off050 = phi i1 [ undef, %for.cond2.preheader.lr.ph ], [ %l.1.off0.lcssa, %for.cond.cleanup5 ]
%i.049 = phi i32 [ undef, %for.cond2.preheader.lr.ph ], [ %add26, %for.cond.cleanup5 ]
%j.048 = phi i32 [ undef, %for.cond2.preheader.lr.ph ], [ %j.1.lcssa, %for.cond.cleanup5 ]
%cmp343 = icmp slt i32 %j.048, 3
br i1 %cmp343, label %for.body6.lr.ph, label %for.cond.cleanup5
for.body6.lr.ph: ; preds = %for.cond2.preheader
br i1 %cmp1041, label %for.body6.us.preheader, label %for.body6.lr.ph.split
for.body6.us.preheader: ; preds = %for.body6.lr.ph
%rem.us = srem i64 32, %g
%conv14.us = trunc i64 %rem.us to i32
%broadcast.splatinsert131 = insertelement <4 x i32> poison, i32 %conv14.us, i32 0
%broadcast.splat132 = shufflevector <4 x i32> %broadcast.splatinsert131, <4 x i32> poison, <4 x i32> zeroinitializer
%broadcast.splatinsert107 = insertelement <4 x i32> poison, i32 %conv14.us, i32 0
%broadcast.splat108 = shufflevector <4 x i32> %broadcast.splatinsert107, <4 x i32> poison, <4 x i32> zeroinitializer
br label %for.body6.us
for.body6.us: ; preds = %for.body6.us.preheader, %for.cond.cleanup17.us
%l.1.off045.us = phi i1 [ false, %for.cond.cleanup17.us ], [ %l.0.off050, %for.body6.us.preheader ]
%j.144.us = phi i32 [ %add23.us, %for.cond.cleanup17.us ], [ %j.048, %for.body6.us.preheader ]
br i1 %tobool.not, label %vector.body, label %for.body13.us51.preheader
vector.body: ; preds = %for.body6.us, %vector.body
%index = phi i32 [ %index.next, %vector.body ], [ 0, %for.body6.us ]
%vec.ind = phi <4 x i32> [ %vec.ind.next, %vector.body ], [ %induction, %for.body6.us ]
%active.lane.mask = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %index, i32 %4)
%10 = getelementptr inbounds [1 x i32], [1 x i32]* @c, i32 0, <4 x i32> %vec.ind
call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> %broadcast.splat108, <4 x i32*> %10, i32 4, <4 x i1> %active.lane.mask)
%index.next = add i32 %index, 4
%vec.ind.next = add <4 x i32> %vec.ind, <i32 12, i32 12, i32 12, i32 12>
%11 = icmp eq i32 %index.next, %n.vec
br i1 %11, label %for.cond9.for.cond15.preheader_crit_edge.us, label %vector.body
for.body13.us51.preheader: ; preds = %for.body6.us
store i32 0, i32* @b, align 4
store i32 0, i32* @a, align 4
br label %vector.body111
vector.body111: ; preds = %vector.body111, %for.body13.us51.preheader
%index117 = phi i32 [ 0, %for.body13.us51.preheader ], [ %index.next118, %vector.body111 ]
%vec.ind124 = phi <4 x i32> [ %induction123, %for.body13.us51.preheader ], [ %vec.ind.next125, %vector.body111 ]
%active.lane.mask130 = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 %index117, i32 %9)
%12 = getelementptr inbounds [1 x i32], [1 x i32]* @c, i32 0, <4 x i32> %vec.ind124
call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> %broadcast.splat132, <4 x i32*> %12, i32 4, <4 x i1> %active.lane.mask130)
%index.next118 = add i32 %index117, 4
%vec.ind.next125 = add <4 x i32> %vec.ind124, <i32 12, i32 12, i32 12, i32 12>
%13 = icmp eq i32 %index.next118, %n.vec116
br i1 %13, label %for.cond9.for.cond15.preheader_crit_edge.us, label %vector.body111
for.cond.cleanup17.us: ; preds = %for.cond9.for.cond15.preheader_crit_edge.us
%add23.us = add nsw i32 %j.144.us, 7
%cmp3.us = icmp slt i32 %j.144.us, -4
br i1 %cmp3.us, label %for.body6.us, label %for.cond.cleanup5
for.inc19.us: ; preds = %for.cond9.for.cond15.preheader_crit_edge.us, %for.inc19.us
br label %for.inc19.us
for.cond9.for.cond15.preheader_crit_edge.us: ; preds = %vector.body111, %vector.body
%l.1.off045.us.not = xor i1 %l.1.off045.us, true
%brmerge = or i1 %tobool20.not97, %l.1.off045.us.not
br i1 %brmerge, label %for.cond.cleanup17.us, label %for.inc19.us
for.body6.lr.ph.split: ; preds = %for.body6.lr.ph
br i1 %tobool20.not97, label %for.body6.preheader, label %for.body6.us60
for.body6.preheader: ; preds = %for.body6.lr.ph.split
%14 = icmp sgt i32 %j.048, -4
%smax = select i1 %14, i32 %j.048, i32 -4
%15 = add nsw i32 %smax, 6
%16 = sub i32 %15, %j.048
%17 = urem i32 %16, 7
%18 = sub i32 %16, %17
%19 = add nsw i32 %j.048, 7
%20 = add i32 %19, %18
br label %for.cond.cleanup5
for.body6.us60: ; preds = %for.body6.lr.ph.split, %for.cond.cleanup17.us63.3
%l.1.off045.us61 = phi i1 [ false, %for.cond.cleanup17.us63.3 ], [ %l.0.off050, %for.body6.lr.ph.split ]
%j.144.us62 = phi i32 [ %add23.us64.3, %for.cond.cleanup17.us63.3 ], [ %j.048, %for.body6.lr.ph.split ]
br i1 %l.1.off045.us61, label %for.inc19.us66, label %for.cond.cleanup17.us63
for.cond.cleanup17.us63: ; preds = %for.body6.us60
%cmp3.us65 = icmp slt i32 %j.144.us62, -4
br i1 %cmp3.us65, label %for.cond.cleanup17.us63.1, label %for.cond.cleanup5.loopexit134.split.loop.exit139
for.inc19.us66: ; preds = %for.body6.us60, %for.inc19.us66
br label %for.inc19.us66
for.cond.cleanup: ; preds = %for.cond.cleanup5, %entry
ret i32 undef
for.cond.cleanup5.loopexit134.split.loop.exit135: ; preds = %for.cond.cleanup17.us63.2
%add23.us64.2.le = add nsw i32 %j.144.us62, 21
br label %for.cond.cleanup5
for.cond.cleanup5.loopexit134.split.loop.exit137: ; preds = %for.cond.cleanup17.us63.1
%add23.us64.1.le = add nsw i32 %j.144.us62, 14
br label %for.cond.cleanup5
for.cond.cleanup5.loopexit134.split.loop.exit139: ; preds = %for.cond.cleanup17.us63
%add23.us64.le = add nsw i32 %j.144.us62, 7
br label %for.cond.cleanup5
for.cond.cleanup5: ; preds = %for.cond.cleanup5.loopexit134.split.loop.exit135, %for.cond.cleanup5.loopexit134.split.loop.exit137, %for.cond.cleanup5.loopexit134.split.loop.exit139, %for.cond.cleanup17.us63.3, %for.cond.cleanup17.us, %for.body6.preheader, %for.cond2.preheader
%j.1.lcssa = phi i32 [ %j.048, %for.cond2.preheader ], [ %20, %for.body6.preheader ], [ %add23.us, %for.cond.cleanup17.us ], [ %add23.us64.2.le, %for.cond.cleanup5.loopexit134.split.loop.exit135 ], [ %add23.us64.1.le, %for.cond.cleanup5.loopexit134.split.loop.exit137 ], [ %add23.us64.le, %for.cond.cleanup5.loopexit134.split.loop.exit139 ], [ %add23.us64.3, %for.cond.cleanup17.us63.3 ]
%l.1.off0.lcssa = phi i1 [ %l.0.off050, %for.cond2.preheader ], [ false, %for.body6.preheader ], [ false, %for.cond.cleanup17.us ], [ false, %for.cond.cleanup17.us63.3 ], [ false, %for.cond.cleanup5.loopexit134.split.loop.exit139 ], [ false, %for.cond.cleanup5.loopexit134.split.loop.exit137 ], [ false, %for.cond.cleanup5.loopexit134.split.loop.exit135 ]
%add26 = add nsw i32 %i.049, 2
%conv = sext i32 %add26 to i64
%cmp = icmp slt i64 %conv, %e
br i1 %cmp, label %for.cond2.preheader, label %for.cond.cleanup
for.cond.cleanup17.us63.1: ; preds = %for.cond.cleanup17.us63
%cmp3.us65.1 = icmp slt i32 %j.144.us62, -11
br i1 %cmp3.us65.1, label %for.cond.cleanup17.us63.2, label %for.cond.cleanup5.loopexit134.split.loop.exit137
for.cond.cleanup17.us63.2: ; preds = %for.cond.cleanup17.us63.1
%cmp3.us65.2 = icmp slt i32 %j.144.us62, -18
br i1 %cmp3.us65.2, label %for.cond.cleanup17.us63.3, label %for.cond.cleanup5.loopexit134.split.loop.exit135
for.cond.cleanup17.us63.3: ; preds = %for.cond.cleanup17.us63.2
%add23.us64.3 = add nsw i32 %j.144.us62, 28
%cmp3.us65.3 = icmp slt i32 %j.144.us62, -25
br i1 %cmp3.us65.3, label %for.body6.us60, label %for.cond.cleanup5
}
declare <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32, i32) #1
declare void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32>, <4 x i32*>, i32 immarg, <4 x i1>) #2
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