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Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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;; Check that we do emit expensive instructions to compute trip
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;; counts when unrolling loops on the a2 (because we unroll a lot).
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define i32 @test(i64 %v12, i8* %array, i64* %loc) {
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; CHECK-LABEL: @test(
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; CHECK: udiv
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entry:
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%step = load i64, i64* %loc, !range !0
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br label %loop
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loop: ; preds = %entry, %loop
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%k.015 = phi i64 [ %v15, %loop ], [ %v12, %entry ]
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%v14 = getelementptr inbounds i8, i8* %array, i64 %k.015
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store i8 0, i8* %v14
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%v15 = add nuw nsw i64 %k.015, %step
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%v16 = icmp slt i64 %v15, 8193
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br i1 %v16, label %loop, label %loopexit
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loopexit: ; preds = %loop
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ret i32 0
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}
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!0 = !{i64 1, i64 100}
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; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll -unroll-runtime-epilog=true | FileCheck %s -check-prefix=EPILOG
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; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 -loop-unroll -unroll-runtime-epilog=false | FileCheck %s -check-prefix=PROLOG
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define i32 @test(i32* nocapture %a, i32 %n) nounwind uwtable readonly {
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entry:
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%cmp1 = icmp eq i32 %n, 0
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br i1 %cmp1, label %for.end, label %for.body
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for.body: ; preds = %for.body, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%sum.02 = phi i32 [ %add, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx, align 4
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%add = add nsw i32 %0, %sum.02
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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%sum.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
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ret i32 %sum.0.lcssa
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}
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; EPILOG-LABEL: @test
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; EPILOG: for.body:
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; EPILOG: br i1 %niter.ncmp.7, label %for.end.loopexit{{.*}}, label %for.body
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; EPILOG: for.body.epil{{.*}}:
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; PROLOG-LABEL: @test
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; PROLOG: for.body.prol{{.*}}:
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; PROLOG: for.body:
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; PROLOG: br i1 %exitcond.7, label %for.end.loopexit{{.*}}, label %for.body
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if not 'PowerPC' in config.root.targets:
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config.unsupported = True
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; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -loop-unroll | FileCheck %s
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define void @unroll_default() nounwind {
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %inc, %loop ]
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%inc = add i32 %iv, 1
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%exitcnd = icmp uge i32 %inc, 1024
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br i1 %exitcnd, label %exit, label %loop
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exit:
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ret void
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}
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; CHECK-LABEL: @unroll_default
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; CHECK: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: add
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; CHECK-NEXT: icmp
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@ -1,74 +0,0 @@
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; RUN: opt < %s -S -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -loop-unroll | FileCheck %s
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; RUN: opt < %s -S -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -loop-unroll | FileCheck %s
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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; Function Attrs: norecurse nounwind
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define i8* @f(i8* returned %s, i32 zeroext %x, i32 signext %k) local_unnamed_addr #0 {
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entry:
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%cmp10 = icmp sgt i32 %k, 0
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br i1 %cmp10, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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%wide.trip.count = zext i32 %k to i64
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%min.iters.check = icmp ult i32 %k, 16
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br i1 %min.iters.check, label %for.body.preheader, label %vector.ph
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vector.ph: ; preds = %for.body.lr.ph
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%n.vec = and i64 %wide.trip.count, 4294967280
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%broadcast.splatinsert = insertelement <16 x i32> undef, i32 %x, i32 0
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%broadcast.splat = shufflevector <16 x i32> %broadcast.splatinsert, <16 x i32> undef, <16 x i32> zeroinitializer
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br label %vector.body
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vector.body: ; preds = %vector.body, %vector.ph
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%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
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%vec.ind12 = phi <16 x i32> [ <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>, %vector.ph ], [ %vec.ind.next13, %vector.body ]
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%0 = shl <16 x i32> <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>, %vec.ind12
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%1 = and <16 x i32> %0, %broadcast.splat
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%2 = icmp eq <16 x i32> %1, zeroinitializer
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%3 = select <16 x i1> %2, <16 x i8> <i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48, i8 48>, <16 x i8> <i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49>
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%4 = getelementptr inbounds i8, i8* %s, i64 %index
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%5 = bitcast i8* %4 to <16 x i8>*
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store <16 x i8> %3, <16 x i8>* %5, align 1
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%index.next = add i64 %index, 16
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%vec.ind.next13 = add <16 x i32> %vec.ind12, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
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%6 = icmp eq i64 %index.next, %n.vec
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br i1 %6, label %middle.block, label %vector.body
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middle.block: ; preds = %vector.body
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%cmp.n = icmp eq i64 %n.vec, %wide.trip.count
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br i1 %cmp.n, label %for.end, label %for.body.preheader
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for.body.preheader: ; preds = %middle.block, %for.body.lr.ph
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%indvars.iv.ph = phi i64 [ 0, %for.body.lr.ph ], [ %n.vec, %middle.block ]
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader ]
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%7 = trunc i64 %indvars.iv to i32
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%shl = shl i32 1, %7
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%and = and i32 %shl, %x
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%tobool = icmp eq i32 %and, 0
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%conv = select i1 %tobool, i8 48, i8 49
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%arrayidx = getelementptr inbounds i8, i8* %s, i64 %indvars.iv
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store i8 %conv, i8* %arrayidx, align 1
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %middle.block, %entry
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%idxprom1 = sext i32 %k to i64
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%arrayidx2 = getelementptr inbounds i8, i8* %s, i64 %idxprom1
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store i8 0, i8* %arrayidx2, align 1
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ret i8* %s
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}
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; CHECK-LABEL: vector.body
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; CHECK: shl
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; CHECK-NEXT: and
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; CHECK: shl
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; CHECK-NEXT: and
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; CHECK: label %vector.body
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