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8030ed3639
"Unroll" is not the appropriate name for this variable. Clang already uses the term "interleave" in pragmas and metadata for this. Differential Revision: http://reviews.llvm.org/D5066 llvm-svn: 217528
32 lines
1.4 KiB
LLVM
32 lines
1.4 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -dce -instcombine -S | 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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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: @test1(
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; CHECK: store <8 x i32>
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; CHECK: ret void
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define void @test1(i32* nocapture %a, i32 %n) #0 {
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entry:
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%cmp4 = icmp sgt i32 %n, 0
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br i1 %cmp4, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
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%0 = trunc i64 %indvars.iv to i32
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store i32 %0, i32* %arrayidx, align 4
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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, !llvm.loop !0
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for.end: ; preds = %for.body, %entry
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ret void
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!0 = metadata !{metadata !0, metadata !1}
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!1 = metadata !{metadata !"llvm.loop.vectorize.width", i32 8}
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