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30 lines
1.3 KiB
LLVM
30 lines
1.3 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -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-apple-macosx10.8.0"
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;CHECK: @foo
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;CHECK: fadd <4 x float>
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;CHECK: ret
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define float @foo(float* nocapture %A, i32* nocapture %n) nounwind uwtable readonly ssp {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%sum.04 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
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%arrayidx = getelementptr inbounds float* %A, i64 %indvars.iv
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%0 = load float* %arrayidx, align 4, !tbaa !0
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%add = fadd fast float %sum.04, %0
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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, 200
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret float %add
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}
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!0 = metadata !{metadata !"float", metadata !1}
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!1 = metadata !{metadata !"omnipotent char", metadata !2}
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!2 = metadata !{metadata !"Simple C/C++ TBAA"}
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