forked from OSchip/llvm-project
50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
; RUN: opt < %s -loop-vectorize -S | FileCheck %s
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; CHECK: vector.body:
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; CHECK: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NEXT: fadd
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; CHECK-NOT: fadd
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; CHECK: middle.block
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-ibm-linux-gnu"
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define void @test(double* nocapture readonly %arr, i32 signext %len) #0 {
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entry:
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%cmp4 = icmp sgt i32 %len, 0
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br i1 %cmp4, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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%0 = add i32 %len, -1
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br label %for.body
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for.body: ; preds = %for.body, %for.body.lr.ph
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%indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
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%redx.05 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add, %for.body ]
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%arrayidx = getelementptr inbounds double, double* %arr, i64 %indvars.iv
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%1 = load double, double* %arrayidx, align 8
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%add = fadd fast double %1, %redx.05
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv to i32
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%exitcond = icmp eq i32 %lftr.wideiv, %0
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br i1 %exitcond, label %for.end.loopexit, label %for.body
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for.end.loopexit: ; preds = %for.body
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%add.lcssa = phi double [ %add, %for.body ]
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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%redx.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add.lcssa, %for.end.loopexit ]
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ret void
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}
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