50 lines
2.2 KiB
LLVM
50 lines
2.2 KiB
LLVM
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; REQUIRES: asserts
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; RUN: opt < %s -loop-vectorize -debug-only=loop-vectorize -S 2>&1 | FileCheck %s
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios5.0.0"
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define void @selects_1(i32* nocapture %dst, i32 %A, i32 %B, i32 %C, i32 %N) {
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; CHECK: LV: Found an estimated cost of 5 for VF 2 For instruction: %cond = select i1 %cmp1, i32 10, i32 %and
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; CHECK: LV: Found an estimated cost of 5 for VF 2 For instruction: %cond6 = select i1 %cmp2, i32 30, i32 %and
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; CHECK: LV: Found an estimated cost of 5 for VF 2 For instruction: %cond11 = select i1 %cmp7, i32 %cond, i32 %cond6
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; CHECK: LV: Found an estimated cost of 13 for VF 4 For instruction: %cond = select i1 %cmp1, i32 10, i32 %and
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; CHECK: LV: Found an estimated cost of 13 for VF 4 For instruction: %cond6 = select i1 %cmp2, i32 30, i32 %and
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; CHECK: LV: Found an estimated cost of 13 for VF 4 For instruction: %cond11 = select i1 %cmp7, i32 %cond, i32 %cond6
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; CHECK-LABEL: define void @selects_1(
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; CHECK: vector.body:
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; CHECK: select <2 x i1>
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entry:
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%cmp26 = icmp sgt i32 %N, 0
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br i1 %cmp26, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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%wide.trip.count = zext i32 %N to i64
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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 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %dst, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx, align 4
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%and = and i32 %0, 2047
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%cmp1 = icmp eq i32 %and, %A
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%cond = select i1 %cmp1, i32 10, i32 %and
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%cmp2 = icmp eq i32 %and, %B
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%cond6 = select i1 %cmp2, i32 30, i32 %and
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%cmp7 = icmp ugt i32 %cond, %C
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%cond11 = select i1 %cmp7, i32 %cond, i32 %cond6
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store i32 %cond11, i32* %arrayidx, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
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br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.body
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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}
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