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- ; RUN: opt < %s -basicaa -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
- 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"
- target triple = "x86_64-apple-macosx10.9.0"
- ;CHECK: hexit
- ;CHECK: zext <4 x i8>
- ;CHECK: ret
- define noalias i8* @hexit(i8* nocapture %bytes, i64 %length) nounwind uwtable ssp {
- entry:
- %shl = shl i64 %length, 1
- %add28 = or i64 %shl, 1
- %call = tail call i8* @calloc(i64 1, i64 %add28) nounwind
- %cmp29 = icmp eq i64 %shl, 0
- br i1 %cmp29, label %for.end, label %for.body.lr.ph
- for.body.lr.ph: ; preds = %entry
- %0 = shl i64 %length, 1
- br label %for.body
- for.body: ; preds = %for.body, %for.body.lr.ph
- %i.030 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
- %shr = lshr i64 %i.030, 1
- %arrayidx = getelementptr inbounds i8, i8* %bytes, i64 %shr
- %1 = load i8, i8* %arrayidx, align 1
- %conv = zext i8 %1 to i32
- %and = shl i64 %i.030, 2
- %neg = and i64 %and, 4
- %and3 = xor i64 %neg, 4
- %sh_prom = trunc i64 %and3 to i32
- %shl4 = shl i32 15, %sh_prom
- %and5 = and i32 %conv, %shl4
- %shr11 = lshr i32 %and5, %sh_prom
- %conv13 = and i32 %shr11, 254
- %cmp15 = icmp ugt i32 %conv13, 9
- %cond = select i1 %cmp15, i32 87, i32 48
- %add17 = add nsw i32 %cond, %shr11
- %conv18 = trunc i32 %add17 to i8
- %arrayidx19 = getelementptr inbounds i8, i8* %call, i64 %i.030
- store i8 %conv18, i8* %arrayidx19, align 1
- %inc = add i64 %i.030, 1
- %exitcond = icmp eq i64 %inc, %0
- br i1 %exitcond, label %for.end, label %for.body
- for.end: ; preds = %for.body, %entry
- ret i8* %call
- }
- declare noalias i8* @calloc(i64, i64) nounwind
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