| ; RUN: opt < %s -loop-vectorize -force-vector-unroll=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* %bytes, i64 %shr |
| %1 = load 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* %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 |
