1 files changed, 53 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/calloc.ll b/test/Transforms/LoopVectorize/calloc.ll
new file mode 100644
index 0000000..08c84ef
--- /dev/null
+++ b/test/Transforms/LoopVectorize/calloc.ll
@@ -0,0 +1,53 @@
+; 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, !tbaa !0
+  %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, !tbaa !0
+  %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
+
+!0 = metadata !{metadata !"omnipotent char", metadata !1}
+!1 = metadata !{metadata !"Simple C/C++ TBAA"}