1 files changed, 32 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/reduction2.ll b/test/Transforms/SLPVectorizer/X86/reduction2.ll
new file mode 100644
index 000000000000..7aa7d7e243d0
--- /dev/null
+++ b/test/Transforms/SLPVectorizer/X86/reduction2.ll
@@ -0,0 +1,32 @@
+; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
+target triple = "i386-apple-macosx10.8.0"
+
+;CHECK: @foo
+;CHECK: load <2 x double>
+;CHECK: ret
+define double @foo(double* nocapture %D) {
+  br label %1
+
+; <label>:1                                       ; preds = %1, %0
+  %i.02 = phi i32 [ 0, %0 ], [ %10, %1 ]
+  %sum.01 = phi double [ 0.000000e+00, %0 ], [ %9, %1 ]
+  %2 = shl nsw i32 %i.02, 1
+  %3 = getelementptr inbounds double* %D, i32 %2
+  %4 = load double* %3, align 4
+  %A4 = fmul double %4, %4
+  %5 = or i32 %2, 1
+  %6 = getelementptr inbounds double* %D, i32 %5
+  %7 = load double* %6, align 4
+  %A7 = fmul double %7, %7
+  %8 = fadd double %A4, %A7
+  %9 = fadd double %sum.01, %8
+  %10 = add nsw i32 %i.02, 1
+  %exitcond = icmp eq i32 %10, 100
+  br i1 %exitcond, label %11, label %1
+
+; <label>:11                                      ; preds = %1
+  ret double %9
+}
+