1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/PowerPC/stride-vectorization.ll b/llvm/test/Transforms/LoopVectorize/PowerPC/stride-vectorization.ll
new file mode 100644
index 00000000000..f6f2609e8fb
--- /dev/null
+++ b/llvm/test/Transforms/LoopVectorize/PowerPC/stride-vectorization.ll
@@ -0,0 +1,36 @@
+; RUN: opt -S -basicaa -loop-vectorize < %s | FileCheck %s
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+; Function Attrs: nounwind
+define void @foo(double* noalias nocapture %a, double* noalias nocapture readonly %b) #0 {
+entry:
+  br label %for.body
+
+; CHECK-LABEL: @foo
+; CHECK: <2 x double>
+
+for.cond.cleanup:                                 ; preds = %for.body
+  ret void
+
+for.body:                                         ; preds = %for.body, %entry
+  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+  %0 = shl nsw i64 %indvars.iv, 1
+  %odd.idx = add nsw i64 %0, 1
+
+  %arrayidx = getelementptr inbounds double, double* %b, i64 %0
+  %arrayidx.odd = getelementptr inbounds double, double* %b, i64 %odd.idx
+
+  %1 = load double, double* %arrayidx, align 8
+  %2 = load double, double* %arrayidx.odd, align 8
+
+  %add = fadd double %1, %2
+  %arrayidx2 = getelementptr inbounds double, double* %a, i64 %indvars.iv
+  store double %add, double* %arrayidx2, align 8
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  %exitcond = icmp eq i64 %indvars.iv.next, 1600
+  br i1 %exitcond, label %for.cond.cleanup, label %for.body
+}
+
+attributes #0 = { nounwind "target-cpu"="pwr8" }
+