1 files changed, 39 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SLPVectorizer/PowerPC/short-to-double.ll b/llvm/test/Transforms/SLPVectorizer/PowerPC/short-to-double.ll
new file mode 100644
index 00000000000..203f47c76d4
--- /dev/null
+++ b/llvm/test/Transforms/SLPVectorizer/PowerPC/short-to-double.ll
@@ -0,0 +1,39 @@
+; RUN: opt -S -mtriple=powerpc64-linux-gnu -mcpu=pwr9 -mattr=+vsx -slp-vectorizer < %s | FileCheck %s --check-prefix=CHECK-P9
+; RUN: opt -S -mtriple=powerpc64-linux-gnu -mcpu=pwr8 -mattr=+vsx -slp-vectorizer < %s | FileCheck %s --check-prefix=CHECK-P8
+
+%struct._pp = type { i16, i16, i16, i16 }
+
+; Function Attrs: norecurse nounwind readonly
+define [5 x double] @foo(double %k, i64 %n, %struct._pp* nocapture readonly %p) local_unnamed_addr #0 {
+entry:
+  %cmp17 = icmp sgt i64 %n, 0
+  br i1 %cmp17, label %for.body, label %for.cond.cleanup
+
+for.cond.cleanup:                                 ; preds = %for.body, %entry
+  %retval.sroa.0.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add, %for.body ]
+  %retval.sroa.4.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add10, %for.body ]
+  %.fca.0.insert = insertvalue [5 x double] undef, double %retval.sroa.0.0.lcssa, 0
+  %.fca.1.insert = insertvalue [5 x double] %.fca.0.insert, double %retval.sroa.4.0.lcssa, 1
+  ret [5 x double] %.fca.1.insert
+
+for.body:                                         ; preds = %entry, %for.body
+  %i.020 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
+  %retval.sroa.4.019 = phi double [ %add10, %for.body ], [ 0.000000e+00, %entry ]
+  %retval.sroa.0.018 = phi double [ %add, %for.body ], [ 0.000000e+00, %entry ]
+  %r1 = getelementptr inbounds %struct._pp, %struct._pp* %p, i64 %i.020, i32 2
+  %0 = load i16, i16* %r1, align 2
+  %conv2 = uitofp i16 %0 to double
+  %mul = fmul double %conv2, %k
+  %add = fadd double %retval.sroa.0.018, %mul
+  %g5 = getelementptr inbounds %struct._pp, %struct._pp* %p, i64 %i.020, i32 1
+  %1 = load i16, i16* %g5, align 2
+  %conv7 = uitofp i16 %1 to double
+  %mul8 = fmul double %conv7, %k
+  %add10 = fadd double %retval.sroa.4.019, %mul8
+  %inc = add nuw nsw i64 %i.020, 1
+  %exitcond = icmp eq i64 %inc, %n
+  br i1 %exitcond, label %for.cond.cleanup, label %for.body
+}
+
+; CHECK-P8: load <2 x i16>
+; CHECK-P9-NOT: load <2 x i16>