1 files changed, 78 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/scheduling.ll b/llvm/test/Transforms/SLPVectorizer/X86/scheduling.ll
new file mode 100644
index 00000000000..c4f521c8963
--- /dev/null
+++ b/llvm/test/Transforms/SLPVectorizer/X86/scheduling.ll
@@ -0,0 +1,78 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
+
+define i32 @foo(i32* nocapture readonly %diff) #0 {
+; CHECK-LABEL: @foo(
+; CHECK: load <4 x i32>
+; CHECK: load <4 x i32>
+; CHECK: [[S1:%.+]] = add nsw <4 x i32>
+; CHECK: store <4 x i32> [[S1]],
+; CHECK:         [[RDX_SHUF:%.*]] = shufflevector <4 x i32> [[S1]], <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
+; CHECK-NEXT:    [[BIN_RDX:%.*]] = add nsw <4 x i32> [[S1]], [[RDX_SHUF]]
+; CHECK-NEXT:    [[RDX_SHUF1:%.*]] = shufflevector <4 x i32> [[BIN_RDX]], <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
+; CHECK-NEXT:    [[BIN_RDX2:%.*]] = add nsw <4 x i32> [[BIN_RDX]], [[RDX_SHUF1]]
+; CHECK-NEXT:    [[TMP15:%.*]] = extractelement <4 x i32> [[BIN_RDX2]], i32 0
+; CHECK:         [[ADD52:%.*]] = add nsw i32 [[TMP15]],
+; CHECK:          ret i32 [[ADD52]]
+;
+entry:
+  %m2 = alloca [8 x [8 x i32]], align 16
+  %0 = bitcast [8 x [8 x i32]]* %m2 to i8*
+  br label %for.body
+
+for.body:                                         ; preds = %for.body, %entry
+  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+  %a.088 = phi i32 [ 0, %entry ], [ %add52, %for.body ]
+  %1 = shl i64 %indvars.iv, 3
+  %arrayidx = getelementptr inbounds i32, i32* %diff, i64 %1
+  %2 = load i32, i32* %arrayidx, align 4
+  %3 = or i64 %1, 4
+  %arrayidx2 = getelementptr inbounds i32, i32* %diff, i64 %3
+  %4 = load i32, i32* %arrayidx2, align 4
+  %add3 = add nsw i32 %4, %2
+  %arrayidx6 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 %indvars.iv, i64 0
+  store i32 %add3, i32* %arrayidx6, align 16
+  %add10 = add nsw i32 %add3, %a.088
+  %5 = or i64 %1, 1
+  %arrayidx13 = getelementptr inbounds i32, i32* %diff, i64 %5
+  %6 = load i32, i32* %arrayidx13, align 4
+  %7 = or i64 %1, 5
+  %arrayidx16 = getelementptr inbounds i32, i32* %diff, i64 %7
+  %8 = load i32, i32* %arrayidx16, align 4
+  %add17 = add nsw i32 %8, %6
+  %arrayidx20 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 %indvars.iv, i64 1
+  store i32 %add17, i32* %arrayidx20, align 4
+  %add24 = add nsw i32 %add10, %add17
+  %9 = or i64 %1, 2
+  %arrayidx27 = getelementptr inbounds i32, i32* %diff, i64 %9
+  %10 = load i32, i32* %arrayidx27, align 4
+  %11 = or i64 %1, 6
+  %arrayidx30 = getelementptr inbounds i32, i32* %diff, i64 %11
+  %12 = load i32, i32* %arrayidx30, align 4
+  %add31 = add nsw i32 %12, %10
+  %arrayidx34 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 %indvars.iv, i64 2
+  store i32 %add31, i32* %arrayidx34, align 8
+  %add38 = add nsw i32 %add24, %add31
+  %13 = or i64 %1, 3
+  %arrayidx41 = getelementptr inbounds i32, i32* %diff, i64 %13
+  %14 = load i32, i32* %arrayidx41, align 4
+  %15 = or i64 %1, 7
+  %arrayidx44 = getelementptr inbounds i32, i32* %diff, i64 %15
+  %16 = load i32, i32* %arrayidx44, align 4
+  %add45 = add nsw i32 %16, %14
+  %arrayidx48 = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 %indvars.iv, i64 3
+  store i32 %add45, i32* %arrayidx48, align 4
+  %add52 = add nsw i32 %add38, %add45
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+  %exitcond = icmp eq i64 %indvars.iv.next, 8
+  br i1 %exitcond, label %for.end, label %for.body
+
+for.end:                                          ; preds = %for.body
+  %arraydecay = getelementptr inbounds [8 x [8 x i32]], [8 x [8 x i32]]* %m2, i64 0, i64 0
+  call void @ff([8 x i32]* %arraydecay) #1
+  ret i32 %add52
+}
+
+declare void @ff([8 x i32]*) #2
+
+