--- /dev/null
+; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -dce -instcombine -S | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64--linux-gnu"
+
+; CHECK-LABEL: @reduction_i8
+;
+; char reduction_i8(char *a, char *b, int n) {
+; char sum = 0;
+; for (int i = 0; i < n; ++i)
+; sum += (a[i] + b[i]);
+; return sum;
+; }
+;
+; CHECK: vector.body:
+; CHECK: phi <16 x i8>
+; CHECK: load <16 x i8>
+; CHECK: load <16 x i8>
+; CHECK: add <16 x i8>
+; CHECK: add <16 x i8>
+;
+; CHECK: middle.block:
+; CHECK: shufflevector <16 x i8>
+; CHECK: add <16 x i8>
+; CHECK: shufflevector <16 x i8>
+; CHECK: add <16 x i8>
+; CHECK: shufflevector <16 x i8>
+; CHECK: add <16 x i8>
+; CHECK: shufflevector <16 x i8>
+; CHECK: add <16 x i8>
+; CHECK: [[Rdx:%[a-zA-Z0-9.]+]] = extractelement <16 x i8>
+; CHECK: zext i8 [[Rdx]] to i32
+;
+define i8 @reduction_i8(i8* nocapture readonly %a, i8* nocapture readonly %b, i32 %n) {
+entry:
+ %cmp.12 = icmp sgt i32 %n, 0
+ br i1 %cmp.12, label %for.body.preheader, label %for.cond.cleanup
+
+for.body.preheader:
+ br label %for.body
+
+for.cond.for.cond.cleanup_crit_edge:
+ %add5.lcssa = phi i32 [ %add5, %for.body ]
+ %conv6 = trunc i32 %add5.lcssa to i8
+ br label %for.cond.cleanup
+
+for.cond.cleanup:
+ %sum.0.lcssa = phi i8 [ %conv6, %for.cond.for.cond.cleanup_crit_edge ], [ 0, %entry ]
+ ret i8 %sum.0.lcssa
+
+for.body:
+ %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
+ %sum.013 = phi i32 [ %add5, %for.body ], [ 0, %for.body.preheader ]
+ %arrayidx = getelementptr inbounds i8, i8* %a, i64 %indvars.iv
+ %0 = load i8, i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i32
+ %arrayidx2 = getelementptr inbounds i8, i8* %b, i64 %indvars.iv
+ %1 = load i8, i8* %arrayidx2, align 1
+ %conv3 = zext i8 %1 to i32
+ %conv4 = and i32 %sum.013, 255
+ %add = add nuw nsw i32 %conv, %conv4
+ %add5 = add nuw nsw i32 %add, %conv3
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+ %lftr.wideiv = trunc i64 %indvars.iv.next to i32
+ %exitcond = icmp eq i32 %lftr.wideiv, %n
+ br i1 %exitcond, label %for.cond.for.cond.cleanup_crit_edge, label %for.body
+}
+
+; CHECK-LABEL: @reduction_i16
+;
+; short reduction_i16(short *a, short *b, int n) {
+; short sum = 0;
+; for (int i = 0; i < n; ++i)
+; sum += (a[i] + b[i]);
+; return sum;
+; }
+;
+; CHECK: vector.body:
+; CHECK: phi <8 x i16>
+; CHECK: load <8 x i16>
+; CHECK: load <8 x i16>
+; CHECK: add <8 x i16>
+; CHECK: add <8 x i16>
+;
+; CHECK: middle.block:
+; CHECK: shufflevector <8 x i16>
+; CHECK: add <8 x i16>
+; CHECK: shufflevector <8 x i16>
+; CHECK: add <8 x i16>
+; CHECK: shufflevector <8 x i16>
+; CHECK: add <8 x i16>
+; CHECK: [[Rdx:%[a-zA-Z0-9.]+]] = extractelement <8 x i16>
+; CHECK: zext i16 [[Rdx]] to i32
+;
+define i16 @reduction_i16(i16* nocapture readonly %a, i16* nocapture readonly %b, i32 %n) {
+entry:
+ %cmp.16 = icmp sgt i32 %n, 0
+ br i1 %cmp.16, label %for.body.preheader, label %for.cond.cleanup
+
+for.body.preheader:
+ br label %for.body
+
+for.cond.for.cond.cleanup_crit_edge:
+ %add5.lcssa = phi i32 [ %add5, %for.body ]
+ %conv6 = trunc i32 %add5.lcssa to i16
+ br label %for.cond.cleanup
+
+for.cond.cleanup:
+ %sum.0.lcssa = phi i16 [ %conv6, %for.cond.for.cond.cleanup_crit_edge ], [ 0, %entry ]
+ ret i16 %sum.0.lcssa
+
+for.body:
+ %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
+ %sum.017 = phi i32 [ %add5, %for.body ], [ 0, %for.body.preheader ]
+ %arrayidx = getelementptr inbounds i16, i16* %a, i64 %indvars.iv
+ %0 = load i16, i16* %arrayidx, align 2
+ %conv.14 = zext i16 %0 to i32
+ %arrayidx2 = getelementptr inbounds i16, i16* %b, i64 %indvars.iv
+ %1 = load i16, i16* %arrayidx2, align 2
+ %conv3.15 = zext i16 %1 to i32
+ %conv4.13 = and i32 %sum.017, 65535
+ %add = add nuw nsw i32 %conv.14, %conv4.13
+ %add5 = add nuw nsw i32 %add, %conv3.15
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+ %lftr.wideiv = trunc i64 %indvars.iv.next to i32
+ %exitcond = icmp eq i32 %lftr.wideiv, %n
+ br i1 %exitcond, label %for.cond.for.cond.cleanup_crit_edge, label %for.body
+}
+++ /dev/null
-; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -dce -instcombine -S | FileCheck %s
-
-target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
-target triple = "aarch64--linux-gnu"
-
-; CHECK-LABEL: @reduction_i8
-;
-; char reduction_i8(char *a, char *b, int n) {
-; char sum = 0;
-; for (int i = 0; i < n; ++i)
-; sum += (a[i] + b[i]);
-; return sum;
-; }
-;
-; CHECK: vector.body:
-; CHECK: phi <16 x i8>
-; CHECK: load <16 x i8>
-; CHECK: load <16 x i8>
-; CHECK: add <16 x i8>
-; CHECK: add <16 x i8>
-;
-; CHECK: middle.block:
-; CHECK: shufflevector <16 x i8>
-; CHECK: add <16 x i8>
-; CHECK: shufflevector <16 x i8>
-; CHECK: add <16 x i8>
-; CHECK: shufflevector <16 x i8>
-; CHECK: add <16 x i8>
-; CHECK: shufflevector <16 x i8>
-; CHECK: add <16 x i8>
-; CHECK: [[Rdx:%[a-zA-Z0-9.]+]] = extractelement <16 x i8>
-; CHECK: zext i8 [[Rdx]] to i32
-;
-define i8 @reduction_i8(i8* nocapture readonly %a, i8* nocapture readonly %b, i32 %n) {
-entry:
- %cmp.12 = icmp sgt i32 %n, 0
- br i1 %cmp.12, label %for.body.preheader, label %for.cond.cleanup
-
-for.body.preheader:
- br label %for.body
-
-for.cond.for.cond.cleanup_crit_edge:
- %add5.lcssa = phi i32 [ %add5, %for.body ]
- %conv6 = trunc i32 %add5.lcssa to i8
- br label %for.cond.cleanup
-
-for.cond.cleanup:
- %sum.0.lcssa = phi i8 [ %conv6, %for.cond.for.cond.cleanup_crit_edge ], [ 0, %entry ]
- ret i8 %sum.0.lcssa
-
-for.body:
- %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
- %sum.013 = phi i32 [ %add5, %for.body ], [ 0, %for.body.preheader ]
- %arrayidx = getelementptr inbounds i8, i8* %a, i64 %indvars.iv
- %0 = load i8, i8* %arrayidx, align 1
- %conv = zext i8 %0 to i32
- %arrayidx2 = getelementptr inbounds i8, i8* %b, i64 %indvars.iv
- %1 = load i8, i8* %arrayidx2, align 1
- %conv3 = zext i8 %1 to i32
- %conv4 = and i32 %sum.013, 255
- %add = add nuw nsw i32 %conv, %conv4
- %add5 = add nuw nsw i32 %add, %conv3
- %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
- %lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
- br i1 %exitcond, label %for.cond.for.cond.cleanup_crit_edge, label %for.body
-}
-
-; CHECK-LABEL: @reduction_i16
-;
-; short reduction_i16(short *a, short *b, int n) {
-; short sum = 0;
-; for (int i = 0; i < n; ++i)
-; sum += (a[i] + b[i]);
-; return sum;
-; }
-;
-; CHECK: vector.body:
-; CHECK: phi <8 x i16>
-; CHECK: load <8 x i16>
-; CHECK: load <8 x i16>
-; CHECK: add <8 x i16>
-; CHECK: add <8 x i16>
-;
-; CHECK: middle.block:
-; CHECK: shufflevector <8 x i16>
-; CHECK: add <8 x i16>
-; CHECK: shufflevector <8 x i16>
-; CHECK: add <8 x i16>
-; CHECK: shufflevector <8 x i16>
-; CHECK: add <8 x i16>
-; CHECK: [[Rdx:%[a-zA-Z0-9.]+]] = extractelement <8 x i16>
-; CHECK: zext i16 [[Rdx]] to i32
-;
-define i16 @reduction_i16(i16* nocapture readonly %a, i16* nocapture readonly %b, i32 %n) {
-entry:
- %cmp.16 = icmp sgt i32 %n, 0
- br i1 %cmp.16, label %for.body.preheader, label %for.cond.cleanup
-
-for.body.preheader:
- br label %for.body
-
-for.cond.for.cond.cleanup_crit_edge:
- %add5.lcssa = phi i32 [ %add5, %for.body ]
- %conv6 = trunc i32 %add5.lcssa to i16
- br label %for.cond.cleanup
-
-for.cond.cleanup:
- %sum.0.lcssa = phi i16 [ %conv6, %for.cond.for.cond.cleanup_crit_edge ], [ 0, %entry ]
- ret i16 %sum.0.lcssa
-
-for.body:
- %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
- %sum.017 = phi i32 [ %add5, %for.body ], [ 0, %for.body.preheader ]
- %arrayidx = getelementptr inbounds i16, i16* %a, i64 %indvars.iv
- %0 = load i16, i16* %arrayidx, align 2
- %conv.14 = zext i16 %0 to i32
- %arrayidx2 = getelementptr inbounds i16, i16* %b, i64 %indvars.iv
- %1 = load i16, i16* %arrayidx2, align 2
- %conv3.15 = zext i16 %1 to i32
- %conv4.13 = and i32 %sum.017, 65535
- %add = add nuw nsw i32 %conv.14, %conv4.13
- %add5 = add nuw nsw i32 %add, %conv3.15
- %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
- %lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
- br i1 %exitcond, label %for.cond.for.cond.cleanup_crit_edge, label %for.body
-}