; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
define i32 @foo(ptr nocapture readonly %diff) #0 {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[M2:%.*]] = alloca [8 x [8 x i32]], align 16
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[A_088:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[OP_RDX:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = shl i64 [[INDVARS_IV]], 3
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[DIFF:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP1:%.*]] = or disjoint i64 [[TMP0]], 4
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[DIFF]], i64 [[TMP1]]
; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds [8 x [8 x i32]], ptr [[M2]], i64 0, i64 [[INDVARS_IV]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = load <4 x i32>, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT: [[TMP3:%.*]] = load <4 x i32>, ptr [[ARRAYIDX2]], align 4
; CHECK-NEXT: [[TMP4:%.*]] = add nsw <4 x i32> [[TMP3]], [[TMP2]]
; CHECK-NEXT: store <4 x i32> [[TMP4]], ptr [[ARRAYIDX6]], align 16
; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP4]])
; CHECK-NEXT: [[OP_RDX]] = add i32 [[TMP5]], [[A_088]]
; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 8
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; CHECK: for.end:
; CHECK-NEXT: call void @ff(ptr [[M2]])
; CHECK-NEXT: ret i32 [[OP_RDX]]
;
entry:
%m2 = alloca [8 x [8 x i32]], align 16
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 ]
%0 = shl i64 %indvars.iv, 3
%arrayidx = getelementptr inbounds i32, ptr %diff, i64 %0
%1 = load i32, ptr %arrayidx, align 4
%2 = or disjoint i64 %0, 4
%arrayidx2 = getelementptr inbounds i32, ptr %diff, i64 %2
%3 = load i32, ptr %arrayidx2, align 4
%add3 = add nsw i32 %3, %1
%arrayidx6 = getelementptr inbounds [8 x [8 x i32]], ptr %m2, i64 0, i64 %indvars.iv, i64 0
store i32 %add3, ptr %arrayidx6, align 16
%add10 = add nsw i32 %add3, %a.088
%4 = or disjoint i64 %0, 1
%arrayidx13 = getelementptr inbounds i32, ptr %diff, i64 %4
%5 = load i32, ptr %arrayidx13, align 4
%6 = or disjoint i64 %0, 5
%arrayidx16 = getelementptr inbounds i32, ptr %diff, i64 %6
%7 = load i32, ptr %arrayidx16, align 4
%add17 = add nsw i32 %7, %5
%arrayidx20 = getelementptr inbounds [8 x [8 x i32]], ptr %m2, i64 0, i64 %indvars.iv, i64 1
store i32 %add17, ptr %arrayidx20, align 4
%add24 = add nsw i32 %add10, %add17
%8 = or disjoint i64 %0, 2
%arrayidx27 = getelementptr inbounds i32, ptr %diff, i64 %8
%9 = load i32, ptr %arrayidx27, align 4
%10 = or disjoint i64 %0, 6
%arrayidx30 = getelementptr inbounds i32, ptr %diff, i64 %10
%11 = load i32, ptr %arrayidx30, align 4
%add31 = add nsw i32 %11, %9
%arrayidx34 = getelementptr inbounds [8 x [8 x i32]], ptr %m2, i64 0, i64 %indvars.iv, i64 2
store i32 %add31, ptr %arrayidx34, align 8
%add38 = add nsw i32 %add24, %add31
%12 = or disjoint i64 %0, 3
%arrayidx41 = getelementptr inbounds i32, ptr %diff, i64 %12
%13 = load i32, ptr %arrayidx41, align 4
%14 = or disjoint i64 %0, 7
%arrayidx44 = getelementptr inbounds i32, ptr %diff, i64 %14
%15 = load i32, ptr %arrayidx44, align 4
%add45 = add nsw i32 %15, %13
%arrayidx48 = getelementptr inbounds [8 x [8 x i32]], ptr %m2, i64 0, i64 %indvars.iv, i64 3
store i32 %add45, ptr %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
call void @ff(ptr %m2) #1
ret i32 %add52
}
declare void @ff(ptr) #2
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