scheduling.ll
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; 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