; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='loop-unroll-and-jam' < %s -mcpu=cortex-a55 -mtriple=aarch64 -S | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
define void @unj(i32 %I, i32 %argj, ptr noalias nocapture %A, ptr noalias nocapture readonly %B) #0 {
; CHECK-LABEL: @unj(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGJ:%.*]], 0
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END:%.*]], label [[FOR_PREHEADER:%.*]]
; CHECK: for.preheader:
; CHECK-NEXT: br label [[FOR_OUTER:%.*]]
; CHECK: for.outer:
; CHECK-NEXT: br label [[FOR_INNER:%.*]]
; CHECK: for.inner:
; CHECK-NEXT: [[J:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[J_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_1:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[SUM_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_1:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[J_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_2:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[SUM_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_2:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[J_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_3:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[SUM_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_3:%.*]], [[FOR_INNER]] ]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i32 [[J]]
; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT: [[SUB:%.*]] = add i32 [[SUM]], 10
; CHECK-NEXT: [[ADD]] = sub i32 [[SUB]], [[TMP0]]
; CHECK-NEXT: [[INC]] = add nuw i32 [[J]], 1
; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[J_1]]
; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX_1]], align 4
; CHECK-NEXT: [[SUB_1:%.*]] = add i32 [[SUM_1]], 10
; CHECK-NEXT: [[ADD_1]] = sub i32 [[SUB_1]], [[TMP1]]
; CHECK-NEXT: [[INC_1]] = add nuw i32 [[J_1]], 1
; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[J_2]]
; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX_2]], align 4
; CHECK-NEXT: [[SUB_2:%.*]] = add i32 [[SUM_2]], 10
; CHECK-NEXT: [[ADD_2]] = sub i32 [[SUB_2]], [[TMP2]]
; CHECK-NEXT: [[INC_2]] = add nuw i32 [[J_2]], 1
; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[J_3]]
; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX_3]], align 4
; CHECK-NEXT: [[SUB_3:%.*]] = add i32 [[SUM_3]], 10
; CHECK-NEXT: [[ADD_3]] = sub i32 [[SUB_3]], [[TMP3]]
; CHECK-NEXT: [[INC_3]] = add nuw i32 [[J_3]], 1
; CHECK-NEXT: [[EXITCOND_3:%.*]] = icmp eq i32 [[INC_3]], [[ARGJ]]
; CHECK-NEXT: br i1 [[EXITCOND_3]], label [[FOR_LATCH:%.*]], label [[FOR_INNER]]
; CHECK: for.latch:
; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_INNER]] ]
; CHECK-NEXT: [[ADD_LCSSA_1:%.*]] = phi i32 [ [[ADD_1]], [[FOR_INNER]] ]
; CHECK-NEXT: [[ADD_LCSSA_2:%.*]] = phi i32 [ [[ADD_2]], [[FOR_INNER]] ]
; CHECK-NEXT: [[ADD_LCSSA_3:%.*]] = phi i32 [ [[ADD_3]], [[FOR_INNER]] ]
; CHECK-NEXT: store i32 [[ADD_LCSSA]], ptr [[A:%.*]], align 4
; CHECK-NEXT: [[ARRAYIDX6_1:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 1
; CHECK-NEXT: store i32 [[ADD_LCSSA_1]], ptr [[ARRAYIDX6_1]], align 4
; CHECK-NEXT: [[ARRAYIDX6_2:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 2
; CHECK-NEXT: store i32 [[ADD_LCSSA_2]], ptr [[ARRAYIDX6_2]], align 4
; CHECK-NEXT: [[ARRAYIDX6_3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 3
; CHECK-NEXT: store i32 [[ADD_LCSSA_3]], ptr [[ARRAYIDX6_3]], align 4
; CHECK-NEXT: br label [[FOR_END_LOOPEXIT:%.*]]
; CHECK: for.end.loopexit:
; CHECK-NEXT: br label [[FOR_END]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
entry:
%cmp = icmp eq i32 %argj, 0
br i1 %cmp, label %for.end, label %for.preheader
for.preheader:
br label %for.outer
for.outer:
%i = phi i32 [ %add8, %for.latch ], [ 0, %for.preheader ]
br label %for.inner
for.inner:
%j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ]
%sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ]
%arrayidx = getelementptr inbounds i32, ptr %B, i32 %j
%0 = load i32, ptr %arrayidx, align 4
%sub = add i32 %sum, 10
%add = sub i32 %sub, %0
%inc = add nuw i32 %j, 1
%exitcond = icmp eq i32 %inc, %argj
br i1 %exitcond, label %for.latch, label %for.inner
for.latch:
%arrayidx6 = getelementptr inbounds i32, ptr %A, i32 %i
store i32 %add, ptr %arrayidx6, align 4
%add8 = add nuw nsw i32 %i, 1
%exitcond23 = icmp eq i32 %add8, 4
br i1 %exitcond23, label %for.end, label %for.outer
for.end:
ret void
}
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