| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes='loop-unroll-and-jam' < %s -mcpu=cortex-a55 -mtriple=aarch64-none-linux-eabi -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, i32* noalias nocapture %A, i32* 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, i32* [[B:%.*]], i32 [[J]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[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, i32* [[B]], i32 [[J_1]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[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, i32* [[B]], i32 [[J_2]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[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, i32* [[B]], i32 [[J_3]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[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]], i32* [[A:%.*]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX6_1:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 1 |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_1]], i32* [[ARRAYIDX6_1]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX6_2:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 2 |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_2]], i32* [[ARRAYIDX6_2]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX6_3:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 3 |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_3]], i32* [[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, i32* %B, i32 %j |
| %0 = load i32, i32* %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, i32* %A, i32 %i |
| store i32 %add, i32* %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 |
| } |