1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes='loop-unroll-and-jam' < %s -mcpu=cortex-a55 -mtriple=aarch64 -S | FileCheck %s 3 4target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 5 6define void @unj(i32 %I, i32 %argj, ptr noalias nocapture %A, ptr noalias nocapture readonly %B) #0 { 7; CHECK-LABEL: @unj( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGJ:%.*]], 0 10; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END:%.*]], label [[FOR_PREHEADER:%.*]] 11; CHECK: for.preheader: 12; CHECK-NEXT: br label [[FOR_OUTER:%.*]] 13; CHECK: for.outer: 14; CHECK-NEXT: br label [[FOR_INNER:%.*]] 15; CHECK: for.inner: 16; CHECK-NEXT: [[J:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC:%.*]], [[FOR_INNER]] ] 17; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD:%.*]], [[FOR_INNER]] ] 18; CHECK-NEXT: [[J_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_1:%.*]], [[FOR_INNER]] ] 19; CHECK-NEXT: [[SUM_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_1:%.*]], [[FOR_INNER]] ] 20; CHECK-NEXT: [[J_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_2:%.*]], [[FOR_INNER]] ] 21; CHECK-NEXT: [[SUM_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_2:%.*]], [[FOR_INNER]] ] 22; CHECK-NEXT: [[J_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_3:%.*]], [[FOR_INNER]] ] 23; CHECK-NEXT: [[SUM_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_3:%.*]], [[FOR_INNER]] ] 24; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i32 [[J]] 25; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 26; CHECK-NEXT: [[SUB:%.*]] = add i32 [[SUM]], 10 27; CHECK-NEXT: [[ADD]] = sub i32 [[SUB]], [[TMP0]] 28; CHECK-NEXT: [[INC]] = add nuw i32 [[J]], 1 29; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[J_1]] 30; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX_1]], align 4 31; CHECK-NEXT: [[SUB_1:%.*]] = add i32 [[SUM_1]], 10 32; CHECK-NEXT: [[ADD_1]] = sub i32 [[SUB_1]], [[TMP1]] 33; CHECK-NEXT: [[INC_1]] = add nuw i32 [[J_1]], 1 34; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[J_2]] 35; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX_2]], align 4 36; CHECK-NEXT: [[SUB_2:%.*]] = add i32 [[SUM_2]], 10 37; CHECK-NEXT: [[ADD_2]] = sub i32 [[SUB_2]], [[TMP2]] 38; CHECK-NEXT: [[INC_2]] = add nuw i32 [[J_2]], 1 39; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[J_3]] 40; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX_3]], align 4 41; CHECK-NEXT: [[SUB_3:%.*]] = add i32 [[SUM_3]], 10 42; CHECK-NEXT: [[ADD_3]] = sub i32 [[SUB_3]], [[TMP3]] 43; CHECK-NEXT: [[INC_3]] = add nuw i32 [[J_3]], 1 44; CHECK-NEXT: [[EXITCOND_3:%.*]] = icmp eq i32 [[INC_3]], [[ARGJ]] 45; CHECK-NEXT: br i1 [[EXITCOND_3]], label [[FOR_LATCH:%.*]], label [[FOR_INNER]] 46; CHECK: for.latch: 47; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_INNER]] ] 48; CHECK-NEXT: [[ADD_LCSSA_1:%.*]] = phi i32 [ [[ADD_1]], [[FOR_INNER]] ] 49; CHECK-NEXT: [[ADD_LCSSA_2:%.*]] = phi i32 [ [[ADD_2]], [[FOR_INNER]] ] 50; CHECK-NEXT: [[ADD_LCSSA_3:%.*]] = phi i32 [ [[ADD_3]], [[FOR_INNER]] ] 51; CHECK-NEXT: store i32 [[ADD_LCSSA]], ptr [[A:%.*]], align 4 52; CHECK-NEXT: [[ARRAYIDX6_1:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 1 53; CHECK-NEXT: store i32 [[ADD_LCSSA_1]], ptr [[ARRAYIDX6_1]], align 4 54; CHECK-NEXT: [[ARRAYIDX6_2:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 2 55; CHECK-NEXT: store i32 [[ADD_LCSSA_2]], ptr [[ARRAYIDX6_2]], align 4 56; CHECK-NEXT: [[ARRAYIDX6_3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 3 57; CHECK-NEXT: store i32 [[ADD_LCSSA_3]], ptr [[ARRAYIDX6_3]], align 4 58; CHECK-NEXT: br label [[FOR_END_LOOPEXIT:%.*]] 59; CHECK: for.end.loopexit: 60; CHECK-NEXT: br label [[FOR_END]] 61; CHECK: for.end: 62; CHECK-NEXT: ret void 63; 64entry: 65 %cmp = icmp eq i32 %argj, 0 66 br i1 %cmp, label %for.end, label %for.preheader 67 68for.preheader: 69 br label %for.outer 70 71for.outer: 72 %i = phi i32 [ %add8, %for.latch ], [ 0, %for.preheader ] 73 br label %for.inner 74 75for.inner: 76 %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] 77 %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] 78 %arrayidx = getelementptr inbounds i32, ptr %B, i32 %j 79 %0 = load i32, ptr %arrayidx, align 4 80 %sub = add i32 %sum, 10 81 %add = sub i32 %sub, %0 82 %inc = add nuw i32 %j, 1 83 %exitcond = icmp eq i32 %inc, %argj 84 br i1 %exitcond, label %for.latch, label %for.inner 85 86for.latch: 87 %arrayidx6 = getelementptr inbounds i32, ptr %A, i32 %i 88 store i32 %add, ptr %arrayidx6, align 4 89 %add8 = add nuw nsw i32 %i, 1 90 %exitcond23 = icmp eq i32 %add8, 4 91 br i1 %exitcond23, label %for.end, label %for.outer 92 93for.end: 94 ret void 95} 96