1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; RUN: opt -mtriple=x86_64-apple-macosx -passes=loop-vectorize,simplifycfg,dce -force-vector-width=2 -force-vector-interleave=1 -S %s | FileCheck %s 3 4define void @test_pr55096(i64 %c, ptr %p) { 5; CHECK-LABEL: define void @test_pr55096( 6; CHECK-SAME: i64 [[C:%.*]], ptr [[P:%.*]]) { 7; CHECK-NEXT: entry: 8; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[C]], i64 0 9; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer 10; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 11; CHECK: vector.body: 12; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH:%.*]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE2:%.*]] ] 13; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 122, i64 123>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE2]] ] 14; CHECK-NEXT: [[DOTCAST:%.*]] = trunc i64 [[INDEX]] to i16 15; CHECK-NEXT: [[TMP0:%.*]] = mul i16 [[DOTCAST]], 2008 16; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i16 6229, [[TMP0]] 17; CHECK-NEXT: [[TMP1:%.*]] = icmp ult <2 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]] 18; CHECK-NEXT: [[TMP2:%.*]] = xor <2 x i1> [[TMP1]], splat (i1 true) 19; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i1> [[TMP2]], i32 0 20; CHECK-NEXT: br i1 [[TMP3]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] 21; CHECK: pred.store.if: 22; CHECK-NEXT: [[TMP4:%.*]] = add i16 [[OFFSET_IDX]], 0 23; CHECK-NEXT: [[TMP5:%.*]] = add i16 [[TMP4]], 2008 24; CHECK-NEXT: [[TMP6:%.*]] = udiv i16 4943, [[TMP5]] 25; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, ptr [[P]], i16 [[TMP6]] 26; CHECK-NEXT: store i16 0, ptr [[TMP7]], align 2 27; CHECK-NEXT: br label [[PRED_STORE_CONTINUE]] 28; CHECK: pred.store.continue: 29; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i1> [[TMP2]], i32 1 30; CHECK-NEXT: br i1 [[TMP9]], label [[PRED_STORE_IF1:%.*]], label [[PRED_STORE_CONTINUE2]] 31; CHECK: pred.store.if1: 32; CHECK-NEXT: [[TMP10:%.*]] = add i16 [[OFFSET_IDX]], 2008 33; CHECK-NEXT: [[TMP11:%.*]] = add i16 [[TMP10]], 2008 34; CHECK-NEXT: [[TMP12:%.*]] = udiv i16 4943, [[TMP11]] 35; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i16, ptr [[P]], i16 [[TMP12]] 36; CHECK-NEXT: store i16 0, ptr [[TMP13]], align 2 37; CHECK-NEXT: br label [[PRED_STORE_CONTINUE2]] 38; CHECK: pred.store.continue2: 39; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 40; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], splat (i64 2) 41; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 340 42; CHECK-NEXT: br i1 [[TMP15]], label [[EXIT:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 43; CHECK: exit: 44; CHECK-NEXT: ret void 45; 46entry: 47 br label %loop.header 48 49loop.header: 50 %iv.1 = phi i64 [ 122, %entry ], [ %iv.1.next, %loop.latch ] 51 %iv.2 = phi i16 [ 6229, %entry ], [ %iv.2.next, %loop.latch ] 52 %iv.2.next = add i16 %iv.2, 2008 53 %cmp = icmp ult i64 %iv.1, %c 54 br i1 %cmp, label %loop.latch, label %loop.then 55 56loop.then: 57 %div = udiv i16 4943, %iv.2.next 58 %gep = getelementptr inbounds i16, ptr %p, i16 %div 59 store i16 0, ptr %gep, align 2 60 br label %loop.latch 61 62loop.latch: 63 %iv.1.next = add nuw nsw i64 %iv.1, 1 64 %exitcond.not = icmp eq i64 %iv.1.next, 462 65 br i1 %exitcond.not, label %exit, label %loop.header 66 67exit: 68 ret void 69} 70;. 71; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} 72; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} 73; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"} 74;. 75