1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -loop-vectorize -mtriple=powerpc64le-unknown-unknown \ 3; RUN: -force-target-max-vector-interleave=1 -mcpu=pwr9 < %s | FileCheck %s 4define dso_local void @test(i32* %Arr, i32 signext %Len) { 5; CHECK-LABEL: @test( 6; CHECK-NEXT: entry: 7; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 0, [[LEN:%.*]] 8; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_COND_CLEANUP:%.*]] 9; CHECK: for.body.lr.ph: 10; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[LEN]], 4 11; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 12; CHECK: vector.ph: 13; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[LEN]], 4 14; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[LEN]], [[N_MOD_VF]] 15; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 16; CHECK: vector.body: 17; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 18; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0 19; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[TMP0]] to i64 20; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[ARR:%.*]], i64 [[TMP1]] 21; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 0 22; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>* 23; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4 24; CHECK-NEXT: [[TMP5:%.*]] = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> [[WIDE_LOAD]]) 25; CHECK-NEXT: [[TMP6:%.*]] = sext i32 [[TMP0]] to i64 26; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[ARR]], i64 [[TMP6]] 27; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP7]], i32 0 28; CHECK-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <4 x i32>* 29; CHECK-NEXT: store <4 x i32> [[TMP5]], <4 x i32>* [[TMP9]], align 4 30; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 31; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] 32; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 33; CHECK: middle.block: 34; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[LEN]], [[N_VEC]] 35; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_FOR_COND_CLEANUP_CRIT_EDGE:%.*]], label [[SCALAR_PH]] 36; CHECK: scalar.ph: 37; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ] 38; CHECK-NEXT: br label [[FOR_BODY:%.*]] 39; CHECK: for.cond.for.cond.cleanup_crit_edge: 40; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] 41; CHECK: for.cond.cleanup: 42; CHECK-NEXT: br label [[FOR_END:%.*]] 43; CHECK: for.body: 44; CHECK-NEXT: [[I_02:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ] 45; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[I_02]] to i64 46; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[ARR]], i64 [[IDXPROM]] 47; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 48; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP11]]) 49; CHECK-NEXT: [[IDXPROM1:%.*]] = sext i32 [[I_02]] to i64 50; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[ARR]], i64 [[IDXPROM1]] 51; CHECK-NEXT: store i32 [[TMP12]], i32* [[ARRAYIDX2]], align 4 52; CHECK-NEXT: br label [[FOR_INC]] 53; CHECK: for.inc: 54; CHECK-NEXT: [[INC]] = add nsw i32 [[I_02]], 1 55; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], [[LEN]] 56; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_FOR_COND_CLEANUP_CRIT_EDGE]], !llvm.loop [[LOOP2:![0-9]+]] 57; CHECK: for.end: 58; CHECK-NEXT: ret void 59; 60entry: 61 %cmp1 = icmp slt i32 0, %Len 62 br i1 %cmp1, label %for.body.lr.ph, label %for.cond.cleanup 63 64for.body.lr.ph: ; preds = %entry 65 br label %for.body 66 67for.cond.for.cond.cleanup_crit_edge: ; preds = %for.inc 68 br label %for.cond.cleanup 69 70for.cond.cleanup: ; preds = %for.cond.for.cond.cleanup_crit_edge, %entry 71 br label %for.end 72 73for.body: ; preds = %for.body.lr.ph, %for.inc 74 %i.02 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ] 75 %idxprom = sext i32 %i.02 to i64 76 %arrayidx = getelementptr inbounds i32, i32* %Arr, i64 %idxprom 77 %0 = load i32, i32* %arrayidx, align 4 78 %1 = call i32 @llvm.bswap.i32(i32 %0) 79 %idxprom1 = sext i32 %i.02 to i64 80 %arrayidx2 = getelementptr inbounds i32, i32* %Arr, i64 %idxprom1 81 store i32 %1, i32* %arrayidx2, align 4 82 br label %for.inc 83 84for.inc: ; preds = %for.body 85 %inc = add nsw i32 %i.02, 1 86 %cmp = icmp slt i32 %inc, %Len 87 br i1 %cmp, label %for.body, label %for.cond.for.cond.cleanup_crit_edge 88 89for.end: ; preds = %for.cond.cleanup 90 ret void 91} 92 93; Function Attrs: nounwind readnone speculatable willreturn 94declare i32 @llvm.bswap.i32(i32) 95