1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -loop-vectorize -S -mtriple=x86_64-- -o - %s | FileCheck %s 3 4; Testcase that verify that we don't get a faulty bitcast that cast between 5; different sizes. 6 7%rec8 = type { i16 } 8 9@a = global [1 x %rec8] zeroinitializer 10@b = global [2 x i16*] zeroinitializer 11 12 13define void @f1() { 14; CHECK-LABEL: @f1( 15; CHECK-NEXT: bb1: 16; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 17; CHECK: vector.ph: 18; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 19; CHECK: vector.body: 20; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 21; CHECK-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX]] to i16 22; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i16> undef, i16 [[OFFSET_IDX]], i32 0 23; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT]], <2 x i16> undef, <2 x i32> zeroinitializer 24; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i16> [[BROADCAST_SPLAT]], <i16 0, i16 1> 25; CHECK-NEXT: [[TMP0:%.*]] = add i16 [[OFFSET_IDX]], 0 26; CHECK-NEXT: [[TMP1:%.*]] = sext i16 [[TMP0]] to i64 27; CHECK-NEXT: [[TMP2:%.*]] = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 [[TMP1]] 28; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i16*, i16** [[TMP2]], i32 0 29; CHECK-NEXT: [[TMP4:%.*]] = bitcast i16** [[TMP3]] to <2 x i16*>* 30; CHECK-NEXT: store <2 x i16*> <i16* getelementptr inbounds ([1 x %rec8], [1 x %rec8]* @a, i32 0, i32 0, i32 0), i16* getelementptr inbounds ([1 x %rec8], [1 x %rec8]* @a, i32 0, i32 0, i32 0)>, <2 x i16*>* [[TMP4]], align 8 31; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2 32; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 2 33; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0 34; CHECK: middle.block: 35; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 2, 2 36; CHECK-NEXT: br i1 [[CMP_N]], label [[BB3:%.*]], label [[SCALAR_PH]] 37; CHECK: scalar.ph: 38; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 2, [[MIDDLE_BLOCK]] ], [ 0, [[BB1:%.*]] ] 39; CHECK-NEXT: br label [[BB2:%.*]] 40; CHECK: bb2: 41; CHECK-NEXT: [[C_1_0:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[_TMP9:%.*]], [[BB2]] ] 42; CHECK-NEXT: [[_TMP1:%.*]] = zext i16 0 to i64 43; CHECK-NEXT: [[_TMP2:%.*]] = getelementptr [1 x %rec8], [1 x %rec8]* @a, i16 0, i64 [[_TMP1]] 44; CHECK-NEXT: [[_TMP4:%.*]] = bitcast %rec8* [[_TMP2]] to i16* 45; CHECK-NEXT: [[_TMP6:%.*]] = sext i16 [[C_1_0]] to i64 46; CHECK-NEXT: [[_TMP7:%.*]] = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 [[_TMP6]] 47; CHECK-NEXT: store i16* [[_TMP4]], i16** [[_TMP7]] 48; CHECK-NEXT: [[_TMP9]] = add nsw i16 [[C_1_0]], 1 49; CHECK-NEXT: [[_TMP11:%.*]] = icmp slt i16 [[_TMP9]], 2 50; CHECK-NEXT: br i1 [[_TMP11]], label [[BB2]], label [[BB3]], !llvm.loop !2 51; CHECK: bb3: 52; CHECK-NEXT: ret void 53; 54 55bb1: 56 br label %bb2 57 58bb2: 59 %c.1.0 = phi i16 [ 0, %bb1 ], [ %_tmp9, %bb2 ] 60 %_tmp1 = zext i16 0 to i64 61 %_tmp2 = getelementptr [1 x %rec8], [1 x %rec8]* @a, i16 0, i64 %_tmp1 62 %_tmp4 = bitcast %rec8* %_tmp2 to i16* 63 %_tmp6 = sext i16 %c.1.0 to i64 64 %_tmp7 = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 %_tmp6 65 store i16* %_tmp4, i16** %_tmp7 66 %_tmp9 = add nsw i16 %c.1.0, 1 67 %_tmp11 = icmp slt i16 %_tmp9, 2 68 br i1 %_tmp11, label %bb2, label %bb3 69 70bb3: 71 ret void 72} 73