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
4 ; Testcase that verify that we don't get a faulty bitcast that cast between
9 @a = global [1 x %rec8] zeroinitializer
10 @b = global [2 x i16*] zeroinitializer
16 ; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
18 ; CHECK-NEXT: br label [[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> poison, i16 [[OFFSET_IDX]], i32 0
23 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT]], <2 x i16> poison, <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 nuw 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]], [[LOOP0:!llvm.loop !.*]]
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]]
38 ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 2, [[MIDDLE_BLOCK]] ], [ 0, [[BB1:%.*]] ]
39 ; CHECK-NEXT: br label [[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]], align 8
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]], [[LOOP2:!llvm.loop !.*]]
52 ; CHECK-NEXT: ret void
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