| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -loop-vectorize -S -mtriple=x86_64-- -o - %s | FileCheck %s |
| |
| ; Testcase that verify that we don't get a faulty bitcast that cast between |
| ; different sizes. |
| |
| %rec8 = type { i16 } |
| |
| @a = global [1 x %rec8] zeroinitializer |
| @b = global [2 x i16*] zeroinitializer |
| |
| |
| define void @f1() { |
| ; CHECK-LABEL: @f1( |
| ; CHECK-NEXT: bb1: |
| ; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = trunc i32 [[INDEX]] to i16 |
| ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i16 0, [[TMP0]] |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i16> undef, i16 [[OFFSET_IDX]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT]], <2 x i16> undef, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i16> [[BROADCAST_SPLAT]], <i16 0, i16 1> |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i16 [[OFFSET_IDX]], 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = sext i16 [[TMP1]] to i64 |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 [[TMP2]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i16*, i16** [[TMP3]], i32 0 |
| ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i16** [[TMP4]] to <2 x i16*>* |
| ; CHECK-NEXT: store <2 x i16*> <i16* getelementptr inbounds (%rec8, %rec8* extractelement (<2 x %rec8*> getelementptr ([1 x %rec8], [1 x %rec8]* @a, <2 x i16> zeroinitializer, <2 x i64> zeroinitializer), i32 0), i32 0, i32 0), i16* getelementptr inbounds (%rec8, %rec8* extractelement (<2 x %rec8*> getelementptr ([1 x %rec8], [1 x %rec8]* @a, <2 x i16> zeroinitializer, <2 x i64> zeroinitializer), i32 1), i32 0, i32 0)>, <2 x i16*>* [[TMP5]], align 8 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 2 |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0 |
| ; CHECK: middle.block: |
| |
| bb1: |
| br label %bb2 |
| |
| bb2: |
| %c.1.0 = phi i16 [ 0, %bb1 ], [ %_tmp9, %bb2 ] |
| %_tmp1 = zext i16 0 to i64 |
| %_tmp2 = getelementptr [1 x %rec8], [1 x %rec8]* @a, i16 0, i64 %_tmp1 |
| %_tmp4 = bitcast %rec8* %_tmp2 to i16* |
| %_tmp6 = sext i16 %c.1.0 to i64 |
| %_tmp7 = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 %_tmp6 |
| store i16* %_tmp4, i16** %_tmp7 |
| %_tmp9 = add nsw i16 %c.1.0, 1 |
| %_tmp11 = icmp slt i16 %_tmp9, 2 |
| br i1 %_tmp11, label %bb2, label %bb3 |
| |
| bb3: |
| ret void |
| } |