73 lines
3.4 KiB
LLVM
73 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -loop-vectorize -S -mtriple=x86_64-- -o - %s | FileCheck %s
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; Testcase that verify that we don't get a faulty bitcast that cast between
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; different sizes.
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%rec8 = type { i16 }
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@a = global [1 x %rec8] zeroinitializer
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@b = global [2 x i16*] zeroinitializer
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define void @f1() {
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; CHECK-LABEL: @f1(
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; CHECK-NEXT: bb1:
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; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX]] to i16
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i16> poison, i16 [[OFFSET_IDX]], i32 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT]], <2 x i16> poison, <2 x i32> zeroinitializer
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; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i16> [[BROADCAST_SPLAT]], <i16 0, i16 1>
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; CHECK-NEXT: [[TMP0:%.*]] = add i16 [[OFFSET_IDX]], 0
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; CHECK-NEXT: [[TMP1:%.*]] = sext i16 [[TMP0]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i16*, i16** [[TMP2]], i32 0
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; CHECK-NEXT: [[TMP4:%.*]] = bitcast i16** [[TMP3]] to <2 x i16*>*
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; 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
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; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2
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; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 2
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; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP0:!llvm.loop !.*]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 2, 2
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; CHECK-NEXT: br i1 [[CMP_N]], label [[BB3:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 2, [[MIDDLE_BLOCK]] ], [ 0, [[BB1:%.*]] ]
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; CHECK-NEXT: br label [[BB2:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: [[C_1_0:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[_TMP9:%.*]], [[BB2]] ]
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; CHECK-NEXT: [[_TMP1:%.*]] = zext i16 0 to i64
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; CHECK-NEXT: [[_TMP2:%.*]] = getelementptr [1 x %rec8], [1 x %rec8]* @a, i16 0, i64 [[_TMP1]]
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; CHECK-NEXT: [[_TMP4:%.*]] = bitcast %rec8* [[_TMP2]] to i16*
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; CHECK-NEXT: [[_TMP6:%.*]] = sext i16 [[C_1_0]] to i64
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; CHECK-NEXT: [[_TMP7:%.*]] = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 [[_TMP6]]
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; CHECK-NEXT: store i16* [[_TMP4]], i16** [[_TMP7]], align 8
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; CHECK-NEXT: [[_TMP9]] = add nsw i16 [[C_1_0]], 1
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; CHECK-NEXT: [[_TMP11:%.*]] = icmp slt i16 [[_TMP9]], 2
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; CHECK-NEXT: br i1 [[_TMP11]], label [[BB2]], label [[BB3]], [[LOOP2:!llvm.loop !.*]]
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; CHECK: bb3:
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; CHECK-NEXT: ret void
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;
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bb1:
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br label %bb2
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bb2:
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%c.1.0 = phi i16 [ 0, %bb1 ], [ %_tmp9, %bb2 ]
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%_tmp1 = zext i16 0 to i64
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%_tmp2 = getelementptr [1 x %rec8], [1 x %rec8]* @a, i16 0, i64 %_tmp1
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%_tmp4 = bitcast %rec8* %_tmp2 to i16*
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%_tmp6 = sext i16 %c.1.0 to i64
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%_tmp7 = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 %_tmp6
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store i16* %_tmp4, i16** %_tmp7
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%_tmp9 = add nsw i16 %c.1.0, 1
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%_tmp11 = icmp slt i16 %_tmp9, 2
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br i1 %_tmp11, label %bb2, label %bb3
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bb3:
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ret void
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}
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