78 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 52; RUN: opt -p loop-vectorize -force-vector-width=4 -force-vector-interleave=2 -S %s | FileCheck %s3 4declare i32 @foo()5 6; Test case for https://github.com/llvm/llvm-project/issues/128838. Make sure7; we do not crash when expanding %step.8define void @test(ptr %dst) personality ptr null {9; CHECK-LABEL: define void @test(10; CHECK-SAME: ptr [[DST:%.*]]) personality ptr null {11; CHECK-NEXT: [[ENTRY:.*:]]12; CHECK-NEXT: [[STEP:%.*]] = invoke i32 @foo()13; CHECK-NEXT: to label %[[LOOP_PREHEADER:.*]] unwind label %[[LPAD:.*]]14; CHECK: [[LOOP_PREHEADER]]:15; CHECK-NEXT: br label %[[VECTOR_PH:.*]]16; CHECK: [[VECTOR_PH]]:17; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[STEP]], i64 018; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer19; CHECK-NEXT: [[TMP0:%.*]] = mul i32 160, [[STEP]]20; CHECK-NEXT: [[TMP1:%.*]] = mul <4 x i32> splat (i32 4), [[BROADCAST_SPLAT]]21; CHECK-NEXT: [[TMP2:%.*]] = mul <4 x i32> <i32 0, i32 1, i32 2, i32 3>, [[BROADCAST_SPLAT]]22; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i32> zeroinitializer, [[TMP2]]23; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]24; CHECK: [[VECTOR_BODY]]:25; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]26; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]27; CHECK-NEXT: [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], [[TMP1]]28; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 [[INDEX]]29; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i64 430; CHECK-NEXT: store <4 x i32> [[VEC_IND]], ptr [[TMP4]], align 831; CHECK-NEXT: store <4 x i32> [[STEP_ADD]], ptr [[TMP6]], align 832; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 833; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[STEP_ADD]], [[TMP1]]34; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 16035; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]36; CHECK: [[MIDDLE_BLOCK]]:37; CHECK-NEXT: br label %[[SCALAR_PH:.*]]38; CHECK: [[SCALAR_PH]]:39; CHECK-NEXT: br label %[[LOOP:.*]]40; CHECK: [[LOOP]]:41; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ [[ADD:%.*]], %[[LOOP]] ], [ 160, %[[SCALAR_PH]] ]42; CHECK-NEXT: [[IV_2:%.*]] = phi i32 [ [[IV_2_NEXT:%.*]], %[[LOOP]] ], [ [[TMP0]], %[[SCALAR_PH]] ]43; CHECK-NEXT: [[ADD]] = add i64 [[IV_1]], 144; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 [[IV_1]]45; CHECK-NEXT: store i32 [[IV_2]], ptr [[GEP]], align 846; CHECK-NEXT: [[IV_2_NEXT]] = add i32 [[IV_2]], [[STEP]]47; CHECK-NEXT: [[EC:%.*]] = icmp ult i64 [[IV_1]], 16148; CHECK-NEXT: br i1 [[EC]], label %[[LOOP]], label %[[EXIT:.*]], !llvm.loop [[LOOP3:![0-9]+]]49; CHECK: [[EXIT]]:50; CHECK-NEXT: ret void51; CHECK: [[LPAD]]:52; CHECK-NEXT: [[LANDINGPAD:%.*]] = landingpad { ptr, i32 }53; CHECK-NEXT: cleanup54; CHECK-NEXT: ret void55;56entry:57 %step = invoke i32 @foo()58 to label %loop unwind label %lpad59 60loop:61 %iv.1 = phi i64 [ 0, %entry ], [ %add, %loop ]62 %iv.2 = phi i32 [ 0, %entry ], [ %iv.2.next, %loop ]63 %add = add i64 %iv.1, 164 %gep = getelementptr inbounds i32, ptr %dst, i64 %iv.165 store i32 %iv.2, ptr %gep, align 866 %iv.2.next = add i32 %iv.2, %step67 %ec = icmp ult i64 %iv.1, 16168 br i1 %ec, label %loop, label %exit69 70exit:71 ret void72 73lpad:74 %landingpad = landingpad { ptr, i32 }75 cleanup76 ret void77}78