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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 22; RUN: opt -hexagon-vc -S -mtriple=hexagon < %s | FileCheck %s3 4; A safety check was accidentally modified, allowing moving memory5; instructions over other aliased memory instructions. In this case6; a load was moved over a memset.7 8; This testcase should be left untouched by the vector alignment code.9 10define internal fastcc i32 @f0(ptr noalias nocapture align 64 %a0, ptr noalias nocapture readonly align 64 %a1, ptr noalias nocapture readonly align 64 %a2) unnamed_addr #0 {11; CHECK-LABEL: define internal fastcc i32 @f012; CHECK-SAME: (ptr noalias align 64 captures(none) [[A0:%.*]], ptr noalias readonly align 64 captures(none) [[A1:%.*]], ptr noalias readonly align 64 captures(none) [[A2:%.*]]) unnamed_addr #[[ATTR0:[0-9]+]] {13; CHECK-NEXT: b0:14; CHECK-NEXT: [[V0:%.*]] = load <32 x i32>, ptr [[A2]], align 64, !tbaa [[TBAA0:![0-9]+]]15; CHECK-NEXT: br label [[B1:%.*]]16; CHECK: b1:17; CHECK-NEXT: [[V1:%.*]] = phi i32 [ [[V13:%.*]], [[B1]] ], [ 1024, [[B0:%.*]] ]18; CHECK-NEXT: [[V2:%.*]] = phi ptr [ [[A0]], [[B0]] ], [ [[V9:%.*]], [[B1]] ]19; CHECK-NEXT: [[V3:%.*]] = phi ptr [ [[A1]], [[B0]] ], [ [[V8:%.*]], [[B1]] ]20; CHECK-NEXT: tail call void @llvm.memset.p0.i32(ptr noundef nonnull align 4 dereferenceable(128) [[V2]], i8 0, i32 128, i1 false), !tbaa [[TBAA7:![0-9]+]]21; CHECK-NEXT: [[V4:%.*]] = getelementptr i8, ptr [[V2]], i32 022; CHECK-NEXT: [[V5:%.*]] = load <32 x i32>, ptr [[V4]], align 64, !tbaa [[TBAA7]]23; CHECK-NEXT: [[V6:%.*]] = load <32 x i32>, ptr [[V3]], align 64, !tbaa [[TBAA9:![0-9]+]]24; CHECK-NEXT: [[V7:%.*]] = tail call <32 x i32> @llvm.hexagon.V6.vrmpyubv.acc.128B(<32 x i32> [[V5]], <32 x i32> [[V6]], <32 x i32> [[V0]])25; CHECK-NEXT: store <32 x i32> [[V7]], ptr [[V2]], align 64, !tbaa [[TBAA7]]26; CHECK-NEXT: [[V8]] = getelementptr i8, ptr [[V3]], i32 12827; CHECK-NEXT: [[V9]] = getelementptr i8, ptr [[V2]], i32 12828; CHECK-NEXT: tail call void @llvm.memset.p0.i32(ptr noundef nonnull align 4 dereferenceable(128) [[V9]], i8 0, i32 128, i1 false), !tbaa [[TBAA7]]29; CHECK-NEXT: [[V10:%.*]] = load <32 x i32>, ptr [[V9]], align 64, !tbaa [[TBAA7]]30; CHECK-NEXT: [[V11:%.*]] = load <32 x i32>, ptr [[V8]], align 64, !tbaa [[TBAA9]]31; CHECK-NEXT: [[V12:%.*]] = tail call <32 x i32> @llvm.hexagon.V6.vrmpyubv.acc.128B(<32 x i32> [[V10]], <32 x i32> [[V11]], <32 x i32> [[V0]])32; CHECK-NEXT: store <32 x i32> [[V12]], ptr [[V9]], align 64, !tbaa [[TBAA7]]33; CHECK-NEXT: [[V13]] = add nsw i32 [[V1]], -1634; CHECK-NEXT: [[V14:%.*]] = icmp eq i32 [[V13]], 035; CHECK-NEXT: br i1 [[V14]], label [[B2:%.*]], label [[B1]], !prof [[PROF11:![0-9]+]]36; CHECK: b2:37; CHECK-NEXT: ret i32 038;39b0:40 %v0 = load <32 x i32>, ptr %a2, align 64, !tbaa !041 br label %b142 43b1: ; preds = %b1, %b044 %v1 = phi i32 [ %v13, %b1 ], [ 1024, %b0 ]45 %v2 = phi ptr [ %a0, %b0 ], [ %v9, %b1 ]46 %v3 = phi ptr [ %a1, %b0 ], [ %v8, %b1 ]47 tail call void @llvm.memset.p0.i32(ptr noundef nonnull align 4 dereferenceable(128) %v2, i8 0, i32 128, i1 false), !tbaa !748 %v4 = getelementptr i8, ptr %v2, i32 049 %v5 = load <32 x i32>, ptr %v4, align 64, !tbaa !750 %v6 = load <32 x i32>, ptr %v3, align 64, !tbaa !951 %v7 = tail call <32 x i32> @llvm.hexagon.V6.vrmpyubv.acc.128B(<32 x i32> %v5, <32 x i32> %v6, <32 x i32> %v0)52 store <32 x i32> %v7, ptr %v2, align 64, !tbaa !753 %v8 = getelementptr i8, ptr %v3, i32 12854 %v9 = getelementptr i8, ptr %v2, i32 12855 tail call void @llvm.memset.p0.i32(ptr noundef nonnull align 4 dereferenceable(128) %v9, i8 0, i32 128, i1 false), !tbaa !756 %v10 = load <32 x i32>, ptr %v9, align 64, !tbaa !757 %v11 = load <32 x i32>, ptr %v8, align 64, !tbaa !958 %v12 = tail call <32 x i32> @llvm.hexagon.V6.vrmpyubv.acc.128B(<32 x i32> %v10, <32 x i32> %v11, <32 x i32> %v0)59 store <32 x i32> %v12, ptr %v9, align 64, !tbaa !760 %v13 = add nsw i32 %v1, -1661 %v14 = icmp eq i32 %v13, 062 br i1 %v14, label %b2, label %b1, !prof !1163 64b2: ; preds = %b165 ret i32 066}67 68declare <32 x i32> @llvm.hexagon.V6.vrmpyubv.acc.128B(<32 x i32>, <32 x i32>, <32 x i32>) #169declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1 immarg) #270 71attributes #0 = { noinline "target-cpu"="hexagonv68" "target-features"="+hvxv68,+hvx-length128b" }72attributes #1 = { nocallback nofree nosync nounwind willreturn memory(none) }73attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }74 75!0 = !{!1, !1, i64 0}76!1 = !{!"0x3a8ee80.w128.b0", !2, i64 0}77!2 = !{!"0x3a8ee80.w256.b0", !3, i64 0}78!3 = !{!"0x3a8ee80.w512.b0", !4, i64 0}79!4 = !{!"0x3a8ee80.w1024.b0", !5, i64 0}80!5 = !{!"0x3a8ee80", !6, i64 0}81!6 = !{!"tvm-tbaa"}82!7 = !{!8, !8, i64 0}83!8 = !{!"0x3a0d520", !6, i64 0}84!9 = !{!10, !10, i64 0}85!10 = !{!"0x1d56420", !6, i64 0}86!11 = !{!"branch_weights", i32 1, i32 65535}87