| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: opt -aa-pipeline=basic-aa -passes=loop-distribute -enable-loop-distribute -verify-loop-info -verify-dom-info -S %s | FileCheck %s |
| |
| ; Test emit safety guards for ptr access of %a and %c on a cross parition load which |
| ; has a corresponding store to the same address. This ensures that if %a and %c |
| ; overlap in some scenarios, that we execute the original loop for safety reasons. |
| |
| define dso_local void @_Z13distribution3PiS_S_S_i(ptr nocapture noundef %a, ptr nocapture noundef readonly %b, ptr nocapture noundef %c, ptr nocapture noundef writeonly %d, i64 noundef signext %len) { |
| ; CHECK-LABEL: define dso_local void @_Z13distribution3PiS_S_S_i( |
| ; CHECK-SAME: ptr noundef captures(none) [[A:%.*]], ptr noundef readonly captures(none) [[B:%.*]], ptr noundef captures(none) [[C:%.*]], ptr noundef writeonly captures(none) [[D:%.*]], i64 noundef signext [[LEN:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i64 [[LEN]], 0 |
| ; CHECK-NEXT: br i1 [[CMP]], label %[[END:.*]], label %[[FOR_BODY_LVER_CHECK:.*]] |
| ; CHECK: [[FOR_BODY_LVER_CHECK]]: |
| ; CHECK-NEXT: [[TMP0:%.*]] = shl i64 [[LEN]], 2 |
| ; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]] |
| ; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[C]], i64 -4 |
| ; CHECK-NEXT: [[SCEVGEP5:%.*]] = getelementptr i8, ptr [[C]], i64 [[TMP0]] |
| ; CHECK-NEXT: [[SCEVGEP3:%.*]] = getelementptr i8, ptr [[D]], i64 [[TMP0]] |
| ; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP0]] |
| ; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP5]] |
| ; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[SCEVGEP]], [[SCEVGEP2]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND1]], [[BOUND0]] |
| ; CHECK-NEXT: [[BOUND07:%.*]] = icmp ult ptr [[A]], [[SCEVGEP3]] |
| ; CHECK-NEXT: [[BOUND18:%.*]] = icmp ult ptr [[D]], [[SCEVGEP2]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT9:%.*]] = and i1 [[BOUND07]], [[BOUND18]] |
| ; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT9]] |
| ; CHECK-NEXT: [[BOUND010:%.*]] = icmp ult ptr [[A]], [[SCEVGEP4]] |
| ; CHECK-NEXT: [[BOUND111:%.*]] = icmp ult ptr [[B]], [[SCEVGEP2]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT12:%.*]] = and i1 [[BOUND010]], [[BOUND111]] |
| ; CHECK-NEXT: [[CONFLICT_RDX13:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT12]] |
| ; CHECK-NEXT: [[BOUND014:%.*]] = icmp ult ptr [[SCEVGEP]], [[SCEVGEP3]] |
| ; CHECK-NEXT: [[BOUND115:%.*]] = icmp ult ptr [[D]], [[SCEVGEP5]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT16:%.*]] = and i1 [[BOUND014]], [[BOUND115]] |
| ; CHECK-NEXT: [[CONFLICT_RDX17:%.*]] = or i1 [[CONFLICT_RDX13]], [[FOUND_CONFLICT16]] |
| ; CHECK-NEXT: [[BOUND018:%.*]] = icmp ult ptr [[D]], [[SCEVGEP4]] |
| ; CHECK-NEXT: [[BOUND119:%.*]] = icmp ult ptr [[B]], [[SCEVGEP3]] |
| ; CHECK-NEXT: [[FOUND_CONFLICT20:%.*]] = and i1 [[BOUND018]], [[BOUND119]] |
| ; CHECK-NEXT: [[CONFLICT_RDX21:%.*]] = or i1 [[CONFLICT_RDX17]], [[FOUND_CONFLICT20]] |
| ; CHECK-NEXT: br i1 [[CONFLICT_RDX21]], label %[[FOR_BODY_PH_LVER_ORIG:.*]], label %[[FOR_BODY_PH_LDIST1:.*]] |
| ; CHECK: [[FOR_BODY_PH_LVER_ORIG]]: |
| ; CHECK-NEXT: br label %[[FOR_BODY_LVER_ORIG:.*]] |
| ; CHECK: [[FOR_BODY_LVER_ORIG]]: |
| ; CHECK-NEXT: [[IDXPROM_LVER_ORIG:%.*]] = phi i64 [ 0, %[[FOR_BODY_PH_LVER_ORIG]] ], [ [[I6_LVER_ORIG:%.*]], %[[FOR_BODY_LVER_ORIG]] ] |
| ; CHECK-NEXT: [[ARRAYIDX_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IDXPROM_LVER_ORIG]] |
| ; CHECK-NEXT: [[I2_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDX_LVER_ORIG]], align 4, !tbaa [[TBAA0:![0-9]+]] |
| ; CHECK-NEXT: [[ADD4_LVER_ORIG:%.*]] = add nsw i32 [[I2_LVER_ORIG]], 1 |
| ; CHECK-NEXT: [[ARRAYIDX8_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IDXPROM_LVER_ORIG]] |
| ; CHECK-NEXT: store i32 [[ADD4_LVER_ORIG]], ptr [[ARRAYIDX8_LVER_ORIG]], align 4, !tbaa [[TBAA0]] |
| ; CHECK-NEXT: [[I3_LVER_ORIG:%.*]] = getelementptr i32, ptr [[C]], i64 [[IDXPROM_LVER_ORIG]] |
| ; CHECK-NEXT: [[ARRAYIDX17_LVER_ORIG:%.*]] = getelementptr i8, ptr [[I3_LVER_ORIG]], i64 -4 |
| ; CHECK-NEXT: [[I4_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDX17_LVER_ORIG]], align 4, !tbaa [[TBAA0]] |
| ; CHECK-NEXT: [[SUB18_LVER_ORIG:%.*]] = sub nsw i32 [[ADD4_LVER_ORIG]], [[I4_LVER_ORIG]] |
| ; CHECK-NEXT: store i32 [[SUB18_LVER_ORIG]], ptr [[I3_LVER_ORIG]], align 4, !tbaa [[TBAA0]] |
| ; CHECK-NEXT: [[I5_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDX8_LVER_ORIG]], align 4, !tbaa [[TBAA0]] |
| ; CHECK-NEXT: [[ADD27_LVER_ORIG:%.*]] = add nsw i32 [[I5_LVER_ORIG]], 2 |
| ; CHECK-NEXT: [[ARRAYIDX31_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[D]], i64 [[IDXPROM_LVER_ORIG]] |
| ; CHECK-NEXT: store i32 [[ADD27_LVER_ORIG]], ptr [[ARRAYIDX31_LVER_ORIG]], align 4, !tbaa [[TBAA0]] |
| ; CHECK-NEXT: [[I6_LVER_ORIG]] = add i64 [[IDXPROM_LVER_ORIG]], 1 |
| ; CHECK-NEXT: [[CMP1_NOT_LVER_ORIG:%.*]] = icmp eq i64 [[I6_LVER_ORIG]], [[LEN]] |
| ; CHECK-NEXT: br i1 [[CMP1_NOT_LVER_ORIG]], label %[[END_LOOPEXIT_LOOPEXIT:.*]], label %[[FOR_BODY_LVER_ORIG]], !llvm.loop [[LOOP4:![0-9]+]] |
| ; CHECK: [[FOR_BODY_PH_LDIST1]]: |
| ; CHECK-NEXT: br label %[[FOR_BODY_LDIST1:.*]] |
| ; CHECK: [[FOR_BODY_LDIST1]]: |
| ; CHECK-NEXT: [[IDXPROM_LDIST1:%.*]] = phi i64 [ 0, %[[FOR_BODY_PH_LDIST1]] ], [ [[I6_LDIST1:%.*]], %[[FOR_BODY_LDIST1]] ] |
| ; CHECK-NEXT: [[ARRAYIDX_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IDXPROM_LDIST1]] |
| ; CHECK-NEXT: [[I2_LDIST1:%.*]] = load i32, ptr [[ARRAYIDX_LDIST1]], align 4, !tbaa [[TBAA0]], !alias.scope [[META7:![0-9]+]] |
| ; CHECK-NEXT: [[ADD4_LDIST1:%.*]] = add nsw i32 [[I2_LDIST1]], 1 |
| ; CHECK-NEXT: [[ARRAYIDX8_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IDXPROM_LDIST1]] |
| ; CHECK-NEXT: store i32 [[ADD4_LDIST1]], ptr [[ARRAYIDX8_LDIST1]], align 4, !tbaa [[TBAA0]], !alias.scope [[META10:![0-9]+]], !noalias [[META12:![0-9]+]] |
| ; CHECK-NEXT: [[I3_LDIST1:%.*]] = getelementptr i32, ptr [[C]], i64 [[IDXPROM_LDIST1]] |
| ; CHECK-NEXT: [[ARRAYIDX17_LDIST1:%.*]] = getelementptr i8, ptr [[I3_LDIST1]], i64 -4 |
| ; CHECK-NEXT: [[I4_LDIST1:%.*]] = load i32, ptr [[ARRAYIDX17_LDIST1]], align 4, !tbaa [[TBAA0]], !alias.scope [[META15:![0-9]+]], !noalias [[META16:![0-9]+]] |
| ; CHECK-NEXT: [[SUB18_LDIST1:%.*]] = sub nsw i32 [[ADD4_LDIST1]], [[I4_LDIST1]] |
| ; CHECK-NEXT: store i32 [[SUB18_LDIST1]], ptr [[I3_LDIST1]], align 4, !tbaa [[TBAA0]], !alias.scope [[META15]], !noalias [[META16]] |
| ; CHECK-NEXT: [[I6_LDIST1]] = add i64 [[IDXPROM_LDIST1]], 1 |
| ; CHECK-NEXT: [[CMP1_NOT_LDIST1:%.*]] = icmp eq i64 [[I6_LDIST1]], [[LEN]] |
| ; CHECK-NEXT: br i1 [[CMP1_NOT_LDIST1]], label %[[FOR_BODY_PH:.*]], label %[[FOR_BODY_LDIST1]], !llvm.loop [[LOOP17:![0-9]+]] |
| ; CHECK: [[FOR_BODY_PH]]: |
| ; CHECK-NEXT: br label %[[FOR_BODY:.*]] |
| ; CHECK: [[FOR_BODY]]: |
| ; CHECK-NEXT: [[IDXPROM:%.*]] = phi i64 [ 0, %[[FOR_BODY_PH]] ], [ [[I6:%.*]], %[[FOR_BODY]] ] |
| ; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IDXPROM]] |
| ; CHECK-NEXT: [[I5:%.*]] = load i32, ptr [[ARRAYIDX8]], align 4, !tbaa [[TBAA0]], !alias.scope [[META10]], !noalias [[META12]] |
| ; CHECK-NEXT: [[ADD27:%.*]] = add nsw i32 [[I5]], 2 |
| ; CHECK-NEXT: [[ARRAYIDX31:%.*]] = getelementptr inbounds i32, ptr [[D]], i64 [[IDXPROM]] |
| ; CHECK-NEXT: store i32 [[ADD27]], ptr [[ARRAYIDX31]], align 4, !tbaa [[TBAA0]], !alias.scope [[META16]], !noalias [[META7]] |
| ; CHECK-NEXT: [[I6]] = add i64 [[IDXPROM]], 1 |
| ; CHECK-NEXT: [[CMP1_NOT:%.*]] = icmp eq i64 [[I6]], [[LEN]] |
| ; CHECK-NEXT: br i1 [[CMP1_NOT]], label %[[END_LOOPEXIT_LOOPEXIT20:.*]], label %[[FOR_BODY]], !llvm.loop [[LOOP17]] |
| ; CHECK: [[END_LOOPEXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: br label %[[END_LOOPEXIT:.*]] |
| ; CHECK: [[END_LOOPEXIT_LOOPEXIT20]]: |
| ; CHECK-NEXT: br label %[[END_LOOPEXIT]] |
| ; CHECK: [[END_LOOPEXIT]]: |
| ; CHECK-NEXT: br label %[[END]] |
| ; CHECK: [[END]]: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %cmp = icmp sgt i64 %len, 0 |
| br i1 %cmp, label %end, label %for.body.preheader |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %for.body.preheader |
| %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, ptr %b, i64 %indvars.iv |
| %i2 = load i32, ptr %arrayidx, align 4, !tbaa !0 |
| %add4 = add nsw i32 %i2, 1 |
| %arrayidx8 = getelementptr inbounds i32, ptr %a, i64 %indvars.iv |
| store i32 %add4, ptr %arrayidx8, align 4, !tbaa !0 |
| %i3 = getelementptr i32, ptr %c, i64 %indvars.iv |
| %arrayidx17 = getelementptr i8, ptr %i3, i64 -4 |
| %i4 = load i32, ptr %arrayidx17, align 4, !tbaa !0 |
| %sub18 = sub nsw i32 %add4, %i4 |
| store i32 %sub18, ptr %i3, align 4, !tbaa !0 |
| %i5 = load i32, ptr %arrayidx8, align 4, !tbaa !0 |
| %add27 = add nsw i32 %i5, 2 |
| %arrayidx31 = getelementptr inbounds i32, ptr %d, i64 %indvars.iv |
| store i32 %add27, ptr %arrayidx31, align 4, !tbaa !0 |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| %cmp1.not = icmp eq i64 %indvars.iv.next, %len |
| br i1 %cmp1.not, label %end.loopexit, label %for.body, !llvm.loop !4 |
| |
| end.loopexit: ; preds = %for.body |
| br label %end |
| |
| end: ; preds = %end.loopexit, %entry |
| ret void |
| } |
| |
| !0 = !{!1, !1, i64 0} |
| !1 = !{!"int", !2, i64 0} |
| !2 = !{!"omnipotent char", !3, i64 0} |
| !3 = !{!"Simple C++ TBAA"} |
| !4 = distinct !{!4, !5} |
| !5 = !{!"llvm.loop.mustprogress"} |
| |
| ;. |
| ; CHECK: [[TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0} |
| ; CHECK: [[META1]] = !{!"int", [[META2:![0-9]+]], i64 0} |
| ; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0} |
| ; CHECK: [[META3]] = !{!"Simple C++ TBAA"} |
| ; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META5:![0-9]+]], [[META6:![0-9]+]]} |
| ; CHECK: [[META5]] = !{!"llvm.loop.mustprogress"} |
| ; CHECK: [[META6]] = !{!"llvm.loop.isdistributed", i32 1} |
| ; CHECK: [[META7]] = !{[[META8:![0-9]+]]} |
| ; CHECK: [[META8]] = distinct !{[[META8]], [[META9:![0-9]+]]} |
| ; CHECK: [[META9]] = distinct !{[[META9]], !"LVerDomain"} |
| ; CHECK: [[META10]] = !{[[META11:![0-9]+]]} |
| ; CHECK: [[META11]] = distinct !{[[META11]], [[META9]]} |
| ; CHECK: [[META12]] = !{[[META13:![0-9]+]], [[META14:![0-9]+]], [[META8]]} |
| ; CHECK: [[META13]] = distinct !{[[META13]], [[META9]]} |
| ; CHECK: [[META14]] = distinct !{[[META14]], [[META9]]} |
| ; CHECK: [[META15]] = !{[[META13]]} |
| ; CHECK: [[META16]] = !{[[META14]]} |
| ; CHECK: [[LOOP17]] = distinct !{[[LOOP17]], [[META5]]} |
| ;. |
