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12 files changed

+51
-56
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llvm/test/Analysis/ScalarEvolution/trip-count-implied-addrec.ll

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -452,7 +452,7 @@ define void @ult_guarded_rhs(i16 %n) {;
452452
; CHECK-LABEL: 'ult_guarded_rhs'
453453
; CHECK-NEXT: Determining loop execution counts for: @ult_guarded_rhs
454454
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + (1 umax %n))
455-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i16 -2
455+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i16 254
456456
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + (1 umax %n))
457457
; CHECK-NEXT: Loop %for.body: Trip multiple is 1
458458
;

llvm/test/Analysis/ScalarEvolution/trip-count-scalable-stride.ll

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -52,7 +52,7 @@ define void @vscale_ult(ptr nocapture %A, i32 %n) mustprogress vscale_range(2,10
5252
; CHECK-NEXT: --> {vscale,+,vscale}<nuw><nsw><%for.body> U: [2,-2147483648) S: [2,-2147483648) Exits: (vscale * (1 + ((-1 + %n) /u vscale))<nuw>) LoopDispositions: { %for.body: Computable }
5353
; CHECK-NEXT: Determining loop execution counts for: @vscale_ult
5454
; CHECK-NEXT: Loop %for.body: backedge-taken count is ((-1 + %n) /u vscale)
55-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483646
55+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 1073741823
5656
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is ((-1 + %n) /u vscale)
5757
; CHECK-NEXT: Loop %for.body: Trip multiple is 1
5858
;
@@ -88,7 +88,7 @@ define void @vscale_ule(ptr nocapture %A, i32 %n) mustprogress vscale_range(2,10
8888
; CHECK-NEXT: --> {vscale,+,vscale}<nuw><nsw><%for.body> U: [2,-2147483648) S: [2,-2147483648) Exits: (vscale * (1 + (((-1 + vscale)<nsw> umax %n) /u vscale))<nuw>) LoopDispositions: { %for.body: Computable }
8989
; CHECK-NEXT: Determining loop execution counts for: @vscale_ule
9090
; CHECK-NEXT: Loop %for.body: backedge-taken count is (((-1 + vscale)<nsw> umax %n) /u vscale)
91-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483647
91+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 1073741823
9292
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (((-1 + vscale)<nsw> umax %n) /u vscale)
9393
; CHECK-NEXT: Loop %for.body: Trip multiple is 1
9494
;
@@ -202,7 +202,7 @@ define void @vscalex4_ult(ptr nocapture %A, i32 %n) mustprogress vscale_range(2,
202202
; CHECK-NEXT: --> {(4 * vscale)<nuw><nsw>,+,(4 * vscale)<nuw><nsw>}<nuw><nsw><%for.body> U: [8,-2147483648) S: [8,2147483645) Exits: (vscale * (4 + (4 * ((-1 + %n) /u (4 * vscale)<nuw><nsw>))<nuw><nsw>)<nuw>) LoopDispositions: { %for.body: Computable }
203203
; CHECK-NEXT: Determining loop execution counts for: @vscalex4_ult
204204
; CHECK-NEXT: Loop %for.body: backedge-taken count is ((-1 + %n) /u (4 * vscale)<nuw><nsw>)
205-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 536870910
205+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 268435455
206206
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is ((-1 + %n) /u (4 * vscale)<nuw><nsw>)
207207
; CHECK-NEXT: Loop %for.body: Trip multiple is 1
208208
;
@@ -418,7 +418,7 @@ define void @vscalex4_ult_noflags(ptr nocapture %A, i32 %n) mustprogress vscale_
418418
; CHECK-NEXT: --> {(4 * vscale)<nuw><nsw>,+,(4 * vscale)<nuw><nsw>}<nuw><%for.body> U: [8,-3) S: [-2147483648,2147483645) Exits: (vscale * (4 + (4 * ((-1 + %n) /u (4 * vscale)<nuw><nsw>))<nuw><nsw>)<nuw>) LoopDispositions: { %for.body: Computable }
419419
; CHECK-NEXT: Determining loop execution counts for: @vscalex4_ult_noflags
420420
; CHECK-NEXT: Loop %for.body: backedge-taken count is ((-1 + %n) /u (4 * vscale)<nuw><nsw>)
421-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 536870910
421+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 268435455
422422
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is ((-1 + %n) /u (4 * vscale)<nuw><nsw>)
423423
; CHECK-NEXT: Loop %for.body: Trip multiple is 1
424424
;

llvm/test/Analysis/ScalarEvolution/trip-multiple-guard-info.ll

Lines changed: 28 additions & 28 deletions
Original file line numberDiff line numberDiff line change
@@ -14,7 +14,7 @@ define void @test_trip_multiple_4(i32 %num) {
1414
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
1515
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4
1616
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
17-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
17+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -5
1818
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
1919
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
2020
;
@@ -47,7 +47,7 @@ define void @test_trip_multiple_4_guard(i32 %num) {
4747
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
4848
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_guard
4949
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
50-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
50+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -5
5151
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
5252
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
5353
;
@@ -81,7 +81,7 @@ define void @test_trip_multiple_4_ugt_5(i32 %num) {
8181
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
8282
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_ugt_5
8383
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
84-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
84+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -5
8585
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
8686
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
8787
;
@@ -115,7 +115,7 @@ define void @test_trip_multiple_4_ugt_5_order_swapped(i32 %num) {
115115
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
116116
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_ugt_5_order_swapped
117117
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
118-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
118+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -5
119119
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
120120
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
121121
;
@@ -143,12 +143,12 @@ define void @test_trip_multiple_4_sgt_5(i32 %num) {
143143
; CHECK-NEXT: %u = urem i32 %num, 4
144144
; CHECK-NEXT: --> (zext i2 (trunc i32 %num to i2) to i32) U: [0,4) S: [0,4)
145145
; CHECK-NEXT: %i.010 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
146-
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483647) S: [0,2147483647) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
146+
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483644) S: [0,2147483644) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
147147
; CHECK-NEXT: %inc = add nuw nsw i32 %i.010, 1
148-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
148+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,2147483645) S: [1,2147483645) Exits: %num LoopDispositions: { %for.body: Computable }
149149
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_sgt_5
150150
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
151-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483646
151+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483643
152152
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
153153
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
154154
;
@@ -177,12 +177,12 @@ define void @test_trip_multiple_4_sgt_5_order_swapped(i32 %num) {
177177
; CHECK-NEXT: %u = urem i32 %num, 4
178178
; CHECK-NEXT: --> (zext i2 (trunc i32 %num to i2) to i32) U: [0,4) S: [0,4)
179179
; CHECK-NEXT: %i.010 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
180-
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483647) S: [0,2147483647) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
180+
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483644) S: [0,2147483644) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
181181
; CHECK-NEXT: %inc = add nuw nsw i32 %i.010, 1
182-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
182+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,2147483645) S: [1,2147483645) Exits: %num LoopDispositions: { %for.body: Computable }
183183
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_sgt_5_order_swapped
184184
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
185-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483646
185+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483643
186186
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
187187
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
188188
;
@@ -215,7 +215,7 @@ define void @test_trip_multiple_4_uge_5(i32 %num) {
215215
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
216216
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_uge_5
217217
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
218-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
218+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -5
219219
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
220220
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
221221
;
@@ -249,7 +249,7 @@ define void @test_trip_multiple_4_uge_5_order_swapped(i32 %num) {
249249
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
250250
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_uge_5_order_swapped
251251
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
252-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
252+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -5
253253
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
254254
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
255255
;
@@ -278,12 +278,12 @@ define void @test_trip_multiple_4_sge_5(i32 %num) {
278278
; CHECK-NEXT: %u = urem i32 %num, 4
279279
; CHECK-NEXT: --> (zext i2 (trunc i32 %num to i2) to i32) U: [0,4) S: [0,4)
280280
; CHECK-NEXT: %i.010 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
281-
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483647) S: [0,2147483647) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
281+
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483644) S: [0,2147483644) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
282282
; CHECK-NEXT: %inc = add nuw nsw i32 %i.010, 1
283-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
283+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,2147483645) S: [1,2147483645) Exits: %num LoopDispositions: { %for.body: Computable }
284284
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_sge_5
285285
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
286-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483646
286+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483643
287287
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
288288
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
289289
;
@@ -311,12 +311,12 @@ define void @test_trip_multiple_4_sge_5_order_swapped(i32 %num) {
311311
; CHECK-NEXT: %u = urem i32 %num, 4
312312
; CHECK-NEXT: --> (zext i2 (trunc i32 %num to i2) to i32) U: [0,4) S: [0,4)
313313
; CHECK-NEXT: %i.010 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
314-
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483647) S: [0,2147483647) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
314+
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,2147483644) S: [0,2147483644) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
315315
; CHECK-NEXT: %inc = add nuw nsw i32 %i.010, 1
316-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
316+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,2147483645) S: [1,2147483645) Exits: %num LoopDispositions: { %for.body: Computable }
317317
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_sge_5_order_swapped
318318
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
319-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483646
319+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483643
320320
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
321321
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
322322
;
@@ -350,7 +350,7 @@ define void @test_trip_multiple_4_icmp_ops_swapped(i32 %num) {
350350
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
351351
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_icmp_ops_swapped
352352
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
353-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
353+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -5
354354
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
355355
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
356356
;
@@ -378,12 +378,12 @@ define void @test_trip_multiple_4_upper_lower_bounds(i32 %num) {
378378
; CHECK-NEXT: %u = urem i32 %num, 4
379379
; CHECK-NEXT: --> (zext i2 (trunc i32 %num to i2) to i32) U: [0,4) S: [0,4)
380380
; CHECK-NEXT: %i.010 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
381-
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,-2147483648) S: [0,-2147483648) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
381+
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,58996) S: [0,58996) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
382382
; CHECK-NEXT: %inc = add nuw nsw i32 %i.010, 1
383-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
383+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,58997) S: [1,58997) Exits: %num LoopDispositions: { %for.body: Computable }
384384
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_upper_lower_bounds
385385
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
386-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
386+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 58995
387387
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
388388
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
389389
;
@@ -413,12 +413,12 @@ define void @test_trip_multiple_4_upper_lower_bounds_swapped1(i32 %num) {
413413
; CHECK-NEXT: %u = urem i32 %num, 4
414414
; CHECK-NEXT: --> (zext i2 (trunc i32 %num to i2) to i32) U: [0,4) S: [0,4)
415415
; CHECK-NEXT: %i.010 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
416-
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,-2147483648) S: [0,-2147483648) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
416+
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,58996) S: [0,58996) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
417417
; CHECK-NEXT: %inc = add nuw nsw i32 %i.010, 1
418-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
418+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,58997) S: [1,58997) Exits: %num LoopDispositions: { %for.body: Computable }
419419
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_upper_lower_bounds_swapped1
420420
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
421-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
421+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 58995
422422
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
423423
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
424424
;
@@ -448,12 +448,12 @@ define void @test_trip_multiple_4_upper_lower_bounds_swapped2(i32 %num) {
448448
; CHECK-NEXT: %u = urem i32 %num, 4
449449
; CHECK-NEXT: --> (zext i2 (trunc i32 %num to i2) to i32) U: [0,4) S: [0,4)
450450
; CHECK-NEXT: %i.010 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
451-
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,-2147483648) S: [0,-2147483648) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
451+
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%for.body> U: [0,58996) S: [0,58996) Exits: (-1 + %num) LoopDispositions: { %for.body: Computable }
452452
; CHECK-NEXT: %inc = add nuw nsw i32 %i.010, 1
453-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,-2147483648) S: [1,-2147483648) Exits: %num LoopDispositions: { %for.body: Computable }
453+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%for.body> U: [1,58997) S: [1,58997) Exits: %num LoopDispositions: { %for.body: Computable }
454454
; CHECK-NEXT: Determining loop execution counts for: @test_trip_multiple_4_upper_lower_bounds_swapped2
455455
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + %num)
456-
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 -2
456+
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 58995
457457
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + %num)
458458
; CHECK-NEXT: Loop %for.body: Trip multiple is 4
459459
;

llvm/test/Analysis/ScalarEvolution/trivial-phis.ll

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -24,7 +24,7 @@ do.end: ; preds = %do.body
2424

2525
; CHECK-LABEL: @test2
2626
; CHECK: %tmp24 = phi i64 [ %tmp14, %bb22 ], [ %tmp14, %bb13 ]
27-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775807) S: [1,9223372036854775807) Exits: (-2 + %arg)
27+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775806) S: [1,9223372036854775806) Exits: (-2 + %arg)
2828

2929
define void @test2(i64 %arg, ptr noalias %arg1) {
3030
bb:
@@ -117,21 +117,21 @@ bb48: ; preds = %bb47, %bb
117117
; CHECK-LABEL: @test3
118118

119119
; CHECK: %tmp14 = phi i64 [ %tmp40, %bb39 ], [ 1, %bb8 ]
120-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775807) S: [1,9223372036854775807)
120+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775806) S: [1,9223372036854775806)
121121
; CHECK-SAME: Exits: (-2 + %arg) LoopDispositions: { %bb13: Computable, %bb8: Variant, %bb17_a: Invariant, %bb27: Invariant }
122122
; CHECK: %tmp18 = phi i64 [ %tmp20, %bb17 ], [ 0, %bb13 ]
123123
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%bb17_a> U: [0,9223372036854775807) S: [0,9223372036854775807)
124124
; CHECK-SAME: Exits: (-1 + %arg) LoopDispositions: { %bb17_a: Computable, %bb13: Variant, %bb8: Variant }
125125

126126
; CHECK: %tmp24 = phi i64 [ %tmp14, %bb13 ], [ %tmp14, %bb17 ]
127-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775807) S: [1,9223372036854775807)
127+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775806) S: [1,9223372036854775806)
128128
; CHECK-SAME: Exits: (-2 + %arg) LoopDispositions: { %bb13: Computable, %bb8: Variant, %bb17_a: Invariant, %bb27: Invariant }
129129
; CHECK: %tmp28 = phi i64 [ %tmp34, %bb27 ], [ 0, %bb23 ]
130130
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%bb27> U: [0,9223372036854775807) S: [0,9223372036854775807)
131131
; CHECK-SAME: Exits: (-1 + %arg) LoopDispositions: { %bb27: Computable, %bb13: Variant, %bb8: Variant }
132132

133133
; CHECK: %tmp38 = phi i64 [ %tmp24, %bb23 ], [ %tmp24, %bb27 ]
134-
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775807) S: [1,9223372036854775807)
134+
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb13> U: [1,9223372036854775806) S: [1,9223372036854775806)
135135
; CHECK-SAME: Exits: (-2 + %arg) LoopDispositions: { %bb13: Computable, %bb8: Variant, %bb17_a: Invariant, %bb27: Invariant }
136136

137137
define void @test3(i64 %arg, ptr %arg1) {

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