@@ -35,7 +35,7 @@ define i8 @select_icmp_var_start(ptr %a, i8 %n, i8 %start) {
3535; CHECK-NEXT: [[TMP10]] = select <16 x i1> [[TMP17]], <16 x i8> [[VEC_IND]], <16 x i8> [[VEC_PHI]]
3636; CHECK-NEXT: [[TMP11]] = select <16 x i1> [[TMP23]], <16 x i8> [[STEP_ADD]], <16 x i8> [[VEC_PHI2]]
3737; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 32
38- ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <16 x i8> [[STEP_ADD]], splat (i8 16)
38+ ; CHECK-NEXT: [[VEC_IND_NEXT]] = add nuw nsw <16 x i8> [[STEP_ADD]], splat (i8 16)
3939; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
4040; CHECK-NEXT: br i1 [[TMP12]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
4141; CHECK: [[MIDDLE_BLOCK]]:
@@ -48,7 +48,7 @@ define i8 @select_icmp_var_start(ptr %a, i8 %n, i8 %start) {
4848; CHECK: [[VEC_EPILOG_ITER_CHECK]]:
4949; CHECK-NEXT: [[IND_END:%.*]] = trunc i32 [[N_VEC]] to i8
5050; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i32 [[N_MOD_VF]], 8
51- ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]]
51+ ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF3:![0-9]+]]
5252; CHECK: [[VEC_EPILOG_PH]]:
5353; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
5454; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[TMP3]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
@@ -62,21 +62,21 @@ define i8 @select_icmp_var_start(ptr %a, i8 %n, i8 %start) {
6262; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <8 x i8> [[DOTSPLATINSERT]], <8 x i8> poison, <8 x i32> zeroinitializer
6363; CHECK-NEXT: [[DOTSPLATINSERT10:%.*]] = insertelement <8 x i8> poison, i8 [[BC_RESUME_VAL]], i64 0
6464; CHECK-NEXT: [[DOTSPLAT11:%.*]] = shufflevector <8 x i8> [[DOTSPLATINSERT10]], <8 x i8> poison, <8 x i32> zeroinitializer
65- ; CHECK-NEXT: [[INDUCTION:%.*]] = add <8 x i8> [[DOTSPLAT11]], <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>
65+ ; CHECK-NEXT: [[INDUCTION:%.*]] = add nuw nsw <8 x i8> [[DOTSPLAT11]], <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>
6666; CHECK-NEXT: br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
6767; CHECK: [[VEC_EPILOG_VECTOR_BODY]]:
6868; CHECK-NEXT: [[INDEX6:%.*]] = phi i32 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT13:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
69- ; CHECK-NEXT: [[VEC_IND7:%.*]] = phi <8 x i8> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT8 :%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
69+ ; CHECK-NEXT: [[VEC_IND7:%.*]] = phi <8 x i8> [ [[INDUCTION]], %[[VEC_EPILOG_PH]] ], [ [[VEC_IND_NEXT13 :%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
7070; CHECK-NEXT: [[VEC_PHI9:%.*]] = phi <8 x i8> [ [[DOTSPLAT]], %[[VEC_EPILOG_PH]] ], [ [[TMP20:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
7171; CHECK-NEXT: [[IV:%.*]] = trunc i32 [[INDEX6]] to i8
7272; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr [[A]], i8 [[IV]]
7373; CHECK-NEXT: [[WIDE_LOAD12:%.*]] = load <8 x i8>, ptr [[GEP]], align 8
7474; CHECK-NEXT: [[TMP19:%.*]] = icmp eq <8 x i8> [[WIDE_LOAD12]], splat (i8 3)
7575; CHECK-NEXT: [[TMP20]] = select <8 x i1> [[TMP19]], <8 x i8> [[VEC_IND7]], <8 x i8> [[VEC_PHI9]]
7676; CHECK-NEXT: [[INDEX_NEXT13]] = add nuw i32 [[INDEX6]], 8
77- ; CHECK-NEXT: [[VEC_IND_NEXT8 ]] = add <8 x i8> [[VEC_IND7]], splat (i8 8)
77+ ; CHECK-NEXT: [[VEC_IND_NEXT13 ]] = add nuw nsw <8 x i8> [[VEC_IND7]], splat (i8 8)
7878; CHECK-NEXT: [[TMP21:%.*]] = icmp eq i32 [[INDEX_NEXT13]], [[N_VEC5]]
79- ; CHECK-NEXT: br i1 [[TMP21]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP3 :![0-9]+]]
79+ ; CHECK-NEXT: br i1 [[TMP21]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP4 :![0-9]+]]
8080; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:
8181; CHECK-NEXT: [[TMP22:%.*]] = call i8 @llvm.vector.reduce.smax.v8i8(<8 x i8> [[TMP20]])
8282; CHECK-NEXT: [[RDX_SELECT_CMP14:%.*]] = icmp ne i8 [[TMP22]], -128
@@ -96,7 +96,7 @@ define i8 @select_icmp_var_start(ptr %a, i8 %n, i8 %start) {
9696; CHECK-NEXT: [[SEL]] = select i1 [[C]], i8 [[IV1]], i8 [[RDX]]
9797; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i8 [[IV1]], 1
9898; CHECK-NEXT: [[EC:%.*]] = icmp eq i8 [[IV_NEXT]], [[N]]
99- ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP4 :![0-9]+]]
99+ ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP5 :![0-9]+]]
100100; CHECK: [[EXIT]]:
101101; CHECK-NEXT: [[SEL_LCSSA:%.*]] = phi i8 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[RDX_SELECT15]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ]
102102; CHECK-NEXT: ret i8 [[SEL_LCSSA]]
@@ -157,7 +157,7 @@ define i32 @select_icmp_var_start_iv_trunc(i32 %N, i32 %start) #0 {
157157; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
158158; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[STEP_ADD_3]], splat (i32 4)
159159; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
160- ; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP5 :![0-9]+]]
160+ ; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6 :![0-9]+]]
161161; CHECK: [[MIDDLE_BLOCK]]:
162162; CHECK-NEXT: [[RDX_MINMAX:%.*]] = call <4 x i32> @llvm.smax.v4i32(<4 x i32> [[TMP3]], <4 x i32> [[TMP4]])
163163; CHECK-NEXT: [[RDX_MINMAX5:%.*]] = call <4 x i32> @llvm.smax.v4i32(<4 x i32> [[RDX_MINMAX]], <4 x i32> [[TMP5]])
@@ -169,7 +169,7 @@ define i32 @select_icmp_var_start_iv_trunc(i32 %N, i32 %start) #0 {
169169; CHECK-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
170170; CHECK: [[VEC_EPILOG_ITER_CHECK]]:
171171; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], 4
172- ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]]
172+ ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF7:![0-9]+]]
173173; CHECK: [[VEC_EPILOG_PH]]:
174174; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
175175; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[VEC_EPILOG_ITER_CHECK]] ], [ [[FR]], %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
@@ -195,7 +195,7 @@ define i32 @select_icmp_var_start_iv_trunc(i32 %N, i32 %start) #0 {
195195; CHECK-NEXT: [[INDEX_NEXT17]] = add nuw i64 [[INDEX11]], 4
196196; CHECK-NEXT: [[VEC_IND_NEXT16]] = add <4 x i32> [[VEC_IND15]], splat (i32 4)
197197; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT17]], [[N_VEC8]]
198- ; CHECK-NEXT: br i1 [[TMP15]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP6 :![0-9]+]]
198+ ; CHECK-NEXT: br i1 [[TMP15]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP8 :![0-9]+]]
199199; CHECK: [[VEC_EPILOG_MIDDLE_BLOCK]]:
200200; CHECK-NEXT: [[TMP16:%.*]] = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> [[TMP14]])
201201; CHECK-NEXT: [[RDX_SELECT_CMP18:%.*]] = icmp ne i32 [[TMP16]], -2147483648
@@ -214,7 +214,7 @@ define i32 @select_icmp_var_start_iv_trunc(i32 %N, i32 %start) #0 {
214214; CHECK-NEXT: [[RED_NEXT]] = select i1 [[C]], i32 [[IV_TRUNC]], i32 [[RED]]
215215; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1
216216; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV]], [[N_EXT]]
217- ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP7 :![0-9]+]]
217+ ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP9 :![0-9]+]]
218218; CHECK: [[EXIT]]:
219219; CHECK-NEXT: [[RED_NEXT_LCSSA:%.*]] = phi i32 [ [[RED_NEXT]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[RDX_SELECT19]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ]
220220; CHECK-NEXT: ret i32 [[RED_NEXT_LCSSA]]
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