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LiqinWengLiqinWeng
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fix the comments for tests
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‎llvm/test/Transforms/LoopVectorize/select-with-fastflags.ll

Lines changed: 55 additions & 65 deletions
Original file line numberDiff line numberDiff line change
@@ -1,68 +1,58 @@
11
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2-
; REQUIRES: asserts
32

4-
; RUN: opt < %s -passes=loop-vectorize -mtriple=riscv64 -mattr=+v -riscv-v-vector-bits-max=128 \
5-
; RUN: -riscv-v-vector-bits-min=128 -S | FileCheck --check-prefix=FAST %s
3+
; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S | FileCheck %s
64

75
define void @select_with_fastmath_flags(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) {
8-
; FAST-LABEL: define void @select_with_fastmath_flags(
9-
; FAST-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], ptr noalias [[C:%.*]], i64 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
10-
; FAST-NEXT: [[ENTRY:.*]]:
11-
; FAST-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
12-
; FAST-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 4
13-
; FAST-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], [[TMP1]]
14-
; FAST-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
15-
; FAST: [[VECTOR_PH]]:
16-
; FAST-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
17-
; FAST-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 4
18-
; FAST-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
19-
; FAST-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
20-
; FAST-NEXT: [[TMP4:%.*]] = call i64 @llvm.vscale.i64()
21-
; FAST-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], 4
22-
; FAST-NEXT: br label %[[VECTOR_BODY:.*]]
23-
; FAST: [[VECTOR_BODY]]:
24-
; FAST-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
25-
; FAST-NEXT: [[TMP6:%.*]] = add i64 [[INDEX]], 0
26-
; FAST-NEXT: [[TMP7:%.*]] = getelementptr inbounds nuw float, ptr [[B]], i64 [[TMP6]]
27-
; FAST-NEXT: [[TMP8:%.*]] = getelementptr inbounds nuw float, ptr [[TMP7]], i32 0
28-
; FAST-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 4 x float>, ptr [[TMP8]], align 4
29-
; FAST-NEXT: [[TMP9:%.*]] = getelementptr inbounds nuw float, ptr [[C]], i64 [[TMP6]]
30-
; FAST-NEXT: [[TMP10:%.*]] = getelementptr inbounds nuw float, ptr [[TMP9]], i32 0
31-
; FAST-NEXT: [[WIDE_LOAD1:%.*]] = load <vscale x 4 x float>, ptr [[TMP10]], align 4
32-
; FAST-NEXT: [[TMP11:%.*]] = fcmp fast ogt <vscale x 4 x float> [[WIDE_LOAD]], [[WIDE_LOAD1]]
33-
; FAST-NEXT: [[TMP12:%.*]] = fadd fast <vscale x 4 x float> [[WIDE_LOAD]], splat (float 1.000000e+01)
34-
; FAST-NEXT: [[TMP13:%.*]] = select fast <vscale x 4 x i1> [[TMP11]], <vscale x 4 x float> [[TMP12]], <vscale x 4 x float> [[WIDE_LOAD1]]
35-
; FAST-NEXT: [[TMP14:%.*]] = getelementptr inbounds nuw float, ptr [[A]], i64 [[TMP6]]
36-
; FAST-NEXT: [[TMP15:%.*]] = getelementptr inbounds nuw float, ptr [[TMP14]], i32 0
37-
; FAST-NEXT: store <vscale x 4 x float> [[TMP13]], ptr [[TMP15]], align 4
38-
; FAST-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP5]]
39-
; FAST-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
40-
; FAST-NEXT: br i1 [[TMP16]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
41-
; FAST: [[MIDDLE_BLOCK]]:
42-
; FAST-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
43-
; FAST-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
44-
; FAST: [[SCALAR_PH]]:
45-
; FAST-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
46-
; FAST-NEXT: br label %[[FOR_BODY:.*]]
47-
; FAST: [[FOR_BODY]]:
48-
; FAST-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
49-
; FAST-NEXT: [[GEP:%.*]] = getelementptr inbounds nuw float, ptr [[B]], i64 [[IV]]
50-
; FAST-NEXT: [[TMP17:%.*]] = load float, ptr [[GEP]], align 4
51-
; FAST-NEXT: [[GEP3:%.*]] = getelementptr inbounds nuw float, ptr [[C]], i64 [[IV]]
52-
; FAST-NEXT: [[TMP18:%.*]] = load float, ptr [[GEP3]], align 4
53-
; FAST-NEXT: [[CMP4:%.*]] = fcmp fast ogt float [[TMP17]], [[TMP18]]
54-
; FAST-NEXT: [[ADD:%.*]] = fadd fast float [[TMP17]], 1.000000e+01
55-
; FAST-NEXT: [[COND:%.*]] = select fast i1 [[CMP4]], float [[ADD]], float [[TMP18]]
56-
; FAST-NEXT: [[GEP11:%.*]] = getelementptr inbounds nuw float, ptr [[A]], i64 [[IV]]
57-
; FAST-NEXT: store float [[COND]], ptr [[GEP11]], align 4
58-
; FAST-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
59-
; FAST-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
60-
; FAST-NEXT: br i1 [[EXITCOND_NOT]], label %[[EXIT]], label %[[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
61-
; FAST: [[EXIT]]:
62-
; FAST-NEXT: ret void
6+
; CHECK-LABEL: define void @select_with_fastmath_flags(
7+
; CHECK-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]], ptr noalias [[C:%.*]], i64 [[N:%.*]]) {
8+
; CHECK-NEXT: [[ENTRY:.*]]:
9+
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
10+
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
11+
; CHECK: [[VECTOR_PH]]:
12+
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
13+
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
14+
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
15+
; CHECK: [[VECTOR_BODY]]:
16+
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
17+
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
18+
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds nuw float, ptr [[B]], i64 [[TMP0]]
19+
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds nuw float, ptr [[TMP1]], i32 0
20+
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP2]], align 4
21+
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds nuw float, ptr [[C]], i64 [[TMP0]]
22+
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds nuw float, ptr [[TMP3]], i32 0
23+
; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x float>, ptr [[TMP4]], align 4
24+
; CHECK-NEXT: [[TMP5:%.*]] = fcmp fast ogt <4 x float> [[WIDE_LOAD]], [[WIDE_LOAD1]]
25+
; CHECK-NEXT: [[TMP6:%.*]] = fadd fast <4 x float> [[WIDE_LOAD]], splat (float 1.000000e+01)
26+
; CHECK-NEXT: [[TMP7:%.*]] = select fast <4 x i1> [[TMP5]], <4 x float> [[TMP6]], <4 x float> [[WIDE_LOAD1]]
27+
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds nuw float, ptr [[A]], i64 [[TMP0]]
28+
; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds nuw float, ptr [[TMP8]], i32 0
29+
; CHECK-NEXT: store <4 x float> [[TMP7]], ptr [[TMP9]], align 4
30+
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
31+
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
32+
; CHECK-NEXT: br i1 [[TMP10]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
33+
; CHECK: [[MIDDLE_BLOCK]]:
34+
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
35+
; CHECK-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
36+
; CHECK: [[SCALAR_PH]]:
37+
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
38+
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
39+
; CHECK: [[FOR_BODY]]:
40+
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[IV_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
41+
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds nuw float, ptr [[B]], i64 [[IV]]
42+
; CHECK-NEXT: [[TMP11:%.*]] = load float, ptr [[GEP]], align 4
43+
; CHECK-NEXT: [[GEP3:%.*]] = getelementptr inbounds nuw float, ptr [[C]], i64 [[IV]]
44+
; CHECK-NEXT: [[TMP12:%.*]] = load float, ptr [[GEP3]], align 4
45+
; CHECK-NEXT: [[CMP4:%.*]] = fcmp fast ogt float [[TMP11]], [[TMP12]]
46+
; CHECK-NEXT: [[ADD:%.*]] = fadd fast float [[TMP11]], 1.000000e+01
47+
; CHECK-NEXT: [[COND:%.*]] = select fast i1 [[CMP4]], float [[ADD]], float [[TMP12]]
48+
; CHECK-NEXT: [[GEP11:%.*]] = getelementptr inbounds nuw float, ptr [[A]], i64 [[IV]]
49+
; CHECK-NEXT: store float [[COND]], ptr [[GEP11]], align 4
50+
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
51+
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
52+
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label %[[EXIT]], label %[[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
53+
; CHECK: [[EXIT]]:
54+
; CHECK-NEXT: ret void
6355
;
64-
65-
6656
entry:
6757
br label %for.body
6858

@@ -84,9 +74,9 @@ for.body:
8474
exit:
8575
ret void
8676
}
87-
;.
88-
; FAST: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
89-
; FAST: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
90-
; FAST: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
91-
; FAST: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
77+
78+
; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
79+
; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
80+
; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
81+
; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
9282
;.

‎llvm/test/Transforms/LoopVectorize/vplan-printing.ll

Lines changed: 56 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1200,6 +1200,62 @@ exit:
12001200
ret i16 %for.1
12011201
}
12021202

1203+
define void @print_select_with_fastmath_flags(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) {
1204+
; CHECK-LABEL: 'print_select_with_fastmath_flags'
1205+
; CHECK: VPlan 'Initial VPlan for VF={4},UF>=1'
1206+
; CHECK-NEXT: Live-in vp<[[VFUF:%.+]]> = VF * UF
1207+
; CHECK-NEXT: Live-in vp<[[VTC:%.+]]> = vector-trip-count
1208+
; CHECK-NEXT: Live-in ir<%N> = original trip-count
1209+
; CHECK-EMPTY:
1210+
; CHECK-NEXT: ir-bb<entry>:
1211+
; CHECK-NEXT: Successor(s): vector.ph
1212+
; CHECK-EMPTY:
1213+
; CHECK-NEXT: vector.ph:
1214+
; CHECK-NEXT: Successor(s): vector loop
1215+
; CHECK-EMPTY:
1216+
; CHECK: <x1> vector loop: {
1217+
; CHECK-NEXT: vector.body:
1218+
; CHECK-NEXT: EMIT vp<[[IV:%.+]]> = CANONICAL-INDUCTION ir<0>, vp<[[IV_NEXT_EXIT:%.+]]>
1219+
; CHECK-NEXT: vp<[[ST:%.+]]> = SCALAR-STEPS vp<[[IV]]>, ir<1>
1220+
; CHECK-NEXT: CLONE ir<[[GEP1:%.+]]> = getelementptr inbounds nuw ir<%b>, vp<[[ST]]>
1221+
; CHECK-NEXT: vp<[[PTR1:%.+]]> = vector-pointer ir<[[GEP1]]>
1222+
; CHECK-NEXT: WIDEN ir<[[LD1:%.+]]> = load vp<[[PTR1]]>
1223+
; CHECK-NEXT: CLONE ir<[[GEP2:%.+]]> = getelementptr inbounds nuw ir<%c>, vp<[[ST]]>
1224+
; CHECK-NEXT: vp<[[PTR2:%.+]]> = vector-pointer ir<[[GEP2]]>
1225+
; CHECK-NEXT: WIDEN ir<[[LD2:%.+]]> = load vp<[[PTR2]]>
1226+
; CHECK-NEXT: WIDEN ir<[[FCMP:%.+]]> = fcmp ogt ir<[[LD1]]>, ir<[[LD2]]>
1227+
; CHECK-NEXT: WIDEN ir<[[FADD:%.+]]> = fadd reassoc nnan ninf nsz arcp contract afn ir<[[LD1]]>, ir<1.000000e+01>
1228+
; CHECK-NEXT: WIDEN-SELECT ir<[[SELECT:%.+]]> = select reassoc nnan ninf nsz arcp contract afn ir<[[FCMP]]>, ir<[[FADD]]>, ir<[[LD2]]>
1229+
; CHECK-NEXT: CLONE ir<[[GEP3:%.+]]> = getelementptr inbounds nuw ir<%a>, vp<[[ST]]>
1230+
; CHECK-NEXT: vp<[[PTR3:%.+]]> = vector-pointer ir<[[GEP3]]>
1231+
; CHECK-NEXT: WIDEN store vp<[[PTR3]]>, ir<[[SELECT]]>
1232+
; CHECK-NEXT: EMIT vp<[[IV_NEXT_EXIT]]> = add nuw vp<[[IV]]>, vp<[[VFUF]]>
1233+
; CHECK-NEXT: EMIT branch-on-count vp<[[IV_NEXT_EXIT]]>, vp<[[VTC]]>
1234+
; CHECK-NEXT: No successors
1235+
; CHECK-NEXT: }
1236+
1237+
entry:
1238+
br label %for.body
1239+
1240+
for.body:
1241+
%iv = phi i64 [ %iv.next, %for.body ], [ 0, %entry ]
1242+
%gep = getelementptr inbounds nuw float, ptr %b, i64 %iv
1243+
%0 = load float, ptr %gep, align 4
1244+
%gep3 = getelementptr inbounds nuw float, ptr %c, i64 %iv
1245+
%1 = load float, ptr %gep3, align 4
1246+
%cmp4 = fcmp fast ogt float %0, %1
1247+
%add = fadd fast float %0, 1.000000e+01
1248+
%cond = select fast i1 %cmp4, float %add, float %1
1249+
%gep11 = getelementptr inbounds nuw float, ptr %a, i64 %iv
1250+
store float %cond, ptr %gep11, align 4
1251+
%iv.next = add nuw nsw i64 %iv, 1
1252+
%exitcond.not = icmp eq i64 %iv.next, %N
1253+
br i1 %exitcond.not, label %exit, label %for.body
1254+
1255+
exit:
1256+
ret void
1257+
}
1258+
12031259
!llvm.dbg.cu = !{!0}
12041260
!llvm.module.flags = !{!3, !4}
12051261

‎llvm/test/Transforms/LoopVectorize/vplan-select-with-fastflags.ll

Lines changed: 0 additions & 54 deletions
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