File: riscv-unroll.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (139 lines) | stat: -rw-r--r-- 9,001 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv64 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -S | FileCheck %s --check-prefix=LMUL1
; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv32 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -S | FileCheck %s --check-prefix=LMUL1
; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv64 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -riscv-v-register-bit-width-lmul=2 -S | FileCheck %s --check-prefix=LMUL2
; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv32 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -riscv-v-register-bit-width-lmul=2 -S | FileCheck %s --check-prefix=LMUL2

; Function Attrs: nounwind
define ptr @array_add(ptr noalias nocapture readonly %a, ptr noalias nocapture readonly %b, ptr %c, i32 %size) {
; LMUL1-LABEL: @array_add(
; LMUL1-NEXT:  entry:
; LMUL1-NEXT:    [[CMP10:%.*]] = icmp sgt i32 [[SIZE:%.*]], 0
; LMUL1-NEXT:    br i1 [[CMP10]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; LMUL1:       for.body.preheader:
; LMUL1-NEXT:    [[TMP0:%.*]] = zext i32 [[SIZE]] to i64
; LMUL1-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 8
; LMUL1-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; LMUL1:       vector.ph:
; LMUL1-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 8
; LMUL1-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]]
; LMUL1-NEXT:    br label [[VECTOR_BODY:%.*]]
; LMUL1:       vector.body:
; LMUL1-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; LMUL1-NEXT:    [[TMP1:%.*]] = add i64 [[INDEX]], 0
; LMUL1-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[TMP1]]
; LMUL1-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 0
; LMUL1-NEXT:    [[WIDE_LOAD:%.*]] = load <8 x i32>, ptr [[TMP3]], align 4
; LMUL1-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP1]]
; LMUL1-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i32 0
; LMUL1-NEXT:    [[WIDE_LOAD1:%.*]] = load <8 x i32>, ptr [[TMP5]], align 4
; LMUL1-NEXT:    [[TMP6:%.*]] = add nsw <8 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
; LMUL1-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i64 [[TMP1]]
; LMUL1-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP7]], i32 0
; LMUL1-NEXT:    store <8 x i32> [[TMP6]], ptr [[TMP8]], align 4
; LMUL1-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; LMUL1-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; LMUL1-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; LMUL1:       middle.block:
; LMUL1-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]]
; LMUL1-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; LMUL1:       scalar.ph:
; LMUL1-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; LMUL1-NEXT:    br label [[FOR_BODY:%.*]]
; LMUL1:       for.body:
; LMUL1-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; LMUL1-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]]
; LMUL1-NEXT:    [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
; LMUL1-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]]
; LMUL1-NEXT:    [[TMP11:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4
; LMUL1-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP11]], [[TMP10]]
; LMUL1-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[INDVARS_IV]]
; LMUL1-NEXT:    store i32 [[ADD]], ptr [[ARRAYIDX4]], align 4
; LMUL1-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; LMUL1-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; LMUL1-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[SIZE]]
; LMUL1-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; LMUL1:       for.end.loopexit:
; LMUL1-NEXT:    br label [[FOR_END]]
; LMUL1:       for.end:
; LMUL1-NEXT:    ret ptr [[C]]
;
; LMUL2-LABEL: @array_add(
; LMUL2-NEXT:  entry:
; LMUL2-NEXT:    [[CMP10:%.*]] = icmp sgt i32 [[SIZE:%.*]], 0
; LMUL2-NEXT:    br i1 [[CMP10]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; LMUL2:       for.body.preheader:
; LMUL2-NEXT:    [[TMP0:%.*]] = zext i32 [[SIZE]] to i64
; LMUL2-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 8
; LMUL2-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; LMUL2:       vector.ph:
; LMUL2-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 8
; LMUL2-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]]
; LMUL2-NEXT:    br label [[VECTOR_BODY:%.*]]
; LMUL2:       vector.body:
; LMUL2-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; LMUL2-NEXT:    [[TMP1:%.*]] = add i64 [[INDEX]], 0
; LMUL2-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[TMP1]]
; LMUL2-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 0
; LMUL2-NEXT:    [[WIDE_LOAD:%.*]] = load <8 x i32>, ptr [[TMP3]], align 4
; LMUL2-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP1]]
; LMUL2-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i32 0
; LMUL2-NEXT:    [[WIDE_LOAD1:%.*]] = load <8 x i32>, ptr [[TMP5]], align 4
; LMUL2-NEXT:    [[TMP6:%.*]] = add nsw <8 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
; LMUL2-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i64 [[TMP1]]
; LMUL2-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP7]], i32 0
; LMUL2-NEXT:    store <8 x i32> [[TMP6]], ptr [[TMP8]], align 4
; LMUL2-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
; LMUL2-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; LMUL2-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; LMUL2:       middle.block:
; LMUL2-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]]
; LMUL2-NEXT:    br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; LMUL2:       scalar.ph:
; LMUL2-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; LMUL2-NEXT:    br label [[FOR_BODY:%.*]]
; LMUL2:       for.body:
; LMUL2-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
; LMUL2-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]]
; LMUL2-NEXT:    [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
; LMUL2-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]]
; LMUL2-NEXT:    [[TMP11:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4
; LMUL2-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP11]], [[TMP10]]
; LMUL2-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[INDVARS_IV]]
; LMUL2-NEXT:    store i32 [[ADD]], ptr [[ARRAYIDX4]], align 4
; LMUL2-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; LMUL2-NEXT:    [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
; LMUL2-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[SIZE]]
; LMUL2-NEXT:    br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; LMUL2:       for.end.loopexit:
; LMUL2-NEXT:    br label [[FOR_END]]
; LMUL2:       for.end:
; LMUL2-NEXT:    ret ptr [[C]]
;
entry:
  %cmp10 = icmp sgt i32 %size, 0
  br i1 %cmp10, label %for.body.preheader, label %for.end

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.body:                                         ; preds = %for.body.preheader, %for.body
  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
  %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
  %0 = load i32, ptr %arrayidx, align 4
  %arrayidx2 = getelementptr inbounds i32, ptr %b, i64 %indvars.iv
  %1 = load i32, ptr %arrayidx2, align 4
  %add = add nsw i32 %1, %0
  %arrayidx4 = getelementptr inbounds i32, ptr %c, i64 %indvars.iv
  store i32 %add, ptr %arrayidx4, align 4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond = icmp eq i32 %lftr.wideiv, %size
  br i1 %exitcond, label %for.end.loopexit, label %for.body

for.end.loopexit:                                 ; preds = %for.body
  br label %for.end

for.end:                                          ; preds = %for.end.loopexit, %entry
  ret ptr %c
}