File: dead-vp.store.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (93 lines) | stat: -rw-r--r-- 5,245 bytes parent folder | download | duplicates (3)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=dse -S < %s | FileCheck %s

; Test predicated vector length masked stores for elimination

define void @test1(ptr %a, i32 %vl, <vscale x 8 x i32> %v1, <vscale x 8 x i32> %v2) {
;
; CHECK-LABEL: @test1(
; CHECK-NEXT:    [[VP_OP:%.*]] = call <vscale x 8 x i32> @llvm.vp.add.nxv8i32(<vscale x 8 x i32> [[V1:%.*]], <vscale x 8 x i32> [[V2:%.*]], <vscale x 8 x i1> splat (i1 true), i32 [[VL:%.*]])
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[VP_OP]], ptr nonnull [[A:%.*]], <vscale x 8 x i1> splat (i1 true), i32 [[VL]])
; CHECK-NEXT:    ret void
;
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v1, ptr nonnull %a, <vscale x 8 x i1> splat (i1 true), i32 %vl)
  %vp.op = call <vscale x 8 x i32> @llvm.vp.add.nxv8i32(<vscale x 8 x i32> %v1, <vscale x 8 x i32> %v2, <vscale x 8 x i1> splat (i1 true), i32 %vl)
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %vp.op, ptr nonnull %a, <vscale x 8 x i1> splat (i1 true), i32 %vl)
  ret void
}

; False test for different vector lengths

define void @test2(ptr %a, i32 %vl1, i32 %vl2, <vscale x 8 x i32> %v1, <vscale x 8 x i32> %v2) {
;
; CHECK-LABEL: @test2(
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V1:%.*]], ptr nonnull [[A:%.*]], <vscale x 8 x i1> splat (i1 true), i32 [[VL1:%.*]])
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V2:%.*]], ptr nonnull [[A]], <vscale x 8 x i1> splat (i1 true), i32 [[VL2:%.*]])
; CHECK-NEXT:    ret void
;
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v1, ptr nonnull %a, <vscale x 8 x i1> splat (i1 true), i32 %vl1)
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v2, ptr nonnull %a, <vscale x 8 x i1> splat (i1 true), i32 %vl2)
  ret void
}

; False test for different types

define void @test3(ptr %a, i32 %vl1, i32 %vl2, <vscale x 4 x i32> %v1, <vscale x 8 x i32> %v2) {
;
; CHECK-LABEL: @test3(
; CHECK-NEXT:    call void @llvm.vp.store.nxv4i32.p0(<vscale x 4 x i32> [[V1:%.*]], ptr nonnull [[A:%.*]], <vscale x 4 x i1> splat (i1 true), i32 [[VL1:%.*]])
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V2:%.*]], ptr nonnull [[A]], <vscale x 8 x i1> splat (i1 true), i32 [[VL2:%.*]])
; CHECK-NEXT:    ret void
;
  call void @llvm.vp.store.nxv4i32.p0(<vscale x 4 x i32> %v1, ptr nonnull %a, <vscale x 4 x i1> splat (i1 true), i32 %vl1)
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v2, ptr nonnull %a, <vscale x 8 x i1> splat (i1 true), i32 %vl2)
  ret void
}

; False test for different element count

define void @test4(ptr %a, i32 %vl, <vscale x 4 x i64> %v1, <vscale x 8 x i32> %v2) {
;
; CHECK-LABEL: @test4(
; CHECK-NEXT:    call void @llvm.vp.store.nxv4i64.p0(<vscale x 4 x i64> [[V1:%.*]], ptr nonnull [[A:%.*]], <vscale x 4 x i1> splat (i1 true), i32 [[VL:%.*]])
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V2:%.*]], ptr nonnull [[A]], <vscale x 8 x i1> splat (i1 true), i32 [[VL]])
; CHECK-NEXT:    ret void
;
  call void @llvm.vp.store.nxv4i64.p0(<vscale x 4 x i64> %v1, ptr nonnull %a, <vscale x 4 x i1> splat (i1 true), i32 %vl)
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v2, ptr nonnull %a, <vscale x 8 x i1> splat (i1 true), i32 %vl)
  ret void
}

; False test for different masks

define void @test5(ptr %a, i32 %vl, <vscale x 8 x i32> %v1, <vscale x 8 x i32> %v2, <vscale x 8 x i1> %m1, <vscale x 8 x i1> %m2) {
;
; CHECK-LABEL: @test5(
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V1:%.*]], ptr nonnull [[A:%.*]], <vscale x 8 x i1> [[M1:%.*]], i32 [[VL:%.*]])
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V2:%.*]], ptr nonnull [[A]], <vscale x 8 x i1> [[M2:%.*]], i32 [[VL]])
; CHECK-NEXT:    ret void
;
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v1, ptr nonnull %a, <vscale x 8 x i1> %m1, i32 %vl)
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v2, ptr nonnull %a, <vscale x 8 x i1> %m2, i32 %vl)
  ret void
}

; False test for different pointers

define void @test6(ptr %a, ptr %b, i32 %vl, <vscale x 8 x i32> %v1, <vscale x 8 x i32> %v2, <vscale x 8 x i1> %m1) {
;
; CHECK-LABEL: @test6(
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V1:%.*]], ptr nonnull [[A:%.*]], <vscale x 8 x i1> [[M1:%.*]], i32 [[VL:%.*]])
; CHECK-NEXT:    call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> [[V2:%.*]], ptr nonnull [[B:%.*]], <vscale x 8 x i1> [[M1]], i32 [[VL]])
; CHECK-NEXT:    ret void
;
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v1, ptr nonnull %a, <vscale x 8 x i1> %m1, i32 %vl)
  call void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32> %v2, ptr nonnull %b, <vscale x 8 x i1> %m1, i32 %vl)
  ret void
}

declare <vscale x 8 x i32> @llvm.vp.add.nxv8i32(<vscale x 8 x i32>, <vscale x 8 x i32>, <vscale x 8 x i1>, i32)
declare void @llvm.vp.store.nxv8i32.p0(<vscale x 8 x i32>, ptr nocapture, <vscale x 8 x i1>, i32)
declare void @llvm.vp.store.nxv4i32.p0(<vscale x 4 x i32>, ptr nocapture, <vscale x 4 x i1>, i32)
declare void @llvm.vp.store.nxv4i64.p0(<vscale x 4 x i64>, ptr nocapture, <vscale x 4 x i1>, i32)