reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instsimplify < %s | FileCheck %s

define <4 x i32> @test1(<4 x i32> %A) {
; CHECK-LABEL: @test1(
; CHECK-NEXT:    ret <4 x i32> undef
;
  %I = insertelement <4 x i32> %A, i32 5, i64 4294967296
  ret <4 x i32> %I
}

define <4 x i32> @test2(<4 x i32> %A) {
; CHECK-LABEL: @test2(
; CHECK-NEXT:    ret <4 x i32> undef
;
  %I = insertelement <4 x i32> %A, i32 5, i64 4
  ret <4 x i32> %I
}

define <4 x i32> @test3(<4 x i32> %A) {
; CHECK-LABEL: @test3(
; CHECK-NEXT:    [[I:%.*]] = insertelement <4 x i32> [[A:%.*]], i32 5, i64 1
; CHECK-NEXT:    ret <4 x i32> [[I]]
;
  %I = insertelement <4 x i32> %A, i32 5, i64 1
  ret <4 x i32> %I
}

define <4 x i32> @test4(<4 x i32> %A) {
; CHECK-LABEL: @test4(
; CHECK-NEXT:    ret <4 x i32> undef
;
  %I = insertelement <4 x i32> %A, i32 5, i128 100
  ret <4 x i32> %I
}

define <4 x i32> @test5(<4 x i32> %A) {
; CHECK-LABEL: @test5(
; CHECK-NEXT:    ret <4 x i32> undef
;
  %I = insertelement <4 x i32> %A, i32 5, i64 undef
  ret <4 x i32> %I
}

define <4 x i32> @PR1286(<4 x i32> %A) {
; CHECK-LABEL: @PR1286(
; CHECK-NEXT:    ret <4 x i32> [[A:%.*]]
;
  %B = insertelement <4 x i32> %A, i32 undef, i32 1
  ret <4 x i32> %B
}

define <8 x i8> @extract_insert_same_vec_and_index(<8 x i8> %in) {
; CHECK-LABEL: @extract_insert_same_vec_and_index(
; CHECK-NEXT:    ret <8 x i8> [[IN:%.*]]
;
  %val = extractelement <8 x i8> %in, i32 5
  %vec = insertelement <8 x i8> %in, i8 %val, i32 5
  ret <8 x i8> %vec
}

define <8 x i8> @extract_insert_same_vec_and_index2(<8 x i8> %in, i32 %index) {
; CHECK-LABEL: @extract_insert_same_vec_and_index2(
; CHECK-NEXT:    ret <8 x i8> [[IN:%.*]]
;
  %val = extractelement <8 x i8> %in, i32 %index
  %vec = insertelement <8 x i8> %in, i8 %val, i32 %index
  ret <8 x i8> %vec
}

; The insert is in an unreachable block, so it is allowed to point to itself.
; This would crash via stack overflow.

define void @PR43218() {
; CHECK-LABEL: @PR43218(
; CHECK-NEXT:  end:
; CHECK-NEXT:    ret void
; CHECK:       unreachable_infloop:
; CHECK-NEXT:    [[EXTRACT:%.*]] = extractelement <2 x i64> [[BOGUS:%.*]], i32 0
; CHECK-NEXT:    [[T0:%.*]] = inttoptr i64 [[EXTRACT]] to i16****
; CHECK-NEXT:    [[BOGUS]] = insertelement <2 x i64> [[BOGUS]], i64 undef, i32 1
; CHECK-NEXT:    br label [[UNREACHABLE_INFLOOP:%.*]]
;
end:
  ret void

unreachable_infloop:
  %extract = extractelement <2 x i64> %bogus, i32 0
  %t0 = inttoptr i64 %extract to i16****
  %bogus = insertelement <2 x i64> %bogus, i64 undef, i32 1
  br label %unreachable_infloop
}