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
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
; RUN: opt < %s -indvars -S | FileCheck %s

define void @test0(i32* %a) {
; CHECK-LABEL: @test0(
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %rem = srem i32 %i.01, 2
; CHECK-NOT: srem
; CHECK:     urem
  %idxprom = sext i32 %rem to i64
  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
  store i32 %i.01, i32* %arrayidx, align 4
  %inc = add nsw i32 %i.01, 1
  %cmp = icmp slt i32 %inc, 64
  br i1 %cmp, label %for.body, label %for.end

for.end:                                          ; preds = %for.body
  ret void
}

define void @test2(i32* %a, i32 %d) {
; CHECK-LABEL: @test2(
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %mul = mul nsw i32 %i.01, 64
  %rem = srem i32 %mul, %d
; CHECK-NOT: urem
  %idxprom = sext i32 %rem to i64
  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
  store i32 %i.01, i32* %arrayidx, align 4
  %inc = add nsw i32 %i.01, 1
  %cmp = icmp slt i32 %inc, 64
  br i1 %cmp, label %for.body, label %for.end

for.end:                                          ; preds = %for.body
  ret void
}

define void @test3(i32* %a) {
; CHECK-LABEL: @test3(
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %rem = srem i32 2048, %i.01
; CHECK:     urem
; CHECK-NOT: srem
  %idxprom = sext i32 %rem to i64
  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
  store i32 %i.01, i32* %arrayidx, align 4
  %inc = add nsw i32 %i.01, 1
  %cmp = icmp slt i32 %inc, 64
  br i1 %cmp, label %for.body, label %for.end

for.end:                                          ; preds = %for.body
  ret void
}

define void @test4(i32* %a) {
; CHECK-LABEL: @test4(
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %mul = mul nsw i32 %i.01, 64
  %rem = srem i32 %mul, 7
; CHECK:     urem
; CHECK-NOT: srem
  %idxprom = sext i32 %rem to i64
  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
  store i32 %i.01, i32* %arrayidx, align 4
  %inc = add nsw i32 %i.01, 1
  %cmp = icmp slt i32 %inc, 64
  br i1 %cmp, label %for.body, label %for.end

for.end:                                          ; preds = %for.body
  ret void
}

define void @test5(i32* %a) {
; CHECK-LABEL: @test5(
entry:
  br label %for.body

for.body:                                         ; preds = %entry, %for.body
  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
  %mul = mul nsw i32 %i.01, 64
  %rem = srem i32 %mul, 6
; CHECK:     urem
; CHECK-NOT: srem
  %idxprom = sext i32 %rem to i64
  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
  store i32 %i.01, i32* %arrayidx, align 4
  %inc = add nsw i32 %i.01, 1
  %cmp = icmp slt i32 %inc, 64
  br i1 %cmp, label %for.body, label %for.end

for.end:                                          ; preds = %for.body
  ret void
}