[llvm-bugs] [Bug 36143] Compiler crash

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36143

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |llvm-dev at redking.me.uk
         Resolution|---                         |DUPLICATE
             Status|NEW                         |RESOLVED

--- Comment #1 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
Reduced: 

@a = external local_unnamed_addr global i32, align 4
@b = external local_unnamed_addr global i32, align 4
@c = external local_unnamed_addr global i32, align 4

define void @main() {
entry:
  %v = alloca i32, align 4
  store volatile i32 1, i32* %v, align 4
  %0 = load i32, i32* @a, align 4
  %1 = load i32, i32* @b, align 4
  %v.0.v.0.25 = load volatile i32, i32* %v, align 4
  %v.0.v.0.26 = load volatile i32, i32* %v, align 4
  %v.0.v.0.27 = load volatile i32, i32* %v, align 4
  %v.0.v.0.28 = load volatile i32, i32* %v, align 4
  %v.0.v.0.29 = load volatile i32, i32* %v, align 4
  %v.0.v.0.30 = load volatile i32, i32* %v, align 4
  %v.0.v.0.31 = load volatile i32, i32* %v, align 4
  %v.0.v.0.32 = load volatile i32, i32* %v, align 4
  %v.0.v.0.33 = load volatile i32, i32* %v, align 4
  %v.0.v.0.34 = load volatile i32, i32* %v, align 4
  %v.0.v.0.35 = load volatile i32, i32* %v, align 4
  %v.0.v.0.36 = load volatile i32, i32* %v, align 4
  %v.0.v.0.37 = load volatile i32, i32* %v, align 4
  %v.0.v.0.38 = load volatile i32, i32* %v, align 4
  %v.0.v.0.39 = load volatile i32, i32* %v, align 4
  %2 = load i32, i32* @c, align 4
  %v.0.v.0.40 = load volatile i32, i32* %v, align 4
  %div20 = sdiv i32 %2, %v.0.v.0.40
  %v.0.v.0.41 = load volatile i32, i32* %v, align 4
  %div22 = sdiv i32 %v.0.v.0.41, %0
  %factor = shl i32 %1, 1
  %add4 = add i32 0, %factor
  %add5 = add i32 %add4, %v.0.v.0.25
  %add6 = add i32 %add5, %v.0.v.0.26
  %add7 = add i32 %add6, %v.0.v.0.27
  %add8 = add i32 %add7, %v.0.v.0.28
  %add9 = add i32 %add8, %v.0.v.0.29
  %add10 = add i32 %add9, %v.0.v.0.30
  %add11 = add i32 %add10, %v.0.v.0.31
  %add12 = add i32 %add11, %v.0.v.0.32
  %add13 = add i32 %add12, %v.0.v.0.33
  %add14 = add i32 %add13, %v.0.v.0.34
  %add15 = add i32 %add14, %v.0.v.0.35
  %add16 = add i32 %add15, %v.0.v.0.36
  %add17 = add i32 %add16, %v.0.v.0.37
  %add18 = add i32 %add17, %v.0.v.0.38
  %add19 = add i32 %add18, %v.0.v.0.39
  %add21 = add i32 %add19, %div20
  %add23 = add i32 %add21, %div22
  %cmp = icmp eq i32 %add23, 23
  br i1 %cmp, label %if.end, label %if.then

if.then:                                          ; preds = %entry
  unreachable

if.end:                                           ; preds = %entry
  ret void
}

*** This bug has been marked as a duplicate of bug 35316 ***

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