Test case for memdep crash

memdep_requires_dominator_tree.ll

; ModuleID = 'input.bc'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-a0:0:64-f80:32:32"
target triple = "amdil-pc-amdopencl"

@.str = internal addrspace(2) constant [6 x i8] c"uint*\00"
@.str1 = internal addrspace(2) constant [6 x i8] c"uint*\00"
@llvm.argtypename.annotations.__OpenCL_memdep_requires_dominator_tree_kernel = global [2 x i8*] [i8* bitcast ([6 x i8] addrspace(2)* @.str to i8*), i8* bitcast ([6 x i8] addrspace(2)* @.str1 to i8*)], section "llvm.metadata"
@sgv = internal addrspace(2) constant [1 x i8] zeroinitializer
@fgv = internal addrspace(2) constant [1 x i8] zeroinitializer
@lvgv = internal constant [0 x i8*] zeroinitializer
@rvgv = internal constant [0 x i8*] zeroinitializer
@llvm.global.annotations = appending global [1 x { i8*, i8*, i8*, i8*, i8*, i32 }] [{ i8*, i8*, i8*, i8*, i8*, i32 } { i8* bitcast (void (i32 addrspace(1)*, i32 addrspace(2)*)* @__OpenCL_memdep_requires_dominator_tree_kernel to i8*), i8* bitcast ([1 x i8] addrspace(2)* @sgv to i8*), i8* bitcast ([1 x i8] addrspace(2)* @fgv to i8*), i8* bitcast ([0 x i8*]* @lvgv to i8*), i8* bitcast ([0 x i8*]* @rvgv to i8*), i32 0 }], section "llvm.metadata"

define void @__OpenCL_memdep_requires_dominator_tree_kernel(i32 addrspace(1)* nocapture %bufUInt, i32 addrspace(2)* nocapture %pattern) nounwind {
entry:
  br label %for.body

for.exit:                                         ; preds = %for.body
  ret void

for.body:                                         ; preds = %for.body, %entry
  %i.01 = phi i32 [ 0, %entry ], [ %tmp8.7, %for.body ]
  %arrayidx = getelementptr i32 addrspace(1)* %bufUInt, i32 %i.01
  %arrayidx5 = getelementptr i32 addrspace(2)* %pattern, i32 %i.01
  %tmp6 = load i32 addrspace(2)* %arrayidx5, align 4
  store i32 %tmp6, i32 addrspace(1)* %arrayidx, align 4
  %tmp82 = or i32 %i.01, 1
  %arrayidx.1 = getelementptr i32 addrspace(1)* %bufUInt, i32 %tmp82
  %arrayidx5.1 = getelementptr i32 addrspace(2)* %pattern, i32 %tmp82
  %tmp6.1 = load i32 addrspace(2)* %arrayidx5.1, align 4
  store i32 %tmp6.1, i32 addrspace(1)* %arrayidx.1, align 4
  %tmp8.13 = or i32 %i.01, 2
  %arrayidx.2 = getelementptr i32 addrspace(1)* %bufUInt, i32 %tmp8.13
  %arrayidx5.2 = getelementptr i32 addrspace(2)* %pattern, i32 %tmp8.13
  %tmp6.2 = load i32 addrspace(2)* %arrayidx5.2, align 4
  store i32 %tmp6.2, i32 addrspace(1)* %arrayidx.2, align 4
  %tmp8.24 = or i32 %i.01, 3
  %arrayidx.3 = getelementptr i32 addrspace(1)* %bufUInt, i32 %tmp8.24
  %arrayidx5.3 = getelementptr i32 addrspace(2)* %pattern, i32 %tmp8.24
  %tmp6.3 = load i32 addrspace(2)* %arrayidx5.3, align 4
  store i32 %tmp6.3, i32 addrspace(1)* %arrayidx.3, align 4
  %tmp8.35 = or i32 %i.01, 4
  %arrayidx.4 = getelementptr i32 addrspace(1)* %bufUInt, i32 %tmp8.35
  %arrayidx5.4 = getelementptr i32 addrspace(2)* %pattern, i32 %tmp8.35
  %tmp6.4 = load i32 addrspace(2)* %arrayidx5.4, align 4
  store i32 %tmp6.4, i32 addrspace(1)* %arrayidx.4, align 4
  %tmp8.46 = or i32 %i.01, 5
  %arrayidx.5 = getelementptr i32 addrspace(1)* %bufUInt, i32 %tmp8.46
  %arrayidx5.5 = getelementptr i32 addrspace(2)* %pattern, i32 %tmp8.46
  %tmp6.5 = load i32 addrspace(2)* %arrayidx5.5, align 4
  store i32 %tmp6.5, i32 addrspace(1)* %arrayidx.5, align 4
  %tmp8.57 = or i32 %i.01, 6
  %arrayidx.6 = getelementptr i32 addrspace(1)* %bufUInt, i32 %tmp8.57
  %arrayidx5.6 = getelementptr i32 addrspace(2)* %pattern, i32 %tmp8.57
  %tmp6.6 = load i32 addrspace(2)* %arrayidx5.6, align 4
  store i32 %tmp6.6, i32 addrspace(1)* %arrayidx.6, align 4
  %tmp8.68 = or i32 %i.01, 7
  %arrayidx.7 = getelementptr i32 addrspace(1)* %bufUInt, i32 %tmp8.68
  %arrayidx5.7 = getelementptr i32 addrspace(2)* %pattern, i32 %tmp8.68
  %tmp6.7 = load i32 addrspace(2)* %arrayidx5.7, align 4
  store i32 %tmp6.7, i32 addrspace(1)* %arrayidx.7, align 4
  %tmp8.7 = add i32 %i.01, 8
  %cmp.7 = icmp ult i32 %tmp8.7, 1024
  br i1 %cmp.7, label %for.body, label %for.exit
}