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      1 ; RUN: opt %s -sccp -S
      2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
      3 target triple = "x86_64-apple-darwin10.0"
      4 
      5 define void @test1(i8 %arg) {
      6 entry:
      7   br i1 undef, label %return, label %bb
      8 
      9 bb:   
     10   br label %bb34
     11 
     12 bb23: 
     13   %c = icmp eq i8 %arg, undef 
     14   br i1 %c, label %bb34, label %bb23
     15 
     16 bb34:
     17   %Kind.1 = phi i32 [ undef, %bb ], [ %ins174, %bb23 ] 
     18   %mask173 = or i32 %Kind.1, 7
     19   %ins174 = and i32 %mask173, -249
     20   br label %bb23
     21 
     22 return:
     23   ret void
     24 }
     25 
     26 define i32 @test2([4 x i32] %A) {
     27   %B = extractvalue [4 x i32] %A, 1
     28   ret i32 %B
     29 }
     30