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      1 ; RUN: llvm-extract -S -bb foo:bb4 -bb foo:bb7 %s | FileCheck %s
      2 
      3 ; CHECK: @foo_bb4
      4 ; CHECK: @foo_bb7
      5 define i32 @foo(i32 %arg) {
      6 bb:
      7   %tmp = alloca i32, align 4
      8   %tmp1 = alloca i32, align 4
      9   store i32 %arg, i32* %tmp1, align 4
     10   %tmp2 = load i32, i32* %tmp1, align 4
     11   %tmp3 = icmp sgt i32 %tmp2, 0
     12   br i1 %tmp3, label %bb4, label %bb7
     13 
     14 bb4:                                              ; preds = %bb
     15   %tmp5 = load i32, i32* %tmp1, align 4
     16   %tmp6 = add nsw i32 %tmp5, 1
     17   store i32 %tmp6, i32* %tmp1, align 4
     18   store i32 %tmp6, i32* %tmp, align 4
     19   br label %bb8
     20 
     21 bb7:                                              ; preds = %bb
     22   store i32 0, i32* %tmp, align 4
     23   br label %bb8
     24 
     25 bb8:                                              ; preds = %bb7, %bb4
     26   %tmp9 = load i32, i32* %tmp, align 4
     27   ret i32 %tmp9
     28 }
     29 
     30