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      1 ; RUN: opt -debugify -dce -S < %s | FileCheck %s
      2 ; RUN: opt -passes='module(debugify),function(dce)' -S < %s | FileCheck %s
      3 
      4 ; CHECK-LABEL: @test
      5 define void @test() {
      6   %add = add i32 1, 2
      7 ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 1, metadata [[add:![0-9]+]], metadata !DIExpression(DW_OP_plus_uconst, 2, DW_OP_stack_value))
      8   %sub = sub i32 %add, 1
      9 ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 1, metadata [[sub:![0-9]+]], metadata !DIExpression(DW_OP_plus_uconst, 2, DW_OP_constu, 1, DW_OP_minus, DW_OP_stack_value))
     10 ; CHECK-NEXT: ret void
     11   ret void
     12 }
     13 
     14 ; CHECK: [[add]] = !DILocalVariable
     15 ; CHECK: [[sub]] = !DILocalVariable
     16