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infer_clone/infer/tests/codetoanalyze/cpp/frontend/loops/do_while.cpp.dot

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[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
/* @generated */
[cfg] rename iCFG to cfg in dotty files Summary: Not sure what an "iCFG" is but the dotty is only about CFGs anyway. Diff obtained by mass-`sed`. Reviewed By: sblackshear Differential Revision: D6324280 fbshipit-source-id: b7603bb
7 years ago
digraph cfg {
Get rid of Declare_locals Reviewed By: jeremydubreil Differential Revision: D9234331 fbshipit-source-id: 70443eabe
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_1" [label="1: Start test1\nFormals: a:_Bool b:_Bool\nLocals: x:int \n " color=yellow style=filled]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_1" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_14" ;
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_2" [label="2: Exit test1 \n " color=yellow style=filled]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_3" [label="3: Return Stmt \n n$0=*&x:int [line 20, column 10]\n *&return:int=n$0 [line 20, column 3]\n NULLIFY(&x); [line 20, column 3]\n EXIT_SCOPE(n$0,x); [line 20, column 3]\n APPLY_ABSTRACTION; [line 20, column 3]\n " shape="box"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_3" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_2" ;
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_4" [label="4: + \n " ]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_4" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_13" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_5" [label="5: Prune (true branch, do while) \n n$2=*&b:_Bool [line 19, column 12]\n PRUNE(n$2, true); [line 19, column 12]\n EXIT_SCOPE(n$2); [line 19, column 12]\n APPLY_ABSTRACTION; [line 19, column 12]\n " shape="invhouse"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_5" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_4" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_6" [label="6: Prune (false branch, do while) \n n$2=*&b:_Bool [line 19, column 12]\n PRUNE(!n$2, false); [line 19, column 12]\n NULLIFY(&b); [line 19, column 12]\n EXIT_SCOPE(n$2,b); [line 19, column 12]\n " shape="invhouse"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_6" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_3" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_7" [label="7: BinaryOperatorStmt: Assign \n n$4=*&x:int [line 18, column 9]\n *&x:int=(n$4 + 4) [line 18, column 5]\n EXIT_SCOPE(n$4); [line 18, column 5]\n " shape="box"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_7" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_5" ;
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_7" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_6" ;
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_8" [label="8: + \n " ]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_8" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_7" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_9" [label="9: Prune (true branch, if) \n n$5=*&a:_Bool [line 12, column 9]\n PRUNE(n$5, true); [line 12, column 9]\n EXIT_SCOPE(n$5); [line 12, column 9]\n " shape="invhouse"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_9" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_11" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_10" [label="10: Prune (false branch, if) \n n$5=*&a:_Bool [line 12, column 9]\n PRUNE(!n$5, false); [line 12, column 9]\n EXIT_SCOPE(n$5); [line 12, column 9]\n " shape="invhouse"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_10" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_12" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_11" [label="11: BinaryOperatorStmt: Assign \n n$9=*&x:int [line 13, column 11]\n *&x:int=(n$9 + 2) [line 13, column 7]\n EXIT_SCOPE(n$9); [line 13, column 7]\n " shape="box"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_11" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_5" ;
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_11" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_6" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_12" [label="12: BinaryOperatorStmt: Assign \n n$11=*&x:int [line 16, column 11]\n *&x:int=(n$11 + 3) [line 16, column 7]\n EXIT_SCOPE(n$11); [line 16, column 7]\n " shape="box"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_12" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_8" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_13" [label="13: BinaryOperatorStmt: Assign \n n$13=*&x:int [line 11, column 9]\n *&x:int=(n$13 + 1) [line 11, column 5]\n EXIT_SCOPE(n$13); [line 11, column 5]\n " shape="box"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_13" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_9" ;
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_13" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_10" ;
[preanalysis] do not delay killing variables taken by reference Summary: Before, the liveness pre-analysis would place extra instructions in the CFG for either: 1. marking an `Ident.t` as dead, or 2. marking a `Pvar.t` as `= 0` But we have no way of marking pvars dead without setting them to 0. This is bad because setting pvars to 0 is not possible everywhere they are dead. Indeed, we only do it when we haven't seen their address being taken anyway. This prevents the following situation, recorded in our tests: ``` int address_taken() { int** x; int* y; int i = 7; y = &i; x = &y; // if we don't reason about taken addresses while adding nullify instructions, // we'll add // `nullify(y)` here and report a false NPE on the next line return **x; } ``` So we want to mark pvars as dead without nullifying them. This diff extends the `Remove_temps` SIL instruction to accept pvars as well, and so renames it to `ExitScope`. Reviewed By: da319 Differential Revision: D13102953 fbshipit-source-id: aa7f03a52
6 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_14" [label="14: DeclStmt \n n$15=_fun___variable_initialization(&x:int) [line 9, column 3]\n *&x:int=0 [line 9, column 3]\n EXIT_SCOPE(n$15); [line 9, column 3]\n APPLY_ABSTRACTION; [line 9, column 3]\n " shape="box"]
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
[clang] update clang plugin to hash mangled names Summary: With this change and the previous facebook-clang-plugins change, infer no longer exhausts the biniou buffer when reading the serialized C++ AST. update-submodule: facebook-clang-plugins Reviewed By: mbouaziz Differential Revision: D5891081 fbshipit-source-id: cf48eac
7 years ago
"test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_14" -> "test1#18336337528475129646.aabe036d545fef7e4b4a130ea21a585c_4" ;
[frontend] Fix continue inside do while. Summary: The successor node of `continue` was not correct inside the `do while`. Reviewed By: sblackshear Differential Revision: D5769578 fbshipit-source-id: d7b0843
7 years ago
}