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| author | Philip Herron <philip.herron@embecosm.com> | 2022-08-11 12:34:13 +0100 |
|---|---|---|
| committer | Philip Herron <philip.herron@embecosm.com> | 2022-08-11 12:34:13 +0100 |
| commit | f891a13aa2af912584176d2c595c295b77ff5ff9 (patch) | |
| tree | 90a38aef7e87f385a58c6cf35c9d9e7788efd4e8 | |
| parent | eca2ac2c23e0c8b438fd696d4f85e35c9210d8dd (diff) | |
| download | gcc-f891a13aa2af912584176d2c595c295b77ff5ff9.zip gcc-f891a13aa2af912584176d2c595c295b77ff5ff9.tar.gz gcc-f891a13aa2af912584176d2c595c295b77ff5ff9.tar.bz2 | |
Ensure we set TREE_SIDE_EFFECTS on call expressions
When we compiling call expressions the GCC helper has quite a simple
implementation to determine if there are SIDE_EFFECTS we have more
information in the front-end to determine this. This adds a check that
the call expression is deemed to have no side effects ensure we check this
against the fndecl used.
Fixes #1460
| -rw-r--r-- | gcc/rust/rust-gcc.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/rust/rust-gcc.cc b/gcc/rust/rust-gcc.cc index 27196e8..f396aa8 100644 --- a/gcc/rust/rust-gcc.cc +++ b/gcc/rust/rust-gcc.cc @@ -1848,6 +1848,9 @@ Gcc_backend::call_expression (tree fn, const std::vector<tree> &fn_args, ret = build1_loc (location.gcc_location (), NOP_EXPR, rettype, ret); } + if (!TREE_SIDE_EFFECTS (ret)) + TREE_SIDE_EFFECTS (ret) = TREE_SIDE_EFFECTS (fndecl); + delete[] args; return ret; } |