diff options
| author | Richard Biener <rguenther@suse.de> | 2018-08-23 09:29:45 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-08-23 09:29:45 +0000 |
| commit | 60d91c7fae77fe6b7bd50a8b400a045b813e330f (patch) | |
| tree | aa5114bc27ceda6d3c770b18105cda89e458e65c | |
| parent | e25c95ef2af3700f614b0c6745c71d5185d53dac (diff) | |
| download | gcc-60d91c7fae77fe6b7bd50a8b400a045b813e330f.zip gcc-60d91c7fae77fe6b7bd50a8b400a045b813e330f.tar.gz gcc-60d91c7fae77fe6b7bd50a8b400a045b813e330f.tar.bz2 | |
re PR ipa/87024 (ICE in fold_stmt_1)
2018-08-23 Richard Biener <rguenther@suse.de>
PR middle-end/87024
* tree-inline.c (copy_bb): Drop unused __builtin_va_arg_pack_len
calls.
* gcc.dg/pr87024.c: New testcase.
From-SVN: r263805
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr87024.c | 14 | ||||
| -rw-r--r-- | gcc/tree-inline.c | 8 |
4 files changed, 32 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 64e6d8e..89dfeb9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-08-23 Richard Biener <rguenther@suse.de> + + PR middle-end/87024 + * tree-inline.c (copy_bb): Drop unused __builtin_va_arg_pack_len + calls. + 2018-08-23 Richard Sandiford <richard.sandiford@arm.com> * config/aarch64/aarch64.c (aarch64_evpc_sve_tbl): Fix handling diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 95fd2e5..bf2295b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-08-23 Richard Biener <rguenther@suse.de> + + PR middle-end/87024 + * gcc.dg/pr87024.c: New testcase. + 2018-08-23 Richard Sandiford <richard.sandiford@arm.com> * gcc.dg/vect/no-vfa-vect-depend-2.c: Remove XFAIL. diff --git a/gcc/testsuite/gcc.dg/pr87024.c b/gcc/testsuite/gcc.dg/pr87024.c new file mode 100644 index 0000000..a8a58aa --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr87024.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fno-tree-dce" } */ + +static inline void __attribute__((always_inline)) +mp () +{ + (void) __builtin_va_arg_pack_len (); +} + +void +ui (void) +{ + mp (); +} diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 2b6bb5c..ef615cc 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -1951,7 +1951,13 @@ copy_bb (copy_body_data *id, basic_block bb, for (p = DECL_ARGUMENTS (id->src_fn); p; p = DECL_CHAIN (p)) nargs--; - if (!gimple_call_va_arg_pack_p (id->call_stmt)) + if (!gimple_call_lhs (stmt)) + { + /* Drop unused calls. */ + gsi_remove (©_gsi, false); + continue; + } + else if (!gimple_call_va_arg_pack_p (id->call_stmt)) { count = build_int_cst (integer_type_node, nargs); new_stmt = gimple_build_assign (gimple_call_lhs (stmt), count); |