From 2cfeef883338978fa1ec18254b183fad4735f644 Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Tue, 8 Feb 2011 11:54:12 -0700 Subject: re PR tree-optimization/42893 (Missed conditionally dead store elimination) PR tree-optimization/42893 * gcc.tree-ssa/pr42893.c: New test. From-SVN: r169933 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/tree-ssa/pr42893.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/pr42893.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8ceef88..5a4fb3d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-02-08 Jeff Law + + PR tree-optimization/42893 + * gcc.tree-ssa/pr42893.c: New test. + 2011-02-08 Sebastian Pop PR tree-optimization/46834 diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr42893.c b/gcc/testsuite/gcc.dg/tree-ssa/pr42893.c new file mode 100644 index 0000000..b3fbd76 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr42893.c @@ -0,0 +1,30 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-optimized" } */ + +struct frame_info; +void tui_registers_changed_hook (void); +extern struct frame_info *deprecated_selected_frame; +int tui_refreshing_registers = 0; +void +tui_registers_changed_hook (void) +{ + struct frame_info *fi; + fi = deprecated_selected_frame; + if (fi) + + { + if (tui_refreshing_registers == 0) + + { + tui_refreshing_registers = 1; + tui_refreshing_registers = 0; + } + } + return; +} + +/* No references to tui_refreshing_registers should remain. */ +/* { dg-final { scan-tree-dump-not "tui_refreshing_registers" "optimized"} } */ + +/* { dg-final { cleanup-tree-dump "optimized" } } */ + -- cgit v1.1