diff options
| author | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-05-04 01:52:06 +0000 |
|---|---|---|
| committer | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-05-04 01:52:06 +0000 |
| commit | 66787d4fb278e88a3ed279cc4f6fe95751f4286b (patch) | |
| tree | cd5155fa594c0f9c4ee084e45679b9adb9a542a1 /gcc/testsuite/gcc.dg/tree-ssa/bool-2.c | |
| parent | aa8d170158904be4fa44b24071f80d389dc2762e (diff) | |
| download | gcc-66787d4fb278e88a3ed279cc4f6fe95751f4286b.tar.gz | |
2004-05-03 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/15618
* fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
the same as INTEGER_TYPE.
(fold_binary): Fold "bool_var != 0" to bool_var.
Fold "bool_var == 1" to bool_var.
2005-05-03 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/15618
* gcc.dg/tree-ssa/bool-[1-9].c: New tests.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99207 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/bool-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/bool-2.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bool-2.c b/gcc/testsuite/gcc.dg/tree-ssa/bool-2.c new file mode 100644 index 00000000000..e46189ad9f2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/bool-2.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +int f(_Bool x) +{ + int y; + if (x) + y = 1; + else + y = 0; + return y; +} + +/* There should be no != 0 which is produced by the front-end as + bool_var != 0 is the same as bool_var. */ +/* { dg-final { scan-tree-dump-times "!= 0" 0 "optimized"} } */ + +/* There should be no adde for powerpc. Checking if we actually optimizated + away the comparision. */ +/* { dg-final { scan-assembler-times "adde" 0 { target powerpc-*-* } } } */ + +/* { dg-final { cleanup-tree-dump "optimized" } } */ |