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authorpinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4>2005-05-04 01:52:06 +0000
committerpinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4>2005-05-04 01:52:06 +0000
commit66787d4fb278e88a3ed279cc4f6fe95751f4286b (patch)
treecd5155fa594c0f9c4ee084e45679b9adb9a542a1 /gcc/testsuite/gcc.dg/tree-ssa/bool-9.c
parentaa8d170158904be4fa44b24071f80d389dc2762e (diff)
downloadgcc-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-9.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/bool-9.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/bool-9.c b/gcc/testsuite/gcc.dg/tree-ssa/bool-9.c
new file mode 100644
index 00000000000..09df2e48983
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/bool-9.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-optimized" } */
+
+_Bool f1(_Bool x)
+{
+ return !!x;
+}
+
+/* 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 subfe for powerpc. Checking if we actually optimizated
+ away the comparision. */
+/* { dg-final { scan-assembler-times "subfe" 0 { target powerpc-*-* } } } */
+
+/* { dg-final { cleanup-tree-dump "optimized" } } */