Updated version.
On 06/08/2011 11:45 AM, Tom de Vries wrote:
> On 06/08/2011 11:42 AM, Tom de Vries wrote:
>
>> I'll send the patch with the testcases in a separate email.
>
OK for trunk?
Thanks,
- Tom
2011-07-17 Tom de Vries <t...@codesourcery.com>
PR middle-end/43864
* gcc.dg/fold-compare-2.c (dg-options): Add -fno-tree-tail-merge.
* gcc/testsuite/gcc.dg/uninit-pred-2_c.c: Same.
* gcc.dg/pr43864.c: New test.
* gcc.dg/pr43864-2.c: Same.
Index: gcc/testsuite/gcc.dg/fold-compare-2.c
===================================================================
--- gcc/testsuite/gcc.dg/fold-compare-2.c (revision 175801)
+++ gcc/testsuite/gcc.dg/fold-compare-2.c (working copy)
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-vrp" } */
+/* { dg-options "-O2 -fno-tree-tail-merge -fdump-tree-vrp" } */
extern void abort (void);
Index: gcc/testsuite/gcc.dg/uninit-pred-2_c.c
===================================================================
--- gcc/testsuite/gcc.dg/uninit-pred-2_c.c (revision 175801)
+++ gcc/testsuite/gcc.dg/uninit-pred-2_c.c (working copy)
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-Wuninitialized -O2" } */
+/* { dg-options "-Wuninitialized -O2 -fno-tree-tail-merge" } */
int g;
void bar (void);
Index: gcc/testsuite/gcc.dg/pr43864.c
===================================================================
--- gcc/testsuite/gcc.dg/pr43864.c (revision 0)
+++ gcc/testsuite/gcc.dg/pr43864.c (revision 0)
@@ -0,0 +1,35 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+extern void foo (char*, int);
+extern void mysprintf (char *, char *);
+extern void myfree (void *);
+extern int access (char *, int);
+extern int fopen (char *, int);
+
+char *
+hprofStartupp (char *outputFileName, char *ctx)
+{
+ char fileName[1000];
+ int fp;
+ mysprintf (fileName, outputFileName);
+ if (access (fileName, 1) == 0)
+ {
+ myfree (ctx);
+ return 0;
+ }
+
+ fp = fopen (fileName, 0);
+ if (fp == 0)
+ {
+ myfree (ctx);
+ return 0;
+ }
+
+ foo (outputFileName, fp);
+
+ return ctx;
+}
+
+/* { dg-final { scan-tree-dump-times "myfree" 1 "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
Index: gcc/testsuite/gcc.dg/pr43864-2.c
===================================================================
--- gcc/testsuite/gcc.dg/pr43864-2.c (revision 0)
+++ gcc/testsuite/gcc.dg/pr43864-2.c (revision 0)
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+int
+f (int c, int b, int d)
+{
+ int r, e;
+
+ if (c)
+ r = b + d;
+ else
+ {
+ e = b + d;
+ r = e;
+ }
+
+ return r;
+}
+
+/* { dg-final { scan-tree-dump-times "if " 0 "optimized"} } */
+/* { dg-final { scan-tree-dump-times "\\\+" 1 "optimized"} } */
+/* { dg-final { scan-tree-dump-times "PHI" 0 "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
