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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/forwprop-6.c9
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/fre-vce-1.c5
2 files changed, 10 insertions, 4 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-6.c b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-6.c
index 987f8a3909a..54e51097e4c 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/forwprop-6.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/forwprop-6.c
@@ -17,6 +17,11 @@ void f(void)
}
/* We should be able to convert the cast to a VCE in forwprop1,
- even if there is an aliasing violation. */
-/* { dg-final { scan-tree-dump-times "VIEW_CONVERT_EXPR" 1 "forwprop1"} } */
+ even if there is an aliasing violation.
+ ??? While this would be useful and nice to our users in this
+ particular situation before doing this transformation we have to
+ assure that a is killed by a dominating store via type float for
+ it to be valid. Then we might as well handle the situation by
+ value-numbering, removing the load alltogether. */
+/* { dg-final { scan-tree-dump-times "VIEW_CONVERT_EXPR" 1 "forwprop1" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "forwprop1" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/fre-vce-1.c b/gcc/testsuite/gcc.dg/tree-ssa/fre-vce-1.c
index 2bc6da33235..340f56893ca 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/fre-vce-1.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/fre-vce-1.c
@@ -32,6 +32,7 @@ void a2 (struct s1 sv, int i)
}
/* { dg-final { scan-tree-dump-times "sv_\[0-9\]\\\(D\\\)->i" 2 "fre" } } */
-/* { dg-final { scan-tree-dump-times "sv.i" 2 "fre" } } */
-
+/* We can't value-number *(float *)&sv.i as VIEW_CONVERT_EXPR of the
+ value of sv.i. */
+/* { dg-final { scan-tree-dump-times "sv.i" 2 "fre" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "fre" } } */