Hi,
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index ecfab1f..23c12b5 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -3759,8 +3759,10 @@ extract_range_basic (value_range *vr, gimple *stmt)
&& SSA_NAME_IS_DEFAULT_DEF (arg)
&& TREE_CODE (SSA_NAME_VAR (arg)) == PARM_DECL)
{
+#if 0
set_value_range_to_null (vr, type);
return;
+#endif
It is not cleanest either, but better to test cfun->after_inlining
Thanks. Here is the patch which does this. Bootstrapped and regression
tested with the rest of the patches in the series. Is this OK for trunk?
Thanks,
Kugan
gcc/ChangeLog:
2016-07-25 Kugan Vivekanandarajah <kug...@linaro.org>
* tree-vrp.c (extract_range_basic): Check cfun->after_inlining before
folding call to __builtin_constant_p with parameters to false.
>From 4805ea975de0fd3b183b27324df1caa7ff29f887 Mon Sep 17 00:00:00 2001
From: Kugan Vivekanandarajah <kugan.vivekanandara...@linaro.org>
Date: Sat, 25 Jun 2016 11:52:57 +1000
Subject: [PATCH 2/7] Prevent setting __builtin_constant_p of param to null
before inlining in Early VRP
---
gcc/tree-vrp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index bdfc1b6..edaacf2 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -3763,7 +3763,8 @@ extract_range_basic (value_range *vr, gimple *stmt)
arg = gimple_call_arg (stmt, 0);
if (TREE_CODE (arg) == SSA_NAME
&& SSA_NAME_IS_DEFAULT_DEF (arg)
- && TREE_CODE (SSA_NAME_VAR (arg)) == PARM_DECL)
+ && TREE_CODE (SSA_NAME_VAR (arg)) == PARM_DECL
+ && cfun->after_inlining)
{
set_value_range_to_null (vr, type);
return;
--
1.9.1
