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* [gcc r13-3481] gimplify: Call gimple_boolify on IFN_ASSUME argument [PR107368]
@ 2022-10-25 8:45 Jakub Jelinek
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From: Jakub Jelinek @ 2022-10-25 8:45 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:44e18da4d9c5faf189fe876986927be12ae4e4c4
commit r13-3481-g44e18da4d9c5faf189fe876986927be12ae4e4c4
Author: Jakub Jelinek <jakub@redhat.com>
Date: Tue Oct 25 10:42:59 2022 +0200
gimplify: Call gimple_boolify on IFN_ASSUME argument [PR107368]
The following testcase ICEs in C, because assume attribute condition
has int type rather than bool and the gimplification into GIMPLE_ASSUME
assigns it into a bool variable.
Fixed by calling gimple_boolify.
2022-10-25 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/107368
* gimplify.cc (gimplify_call_expr): For complex IFN_ASSUME
conditions call gimple_boolify on the condition.
* gcc.dg/attr-assume-5.c: New test.
Diff:
---
gcc/gimplify.cc | 2 +-
gcc/testsuite/gcc.dg/attr-assume-5.c | 10 ++++++++++
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc
index 44cc9e6677b..d236ef948bc 100644
--- a/gcc/gimplify.cc
+++ b/gcc/gimplify.cc
@@ -3584,7 +3584,7 @@ gimplify_call_expr (tree *expr_p, gimple_seq *pre_p, bool want_value)
a separate function easily. */
tree guard = create_tmp_var (boolean_type_node);
*expr_p = build2 (MODIFY_EXPR, void_type_node, guard,
- CALL_EXPR_ARG (*expr_p, 0));
+ gimple_boolify (CALL_EXPR_ARG (*expr_p, 0)));
*expr_p = build3 (BIND_EXPR, void_type_node, NULL, *expr_p, NULL);
push_gimplify_context ();
gimple_seq body = NULL;
diff --git a/gcc/testsuite/gcc.dg/attr-assume-5.c b/gcc/testsuite/gcc.dg/attr-assume-5.c
new file mode 100644
index 00000000000..8aa0f361dad
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/attr-assume-5.c
@@ -0,0 +1,10 @@
+/* PR tree-optimization/107368 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+double
+f4 (double x)
+{
+ [[gnu::assume (x && x > 0.0)]];
+ return x;
+}
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