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[COMMITTED] ada: Disable inlining in potentially unevaluated contexts

Message ID 20230613073835.240455-1-poulhies@adacore.com
State Accepted
Headers
Series [COMMITTED] ada: Disable inlining in potentially unevaluated contexts |

Checks

Context Check Description
snail/gcc-patch-check success Github commit url

Commit Message

Marc Poulhiès June 13, 2023, 7:38 a.m. UTC 
  From: Piotr Trojanek <trojanek@adacore.com>

Instead of explicitly disabling inlining in quantified expressions,
(which happen to be only preanalysed) and then disabling inlining in
potentially unevaluated contexts that are fully analysed (which happen
to include quantified expressions), we now simply disable inlining in
all potentially unevaluated contexts, regardless of the full analysis
mode.

This also disables inlining in iterated component associations, which
can be both preanalysed or fully analysed depending on their expression,
but nevertheless are potentially unevaluated.

gcc/ada/

	* sem_res.adb (Resolve_Call): Replace early call to
	In_Quantified_Expression with a call to Is_Potentially_Unevaluated that
	was only done when Full_Analysis is true.

Tested on x86_64-pc-linux-gnu, committed on master.

---
 gcc/ada/sem_res.adb | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)
diff mbox series

Patch

diff --git a/gcc/ada/sem_res.adb b/gcc/ada/sem_res.adb
index c2a4bcb58cd..41787f3d2bc 100644
--- a/gcc/ada/sem_res.adb
+++ b/gcc/ada/sem_res.adb
@@ -7290,14 +7290,14 @@  package body Sem_Res is
                Cannot_Inline
                  ("cannot inline & (in default expression)?", N, Nam_UA);
 
-            --  Calls cannot be inlined inside quantified expressions, which
-            --  are left in expression form for GNATprove. Since these
-            --  expressions are only preanalyzed, we need to detect the failure
-            --  to inline outside of the case for Full_Analysis below.
+            --  Calls cannot be inlined inside potentially unevaluated
+            --  expressions, as this would create complex actions inside
+            --  expressions, that are not handled by GNATprove.
 
-            elsif In_Quantified_Expression (N) then
+            elsif Is_Potentially_Unevaluated (N) then
                Cannot_Inline
-                 ("cannot inline & (in quantified expression)?", N, Nam_UA);
+                  ("cannot inline & (in potentially unevaluated context)?",
+                   N, Nam_UA);
 
             --  Inlining should not be performed during preanalysis
 
@@ -7365,15 +7365,6 @@  package body Sem_Res is
                elsif No (Body_To_Inline (Nam_Decl)) then
                   null;
 
-               --  Calls cannot be inlined inside potentially unevaluated
-               --  expressions, as this would create complex actions inside
-               --  expressions, that are not handled by GNATprove.
-
-               elsif Is_Potentially_Unevaluated (N) then
-                  Cannot_Inline
-                    ("cannot inline & (in potentially unevaluated context)?",
-                     N, Nam_UA);
-
                --  Calls cannot be inlined inside the conditions of while
                --  loops, as this would create complex actions inside
                --  the condition, that are not handled by GNATprove.