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[Ada] Disable if expression optimization for LLVM

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gcc/ada/

	* exp_ch4.adb (Expand_N_If_Expression): Disable optimization
	for LLVM.
This commit is contained in:
Arnaud Charlet 2022-08-19 16:25:45 +00:00 committed by Marc Poulhiès
parent 1c245f7273
commit 63499dbd7d
1 changed files with 5 additions and 0 deletions
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5
gcc/ada/exp_ch4.adb
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@ -6135,6 +6135,10 @@ package body Exp_Ch4 is
-- itself such a slice, in order to catch if expressions with more than
-- two dependent expressions in the source code.
-- Also note that this creates variables on branches without an explicit
-- scope, causing troubles with e.g. the LLVM IR, so disable this
-- optimization when Unnest_Subprogram_Mode (enabled for LLVM).
elsif Is_Array_Type (Typ)
and then Number_Dimensions (Typ) = 1
and then not Is_Constrained (Typ)
@ -6151,6 +6155,7 @@ package body Exp_Ch4 is
and then
OK_For_Single_Subtype (Etype (Thenx), Etype (Prefix (Elsex)))))
and then not Generate_C_Code
and then not Unnest_Subprogram_Mode
then
declare
Ityp : constant Entity_Id := Base_Type (Etype (First_Index (Typ)));