diff options
Diffstat (limited to 'compiler/simplCore/Simplify.hs')
-rw-r--r-- | compiler/simplCore/Simplify.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/simplCore/Simplify.hs b/compiler/simplCore/Simplify.hs index 1e1b6ee27e..cf5c9c1afe 100644 --- a/compiler/simplCore/Simplify.hs +++ b/compiler/simplCore/Simplify.hs @@ -3236,7 +3236,8 @@ simplLetUnfolding :: SimplEnv-> TopLevelFlag simplLetUnfolding env top_lvl cont_mb id new_rhs unf | isStableUnfolding unf = simplStableUnfolding env top_lvl cont_mb id unf - | isExitJoinId id + | sm_preserve_exit_joins (getMode env) + , isExitJoinId id = return noUnfolding -- see Note [Do not inline exit join points] | otherwise = mkLetUnfolding (seDynFlags env) top_lvl InlineRhs id new_rhs |