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| author | Sylvain Henry <sylvain@haskus.fr> | 2021-04-30 11:28:21 +0200 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-04-30 23:23:26 -0400 |
| commit | e61d2d47c4942c829ec98016be5aa5ae36982524 (patch) | |
| tree | 956c9760157e117d723d65a72dba3f4a20ac699f /compiler/GHC/Core/Utils.hs | |
| parent | 460afbe676715e4b8d75af79e9700ceebcf62eed (diff) | |
| download | haskell-e61d2d47c4942c829ec98016be5aa5ae36982524.tar.gz | |
Make sized division primops ok-for-spec (#19026)
Diffstat (limited to 'compiler/GHC/Core/Utils.hs')
| -rw-r--r-- | compiler/GHC/Core/Utils.hs | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/compiler/GHC/Core/Utils.hs b/compiler/GHC/Core/Utils.hs index cee7d4f68b..01b35f4b1f 100644 --- a/compiler/GHC/Core/Utils.hs +++ b/compiler/GHC/Core/Utils.hs @@ -1633,7 +1633,7 @@ app_ok primop_ok fun args -- to take the arguments into account PrimOpId op - | isDivOp op + | primOpIsDiv op , [arg1, Lit lit] <- args -> not (isZeroLit lit) && expr_ok primop_ok arg1 -- Special case for dividing operations that fail @@ -1686,19 +1686,6 @@ altsAreExhaustive (Alt con1 _ _ : alts) -- we behave conservatively here -- I don't think it's important -- enough to deserve special treatment --- | True of dyadic operators that can fail only if the second arg is zero! -isDivOp :: PrimOp -> Bool --- This function probably belongs in GHC.Builtin.PrimOps, or even in --- an automagically generated file.. but it's such a --- special case I thought I'd leave it here for now. -isDivOp IntQuotOp = True -isDivOp IntRemOp = True -isDivOp WordQuotOp = True -isDivOp WordRemOp = True -isDivOp FloatDivOp = True -isDivOp DoubleDivOp = True -isDivOp _ = False - {- Note [exprOkForSpeculation: case expressions] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ exprOkForSpeculation accepts very special case expressions. |