[GHC] #13367: CSE not working for top-level literal strings
#13367: CSE not working for top-level literal strings -------------------------------------+------------------------------------- Reporter: simonpj | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Consider {{{ {-# LANGUAGE MagicHash #-} module S( z ) where import GHC.Exts data T = MkT Addr# x = MkT "foo"# y = MkT "foo"# z = (x,y) }}} You'd expect those literal strings to get CSE'd but currently they are not. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13367 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#13367: CSE not working for top-level literal strings
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Reporter: simonpj | Owner: (none)
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 8.0.1
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by Simon Peyton Jones
#13367: CSE not working for top-level literal strings -------------------------------------+------------------------------------- Reporter: simonpj | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | simplCore/should_compile/T13367 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by simonpj): * status: new => closed * testcase: => simplCore/should_compile/T13367 * resolution: => fixed -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13367#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#13367: CSE not working for top-level literal strings -------------------------------------+------------------------------------- Reporter: simonpj | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: fixed | Keywords: strings Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: | simplCore/should_compile/T13367 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * keywords: => strings Old description:
Consider {{{ {-# LANGUAGE MagicHash #-} module S( z ) where import GHC.Exts
data T = MkT Addr#
x = MkT "foo"# y = MkT "foo"#
z = (x,y) }}} You'd expect those literal strings to get CSE'd but currently they are not.
New description: Consider {{{#!hs {-# LANGUAGE MagicHash #-} module S( z ) where import GHC.Exts data T = MkT Addr# x = MkT "foo"# y = MkT "foo"# z = (x,y) }}} You'd expect those literal strings to get CSE'd but currently they are not. -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13367#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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