[GHC] #7004: Error compiling repa-algorithms with LLVM

[GHC]

#7004: Error compiling repa-algorithms with LLVM
---------------------------------------+------------------------------------
 Reporter:  benl                       |          Owner:  dterei         
     Type:  bug                        |         Status:  new            
 Priority:  normal                     |      Component:  Compiler (LLVM)
  Version:  7.4.1                      |       Keywords:                 
       Os:  MacOS X                    |   Architecture:  x86_64 (amd64) 
  Failure:  GHC rejects valid program  |       Testcase:                 
Blockedby:                             |       Blocking:                 
  Related:                             |  
---------------------------------------+------------------------------------
 With LLVM 3.0 and 3.1:

 {{{
 $ cabal install repa-examples
 Resolving dependencies...
 Configuring repa-algorithms-3.2.1.1...
 Building repa-algorithms-3.2.1.1...
 Preprocessing library repa-algorithms-3.2.1.1...
 [ 1 of 10] Compiling Data.Array.Repa.Algorithms.Randomish (
 Data/Array/Repa/Algorithms/Randomish.hs,
 dist/build/Data/Array/Repa/Algorithms/Randomish.o )

 /var/folders/39/s54cw_0x0pg1shz3z8wd3z080000gn/T/cc-IVGvFg.s:18:2:
     error: instruction requires a CPU feature not currently enabled
     jmpl *%eax ## TAILCALL
     ^
 }}}

 With LLVM 2.8:

 {{{
 $ cabal install repa-examples
 Resolving dependencies...
 Configuring repa-algorithms-3.2.1.1...
 Building repa-algorithms-3.2.1.1...
 Preprocessing library repa-algorithms-3.2.1.1...
 [ 1 of 10] Compiling Data.Array.Repa.Algorithms.Randomish (
 Data/Array/Repa/Algorithms/Randomish.hs,
 dist/build/Data/Array/Repa/Algorithms/Randomish.o )
 LLVM ERROR: Cannot yet select: 0x1010b8310: f64 = sint_to_fp
 0x10107ac10 [ORD=1990] [ID=54]
  0x10107ac10: i32,ch = load 0x101805d08, 0x1010b8210,
 0x101073310<LD4[%ln4wu]> [ORD=1989] [ID=52]
    0x101805d08: ch = EntryToken [ORD=1978] [ID=0]
    0x1010b8210: i32 = add 0x1010bab10, 0x1010ba810 [ID=51]
      0x1010bab10: i32 = add 0x1010b9e10, 0x101076910 [ID=50]
 ...
 }}}

 {{{
 $ xcodebuild -version
 Xcode 4.1
 Build version 4B110

 $ opt --version
 Low Level Virtual Machine (http://llvm.org/):
  llvm version 2.8
  Optimized build.
  Built Oct  7 2010 (00:21:19).
  Host: x86_64-apple-darwin11
  Host CPU: i686

  Registered Targets:
    (none)
 }}}

 Compiling a hello-world program works.

 This report was from Robby Findler, I haven't managed to reproduce the
 problem yet though. Submitting the report incase anyone else recognises
 the problem.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7004>
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