X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FllvmGen%2FLlvmCodeGen%2FBase.hs;h=408a553fd208afb0757f6eef77588d30ce8a20d6;hb=615d88d1912a81ca3bef44010285424f6c454449;hp=5e0df3ef866b0d166e59673152418254460f17b4;hpb=3aadff5e31bf6b665cf7ae7606c94cdab85624d2;p=ghc-hetmet.git

diff --git a/compiler/llvmGen/LlvmCodeGen/Base.hs b/compiler/llvmGen/LlvmCodeGen/Base.hs
index 5e0df3e..408a553 100644
--- a/compiler/llvmGen/LlvmCodeGen/Base.hs
+++ b/compiler/llvmGen/LlvmCodeGen/Base.hs
@@ -14,7 +14,7 @@ module LlvmCodeGen.Base (
 
         cmmToLlvmType, widthToLlvmFloat, widthToLlvmInt, llvmFunTy,
         llvmFunSig, llvmStdFunAttrs, llvmFunAlign, llvmInfAlign,
-        llvmPtrBits, llvmGhcCC,
+        llvmPtrBits, mkLlvmFunc, tysToParams,
 
         strCLabel_llvm, genCmmLabelRef, genStringLabelRef
 
@@ -25,14 +25,14 @@ module LlvmCodeGen.Base (
 import Llvm
 import LlvmCodeGen.Regs
 
-import CgUtils ( activeStgRegs )
 import CLabel
+import CgUtils ( activeStgRegs )
 import Cmm
-
+import Constants
 import FastString
 import qualified Outputable as Outp
-import Unique
 import UniqFM
+import Unique
 
 -- ----------------------------------------------------------------------------
 -- * Some Data Types
@@ -42,7 +42,7 @@ type LlvmCmmTop = GenCmmTop LlvmData [CmmStatic] (ListGraph LlvmStatement)
 type LlvmBasicBlock = GenBasicBlock LlvmStatement
 
 -- | Unresolved code.
--- Of the form: (data label, data type, unresovled data)
+-- Of the form: (data label, data type, unresolved data)
 type LlvmUnresData = (CLabel, Section, LlvmType, [UnresStatic])
 
 -- | Top level LLVM Data (globals and type aliases)
@@ -82,25 +82,34 @@ llvmGhcCC = CC_Ncc 10
 
 -- | Llvm Function type for Cmm function
 llvmFunTy :: LlvmType
-llvmFunTy
-  = LMFunction $
-        LlvmFunctionDecl (fsLit "a") ExternallyVisible llvmGhcCC LMVoid FixedArgs
-            (Left $ map getVarType llvmFunArgs) llvmFunAlign
+llvmFunTy = LMFunction $ llvmFunSig' (fsLit "a") ExternallyVisible
 
 -- | Llvm Function signature
 llvmFunSig :: CLabel -> LlvmLinkageType -> LlvmFunctionDecl
-llvmFunSig lbl link
-  = let n = strCLabel_llvm lbl
-    in LlvmFunctionDecl n link llvmGhcCC LMVoid FixedArgs
-        (Right llvmFunArgs) llvmFunAlign
+llvmFunSig lbl link = llvmFunSig' (strCLabel_llvm lbl) link
+
+llvmFunSig' :: LMString -> LlvmLinkageType -> LlvmFunctionDecl
+llvmFunSig' lbl link
+  = let toParams x | isPointer x = (x, [NoAlias, NoCapture])
+                   | otherwise   = (x, [])
+    in LlvmFunctionDecl lbl link llvmGhcCC LMVoid FixedArgs
+                        (map (toParams . getVarType) llvmFunArgs) llvmFunAlign
+
+-- | Create a Haskell function in LLVM.
+mkLlvmFunc :: CLabel -> LlvmLinkageType -> LMSection -> LlvmBlocks
+           -> LlvmFunction
+mkLlvmFunc lbl link sec blks
+  = let funDec = llvmFunSig lbl link
+        funArgs = map (fsLit . getPlainName) llvmFunArgs
+    in LlvmFunction funDec funArgs llvmStdFunAttrs sec blks
 
 -- | Alignment to use for functions
 llvmFunAlign :: LMAlign
-llvmFunAlign = Just 4
+llvmFunAlign = Just wORD_SIZE
 
 -- | Alignment to use for into tables
 llvmInfAlign :: LMAlign
-llvmInfAlign = Just 4
+llvmInfAlign = Just wORD_SIZE
 
 -- | A Function's arguments
 llvmFunArgs :: [LlvmVar]
@@ -110,6 +119,11 @@ llvmFunArgs = map lmGlobalRegArg activeStgRegs
 llvmStdFunAttrs :: [LlvmFuncAttr]
 llvmStdFunAttrs = [NoUnwind]
 
+-- | Convert a list of types to a list of function parameters
+-- (each with no parameter attributes)
+tysToParams :: [LlvmType] -> [LlvmParameter]
+tysToParams = map (\ty -> (ty, []))
+
 -- | Pointer width
 llvmPtrBits :: Int
 llvmPtrBits = widthInBits $ typeWidth gcWord