swap <[]> and <{}> syntax

[ghc-hetmet.git] / compiler / llvmGen / LlvmCodeGen / Base.hs

diff --git a/compiler/llvmGen/LlvmCodeGen/Base.hs b/compiler/llvmGen/LlvmCodeGen/Base.hs
index 5e0df3e..221106a 100644 (file)
--- a/compiler/llvmGen/LlvmCodeGen/Base.hs
+++ b/compiler/llvmGen/LlvmCodeGen/Base.hs
@@ -9,12 +9,14 @@ module LlvmCodeGen.Base (
         LlvmCmmTop, LlvmBasicBlock,
         LlvmUnresData, LlvmData, UnresLabel, UnresStatic,
 
+        LlvmVersion, defaultLlvmVersion,
+
         LlvmEnv, initLlvmEnv, clearVars, varLookup, varInsert,
-        funLookup, funInsert,
+        funLookup, funInsert, getLlvmVer, setLlvmVer,
 
         cmmToLlvmType, widthToLlvmFloat, widthToLlvmInt, llvmFunTy,
         llvmFunSig, llvmStdFunAttrs, llvmFunAlign, llvmInfAlign,
-        llvmPtrBits, llvmGhcCC,
+        llvmPtrBits, mkLlvmFunc, tysToParams,
 
         strCLabel_llvm, genCmmLabelRef, genStringLabelRef
 
@@ -25,14 +27,14 @@ module LlvmCodeGen.Base (
 import Llvm
 import LlvmCodeGen.Regs
 
-import CgUtils ( activeStgRegs )
 import CLabel
-import Cmm
-
+import CgUtils ( activeStgRegs )
+import Constants
 import FastString
+import OldCmm
 import qualified Outputable as Outp
-import Unique
 import UniqFM
+import Unique
 
 -- ----------------------------------------------------------------------------
 -- * Some Data Types
@@ -42,7 +44,7 @@ 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 +84,34 @@ 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]
@@ -110,37 +121,59 @@ 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
 
+-- ----------------------------------------------------------------------------
+-- * Llvm Version
+--
+
+-- | LLVM Version Number
+type LlvmVersion = Int
+
+-- | The LLVM Version we assume if we don't know
+defaultLlvmVersion :: LlvmVersion
+defaultLlvmVersion = 28
 
 -- ----------------------------------------------------------------------------
 -- * Environment Handling
 --
 
-type LlvmEnvMap = UniqFM LlvmType
 -- two maps, one for functions and one for local vars.
-type LlvmEnv = (LlvmEnvMap, LlvmEnvMap)
+newtype LlvmEnv = LlvmEnv (LlvmEnvMap, LlvmEnvMap, LlvmVersion)
+type LlvmEnvMap = UniqFM LlvmType
 
 -- | Get initial Llvm environment.
 initLlvmEnv :: LlvmEnv
-initLlvmEnv = (emptyUFM, emptyUFM)
+initLlvmEnv = LlvmEnv (emptyUFM, emptyUFM, defaultLlvmVersion)
 
 -- | Clear variables from the environment.
 clearVars :: LlvmEnv -> LlvmEnv
-clearVars (e1, _) = (e1, emptyUFM)
+clearVars (LlvmEnv (e1, _, n)) = LlvmEnv (e1, emptyUFM, n)
 
 -- | Insert functions into the environment.
 varInsert, funInsert :: Uniquable key => key -> LlvmType -> LlvmEnv -> LlvmEnv
-varInsert s t (e1, e2) = (e1, addToUFM e2 s t)
-funInsert s t (e1, e2) = (addToUFM e1 s t, e2)
+varInsert s t (LlvmEnv (e1, e2, n)) = LlvmEnv (e1, addToUFM e2 s t, n)
+funInsert s t (LlvmEnv (e1, e2, n)) = LlvmEnv (addToUFM e1 s t, e2, n)
 
 -- | Lookup functions in the environment.
 varLookup, funLookup :: Uniquable key => key -> LlvmEnv -> Maybe LlvmType
-varLookup s (_, e2) = lookupUFM e2 s
-funLookup s (e1, _) = lookupUFM e1 s
+varLookup s (LlvmEnv (_, e2, _)) = lookupUFM e2 s
+funLookup s (LlvmEnv (e1, _, _)) = lookupUFM e1 s
+
+-- | Get the LLVM version we are generating code for
+getLlvmVer :: LlvmEnv -> LlvmVersion
+getLlvmVer (LlvmEnv (_, _, n)) = n
 
+-- | Set the LLVM version we are generating code for
+setLlvmVer :: LlvmVersion -> LlvmEnv -> LlvmEnv
+setLlvmVer n (LlvmEnv (e1, e2, _)) = LlvmEnv (e1, e2, n)
 
 -- ----------------------------------------------------------------------------
 -- * Label handling