Compute a backwards SubReg -> SubRegIndex map for each register.

[oota-llvm.git] / utils / llvm.grm

diff --git a/utils/llvm.grm b/utils/llvm.grm
index 7025fbde3797713e427cea844335450cc7485730..322036b2c209083f208f3df8cbe1e4869a39d6ca 100644 (file)
--- a/utils/llvm.grm
+++ b/utils/llvm.grm
@@ -8,6 +8,8 @@ It is strictly syntax-based, and makes no attempt to generate
 IR that is semantically valid. Most of the IR produced doesn't
 pass the Verifier.
 
 IR that is semantically valid. Most of the IR produced doesn't
 pass the Verifier.
 

+TODO: Metadata, in all its forms
+

 *)
 
 I ::=   "title:    LLVM assembly language\n"
 *)
 
 I ::=   "title:    LLVM assembly language\n"


@@ -53,7 +55,8 @@ FPVAL               ::= ESAPINTVAL ^ "." ^ EUAPINTVAL | "0x" ^ HexDigitSeq ;
 The rest of this file is derived directly from llvmAsmParser.y.
 *)
 
 The rest of this file is derived directly from llvmAsmParser.y.
 *)
 

-ArithmeticOps ::= add | sub | mul | udiv | sdiv | fdiv | urem | srem | frem ;
+ArithmeticOps ::= + OptNW add | fadd | OptNW sub | fsub | OptNW mul | fmul |
+                  udiv | OptExact sdiv | fdiv | urem | srem | frem ;

 LogicalOps    ::= shl | lshr | ashr | and | or | xor;
 CastOps       ::= trunc | zext | sext | fptrunc | fpext | bitcast |
                   uitofp | sitofp | fptoui | fptosi | inttoptr | ptrtoint ;
 LogicalOps    ::= shl | lshr | ashr | and | or | xor;
 CastOps       ::= trunc | zext | sext | fptrunc | fpext | bitcast |
                   uitofp | sitofp | fptoui | fptosi | inttoptr | ptrtoint ;


@@ -82,10 +85,15 @@ GlobalAssign ::= GlobalName "=" ;
 GVInternalLinkage
   ::= + internal
  | weak
 GVInternalLinkage
   ::= + internal
  | weak

+ | "weak_odr"

  | linkonce
  | linkonce

+ | "linkonce_odr"

  | appending
  | dllexport
  | common
  | appending
  | dllexport
  | common

+ | private
+ | "linker_private"
+ | "linker_private_weak"

  ;
 
 GVExternalLinkage
  ;
 
 GVExternalLinkage


@@ -111,11 +119,13 @@ FunctionDefineLinkage
   ::= + _
  | internal
  | linkonce
   ::= + _
  | internal
  | linkonce

+ | "linkonce_odr"

  | weak
  | weak

+ | "weak_odr"

  | dllexport
  ;
 
  | dllexport
  ;
 

-AliasLinkage ::= + _ | weak | internal ;
+AliasLinkage ::= + _ | weak | "weak_odr" | internal ;

 
 OptCallingConv ::= + _ |
                  ccc |
 
 OptCallingConv ::= + _ |
                  ccc |


@@ -126,9 +136,7 @@ OptCallingConv ::= + _ |
                  cc EUINT64VAL ;
 
 ParamAttr ::= zeroext
                  cc EUINT64VAL ;
 
 ParamAttr ::= zeroext

- | zext

  | signext
  | signext

- | sext

  | inreg
  | sret
  | noalias
  | inreg
  | sret
  | noalias


@@ -157,11 +165,16 @@ FuncAttr      ::= noreturn
  | signext
  | readnone
  | readonly
  | signext
  | readnone
  | readonly

+ | inlinehint
+ | alignstack

  | noinline
  | alwaysinline
  | optsize
  | ssp
  | sspreq
  | noinline
  | alwaysinline
  | optsize
  | ssp
  | sspreq

+ | returns_twice
+ | nonlazybind
+ | address_safety

  ;
 
 OptFuncAttrs  ::= + _ | OptFuncAttrs FuncAttr ;
  ;
 
 OptFuncAttrs  ::= + _ | OptFuncAttrs FuncAttr ;


@@ -229,14 +242,12 @@ ConstVal::= Types "[" ^ ConstVector ^ "]"
  | Types FPVAL ;
 
 ConstExpr::= CastOps "(" ^ ConstVal to Types ^ ")"
  | Types FPVAL ;
 
 ConstExpr::= CastOps "(" ^ ConstVal to Types ^ ")"

- | getelementptr "(" ^ ConstVal IndexList ^ ")"
+ | getelementptr OptInBounds "(" ^ ConstVal IndexList ^ ")"

  | select "(" ^ ConstVal ^ "," ConstVal ^ "," ConstVal ^ ")"
  | ArithmeticOps "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | LogicalOps "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | icmp IPredicates "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | fcmp FPredicates "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | select "(" ^ ConstVal ^ "," ConstVal ^ "," ConstVal ^ ")"
  | ArithmeticOps "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | LogicalOps "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | icmp IPredicates "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | fcmp FPredicates "(" ^ ConstVal ^ "," ConstVal ^ ")"

- | vicmp IPredicates "(" ^ ConstVal ^ "," ConstVal ^ ")"
- | vfcmp FPredicates "(" ^ ConstVal ^ "," ConstVal ^ ")"

  | extractelement "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | insertelement "(" ^ ConstVal ^ "," ConstVal ^ "," ConstVal ^ ")"
  | shufflevector "(" ^ ConstVal ^ "," ConstVal ^ "," ConstVal ^ ")"
  | extractelement "(" ^ ConstVal ^ "," ConstVal ^ ")"
  | insertelement "(" ^ ConstVal ^ "," ConstVal ^ "," ConstVal ^ ")"
  | shufflevector "(" ^ ConstVal ^ "," ConstVal ^ "," ConstVal ^ ")"


@@ -379,8 +390,6 @@ InstVal ::=
  | LogicalOps Types ValueRef ^ "," ValueRef
  | icmp IPredicates Types ValueRef ^ "," ValueRef
  | fcmp FPredicates Types ValueRef ^ "," ValueRef
  | LogicalOps Types ValueRef ^ "," ValueRef
  | icmp IPredicates Types ValueRef ^ "," ValueRef
  | fcmp FPredicates Types ValueRef ^ "," ValueRef

- | vicmp IPredicates Types ValueRef ^ "," ValueRef
- | vfcmp FPredicates Types ValueRef ^ "," ValueRef

  | CastOps ResolvedVal to Types
  | select ResolvedVal ^ "," ResolvedVal ^ "," ResolvedVal
  | "va_arg" ResolvedVal ^ "," Types
  | CastOps ResolvedVal to Types
  | select ResolvedVal ^ "," ResolvedVal ^ "," ResolvedVal
  | "va_arg" ResolvedVal ^ "," Types


@@ -393,6 +402,11 @@ InstVal ::=
  | MemoryInst ;
 
 OptVolatile ::= - volatile | _ ;
  | MemoryInst ;
 
 OptVolatile ::= - volatile | _ ;

+OptExact ::= - exact | _ ;
+OptNSW ::= - nsw | _ ;
+OptNUW ::= - nuw | _ ;
+OptNW  ::= OptNUW OptNSW | OptNSW OptNUW ;
+OptInBounds  ::= - inbounds | _ ;

 
 MemoryInst ::= malloc Types OptCAlign
  | malloc Types ^ "," INTTYPE ValueRef OptCAlign
 
 MemoryInst ::= malloc Types OptCAlign
  | malloc Types ^ "," INTTYPE ValueRef OptCAlign


@@ -402,6 +416,6 @@ MemoryInst ::= malloc Types OptCAlign
  | OptVolatile load Types ValueRef OptCAlign
  | OptVolatile store ResolvedVal ^ "," Types ValueRef OptCAlign
  | getresult Types ValueRef ^ "," EUINT64VAL
  | OptVolatile load Types ValueRef OptCAlign
  | OptVolatile store ResolvedVal ^ "," Types ValueRef OptCAlign
  | getresult Types ValueRef ^ "," EUINT64VAL

- | getelementptr Types ValueRef IndexList
+ | getelementptr OptInBounds Types ValueRef IndexList

  | extractvalue Types ValueRef ^ ConstantIndexList 
  | insertvalue Types ValueRef ^ "," Types ValueRef ^ ConstantIndexList ;
  | extractvalue Types ValueRef ^ ConstantIndexList 
  | insertvalue Types ValueRef ^ "," Types ValueRef ^ ConstantIndexList ;