[libFuzzer] extend the weak memcmp/strcmp/strncmp interceptors to receive the result...

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

diff --git a/utils/llvm.grm b/utils/llvm.grm
index c5a40cee00f11e9918c5d0bf0bbf7db15973a0bc..92a4053173d64f87b08460cc956d83a0e46da449 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 ;


@@ -69,7 +72,7 @@ FPType  ::= float | double | "ppc_fp128" | fp128 | "x86_fp80";
 LocalName ::= LOCALVAR | STRINGCONSTANT | PCTSTRINGCONSTANT ;
 OptLocalName ::= LocalName | _ ;
 
 LocalName ::= LOCALVAR | STRINGCONSTANT | PCTSTRINGCONSTANT ;
 OptLocalName ::= LocalName | _ ;
 

-OptAddrSpace ::= - addrspace "(" ^ EUINT64VAL ^ ")" | _ ;
+OptAddrSpace ::= - addrspace ^ "(" ^ EUINT64VAL ^ ")" | _ ;

 
 OptLocalAssign ::= LocalName "=" | _ ;
 
 
 OptLocalAssign ::= LocalName "=" | _ ;
 


@@ -82,10 +85,13 @@ GlobalAssign ::= GlobalName "=" ;
 GVInternalLinkage
   ::= + internal
  | weak
 GVInternalLinkage
   ::= + internal
  | weak

+ | "weak_odr"

  | linkonce
  | linkonce

+ | "linkonce_odr"

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

+ | private

  ;
 
 GVExternalLinkage
  ;
 
 GVExternalLinkage


@@ -111,11 +117,13 @@ 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 +134,7 @@ OptCallingConv ::= + _ |
                  cc EUINT64VAL ;
 
 ParamAttr ::= zeroext
                  cc EUINT64VAL ;
 
 ParamAttr ::= zeroext

- | zext

  | signext
  | signext

- | sext

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


@@ -157,11 +163,18 @@ FuncAttr      ::= noreturn
  | signext
  | readnone
  | readonly
  | signext
  | readnone
  | readonly

+ | inlinehint
+ | alignstack

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

+ | returns_twice
+ | nonlazybind
+ | sanitize_address
+ | sanitize_thread
+ | sanitize_memory

  ;
 
 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 ^ ")"


@@ -261,13 +272,12 @@ Definition
  | declare FunctionProto
  | - module asm AsmBlock
  | OptLocalAssign type Types
  | declare FunctionProto
  | - module asm AsmBlock
  | OptLocalAssign type Types

- | OptLocalAssign type void
- | OptGlobalAssign GVVisibilityStyle ThreadLocal GlobalType ConstVal
-   OptAddrSpace GlobalVarAttributes
- | OptGlobalAssign GVInternalLinkage GVVisibilityStyle ThreadLocal GlobalType
-   ConstVal OptAddrSpace GlobalVarAttributes
- | OptGlobalAssign GVExternalLinkage GVVisibilityStyle ThreadLocal GlobalType
-   Types OptAddrSpace GlobalVarAttributes
+ | OptGlobalAssign GVVisibilityStyle ThreadLocal OptAddrSpace GlobalType
+   ConstVal GlobalVarAttributes
+ | OptGlobalAssign GVInternalLinkage GVVisibilityStyle ThreadLocal OptAddrSpace
+   GlobalType ConstVal GlobalVarAttributes
+ | OptGlobalAssign GVExternalLinkage GVVisibilityStyle ThreadLocal OptAddrSpace
+   GlobalType Types GlobalVarAttributes

  | OptGlobalAssign GVVisibilityStyle alias AliasLinkage AliaseeRef
  | target TargetDefinition
  | deplibs "=" LibrariesDefinition
  | OptGlobalAssign GVVisibilityStyle alias AliasLinkage AliaseeRef
  | target TargetDefinition
  | deplibs "=" LibrariesDefinition


@@ -278,9 +288,9 @@ AsmBlock ::= STRINGCONSTANT ;
 TargetDefinition ::= triple "=" STRINGCONSTANT
  | datalayout "=" STRINGCONSTANT ;
 
 TargetDefinition ::= triple "=" STRINGCONSTANT
  | datalayout "=" STRINGCONSTANT ;
 

-LibrariesDefinition ::= "[" LibList "]";
+LibrariesDefinition ::= "[" ( LibList | _ ) "]";

 
 

-LibList ::= LibList ^ "," STRINGCONSTANT | STRINGCONSTANT | _ ;
+LibList ::= LibList ^ "," STRINGCONSTANT | STRINGCONSTANT ;

 
 ArgListH ::= ArgListH ^ "," Types OptParamAttrs OptLocalName
  | Types OptParamAttrs OptLocalName ;
 
 ArgListH ::= ArgListH ^ "," Types OptParamAttrs OptLocalName
  | Types OptParamAttrs OptLocalName ;


@@ -288,7 +298,7 @@ ArgListH ::= ArgListH ^ "," Types OptParamAttrs OptLocalName
 ArgList ::= ArgListH | ArgListH ^ "," "..." | "..." | _ ;
 
 FunctionHeaderH ::= OptCallingConv OptRetAttrs ResultTypes
 ArgList ::= ArgListH | ArgListH ^ "," "..." | "..." | _ ;
 
 FunctionHeaderH ::= OptCallingConv OptRetAttrs ResultTypes

-                  GlobalName "(" ^ ArgList ^ ")"
+                  GlobalName ^ "(" ^ ArgList ^ ")"

                   OptFuncAttrs OptSection OptAlign OptGC ;
 
 BEGIN ::= ( begin | "{" ) ^ "\n";
                   OptFuncAttrs OptSection OptAlign OptGC ;
 
 BEGIN ::= ( begin | "{" ) ^ "\n";


@@ -380,8 +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


@@ -394,6 +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


@@ -403,6 +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 ;