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Add support to encode function's template parameters.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128947 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-04-05 22:52:06 +00:00
parent 76634dfabb
commit da19475328
5 changed files with 27 additions and 7 deletions
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10
docs/SourceLevelDebugging.html
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@ -441,6 +441,7 @@ global variables are collected by named metadata <tt>!llvm.dbg.gv</tt>.</p>
i1 ;; isArtificial
i1 ;; isOptimized
Function *;; Pointer to LLVM function
metadata ;; Lists function template parameters
}
</pre>
</div>
@ -1200,7 +1201,14 @@ int main(int argc, char *argv[]) {
i32 1, ;; Line number
metadata !4, ;; Type
i1 false, ;; Is local
i1 true ;; Is definition
i1 true, ;; Is definition
i32 0, ;; Virtuality attribute, e.g. pure virtual function
i32 0, ;; Index into virtual table for C++ methods
i32 0, ;; Type that holds virtual table.
i32 0, ;; Flags
i1 false, ;; True if this function is optimized
Function *, ;; Pointer to llvm::Function
null ;; Function template parameters
}
;;
;; Define the subprogram itself.

8
include/llvm/Analysis/DIBuilder.h
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@ -368,6 +368,7 @@ namespace llvm {
/// This flags are used to emit dwarf attributes.
/// @param isOptimized True if optimization is ON.
/// @param Fn llvm::Function pointer.
/// @param TParam Function template parameters.
DISubprogram createFunction(DIDescriptor Scope, StringRef Name,
StringRef LinkageName,
DIFile File, unsigned LineNo,
@ -375,7 +376,8 @@ namespace llvm {
bool isDefinition,
unsigned Flags = 0,
bool isOptimized = false,
Function *Fn = 0);
Function *Fn = 0,
MDNode *TParam = 0);
/// createMethod - Create a new descriptor for the specified C++ method.
/// See comments in DISubprogram for descriptions of these fields.
@ -395,6 +397,7 @@ namespace llvm {
/// This flags are used to emit dwarf attributes.
/// @param isOptimized True if optimization is ON.
/// @param Fn llvm::Function pointer.
/// @param TParam Function template parameters.
DISubprogram createMethod(DIDescriptor Scope, StringRef Name,
StringRef LinkageName,
DIFile File, unsigned LineNo,
@ -404,7 +407,8 @@ namespace llvm {
MDNode *VTableHolder = 0,
unsigned Flags = 0,
bool isOptimized = false,
Function *Fn = 0);
Function *Fn = 0,
MDNode *TParam = 0);
/// createNameSpace - This creates new descriptor for a namespace
/// with the specified parent scope.

1
include/llvm/Analysis/DebugInfo.h
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@ -511,6 +511,7 @@ namespace llvm {
bool describes(const Function *F);
Function *getFunction() const { return getFunctionField(16); }
DIArray getTemplateParams() const { return getFieldAs<DIArray>(17); }
};
/// DIGlobalVariable - This is a wrapper for a global variable.

12
lib/Analysis/DIBuilder.cpp
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@ -642,7 +642,8 @@ DISubprogram DIBuilder::createFunction(DIDescriptor Context,
DIType Ty,
bool isLocalToUnit, bool isDefinition,
unsigned Flags, bool isOptimized,
Function *Fn) {
Function *Fn,
MDNode *TParams) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
@ -660,7 +661,8 @@ DISubprogram DIBuilder::createFunction(DIDescriptor Context,
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
Fn
Fn,
TParams
};
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
@ -682,7 +684,8 @@ DISubprogram DIBuilder::createMethod(DIDescriptor Context,
MDNode *VTableHolder,
unsigned Flags,
bool isOptimized,
Function *Fn) {
Function *Fn,
MDNode *TParam) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
@ -700,7 +703,8 @@ DISubprogram DIBuilder::createMethod(DIDescriptor Context,
VTableHolder,
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
Fn
Fn,
TParam,
};
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));

3
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1455,6 +1455,9 @@ DIE *DwarfDebug::createSubprogramDIE(DISubprogram SP) {
addUInt(SPDie, dwarf::DW_AT_APPLE_isa, dwarf::DW_FORM_flag, isa);
}
// Add function template parameters.
addTemplateParams(*SPDie, SP.getTemplateParams());
// DW_TAG_inlined_subroutine may refer to this DIE.
SPCU->insertDIE(SP, SPDie);