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Automatically generating intrinsic declarations from Dan Gohman. Modified

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to construct FunctionType in separate function, and, have getDeclaration
return a Function instead of a Constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34008 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2007-02-07 20:38:26 +00:00
parent 0d3382ac92
commit 95af592a63
5 changed files with 122 additions and 7 deletions
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19
lib/VMCore/Function.cpp
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@@ -183,6 +183,25 @@ const char *Intrinsic::getName(ID id) {
return Table[id];
}
const FunctionType *Intrinsic::getType(ID id) {
const Type *ResultTy = NULL;
std::vector<const Type*> ArgTys;
std::vector<FunctionType::ParameterAttributes> Attrs;
bool IsVarArg = false;
#define GET_INTRINSIC_GENERATOR
#include "llvm/Intrinsics.gen"
#undef GET_INTRINSIC_GENERATOR
return FunctionType::get(ResultTy, ArgTys, IsVarArg, Attrs);
}
Function *Intrinsic::getDeclaration(Module *M, ID id) {
// There can never be multiple globals with the same name of different types,
// because intrinsics must be a specific type.
return cast<Function>(M->getOrInsertFunction(getName(id), getType(id)));
}
Value *IntrinsicInst::StripPointerCasts(Value *Ptr) {
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ptr)) {
if (CE->getOpcode() == Instruction::BitCast) {