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Add support for 'unmasked' function qualifier.

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This commit is contained in:
Matt Pharr
2012-06-20 15:36:00 -07:00
parent 46716aada3
commit 007a734595
9 changed files with 91 additions and 53 deletions
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21
ctx.cpp
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@@ -3235,11 +3235,9 @@ FunctionEmitContext::CallInst(llvm::Value *func, const FunctionType *funcType,
SetInternalMask(callMask);
// bitcast the i32/64 function pointer to the actual function
// pointer type (the variant that includes a mask).
llvm::Type *llvmFuncType =
funcType->LLVMFunctionType(g->ctx, true);
llvm::Type *llvmFPtrType =
llvm::PointerType::get(llvmFuncType, 0);
// pointer type.
llvm::Type *llvmFuncType = funcType->LLVMFunctionType(g->ctx);
llvm::Type *llvmFPtrType = llvm::PointerType::get(llvmFuncType, 0);
llvm::Value *fptrCast = IntToPtrInst(fptr, llvmFPtrType);
// Call the function: callResult = call ftpr(args, args, call mask)
@@ -3344,7 +3342,6 @@ FunctionEmitContext::LaunchInst(llvm::Value *callee,
AssertPos(currentPos, llvm::StructType::classof(pt->getElementType()));
llvm::StructType *argStructType =
static_cast<llvm::StructType *>(pt->getElementType());
AssertPos(currentPos, argStructType->getNumElements() == argVals.size() + 1);
llvm::Function *falloc = m->module->getFunction("ISPCAlloc");
AssertPos(currentPos, falloc != NULL);
@@ -3371,11 +3368,13 @@ FunctionEmitContext::LaunchInst(llvm::Value *callee,
StoreInst(argVals[i], ptr);
}
// copy in the mask
llvm::Value *mask = GetFullMask();
llvm::Value *ptr = AddElementOffset(argmem, argVals.size(), NULL,
"funarg_mask");
StoreInst(mask, ptr);
if (argStructType->getNumElements() == argVals.size() + 1) {
// copy in the mask
llvm::Value *mask = GetFullMask();
llvm::Value *ptr = AddElementOffset(argmem, argVals.size(), NULL,
"funarg_mask");
StoreInst(mask, ptr);
}
// And emit the call to the user-supplied task launch function, passing
// a pointer to the task function being called and a pointer to the