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Add FunctionEmitContext::SmearScalar() method (and use it).

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This commit is contained in:
Matt Pharr
2011-11-03 16:07:36 -07:00
parent 7d6f89c8d2
commit d528533fba
3 changed files with 41 additions and 10 deletions
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27
ctx.cpp
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@@ -1107,6 +1107,33 @@ FunctionEmitContext::CmpInst(llvm::Instruction::OtherOps inst,
}
llvm::Value *
FunctionEmitContext::SmearScalar(llvm::Value *value, const char *name) {
if (value == NULL) {
assert(m->errorCount > 0);
return NULL;
}
llvm::Value *ret = NULL;
LLVM_TYPE_CONST llvm::Type *eltType = value->getType();
LLVM_TYPE_CONST llvm::PointerType *pt =
llvm::dyn_cast<LLVM_TYPE_CONST llvm::PointerType>(eltType);
if (pt != NULL)
ret = llvm::UndefValue::get(llvm::ArrayType::get(eltType,
g->target.vectorWidth));
else
ret = llvm::UndefValue::get(llvm::VectorType::get(eltType,
g->target.vectorWidth));
for (int i = 0; i < g->target.vectorWidth; ++i) {
llvm::Twine n = llvm::Twine("smear.") + llvm::Twine(name ? name : "") +
llvm::Twine(i);
ret = InsertInst(ret, value, i, n.str().c_str());
}
return ret;
}
llvm::Value *
FunctionEmitContext::BitCastInst(llvm::Value *value, LLVM_TYPE_CONST llvm::Type *type,
const char *name) {