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7c544be9d1
And for sret args too, except for MSVC targets. At least on Win64, the sret align attributes lead to ICEs for std.bitmanip and std.uni (release only), when computing the known alignment in the LLVM inliner pass: Assertion failed: I->getParent()->getParent() == Q.CxtI->getParent()->getParent() && "Got assumption for the wrong function!", file C:\LDC\llvm\lib\Analysis\ValueTracking.cpp, line 711
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
//===-- attributes.cpp ----------------------------------------------------===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gen/attributes.h"
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#include "gen/irstate.h"
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bool AttrBuilder::hasAttributes() const { return builder.hasAttributes(); }
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bool AttrBuilder::contains(LLAttribute attribute) const {
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return builder.contains(attribute);
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}
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AttrBuilder &AttrBuilder::clear() {
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builder.clear();
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return *this;
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}
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AttrBuilder &AttrBuilder::add(LLAttribute attribute) {
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// never set 'None' explicitly
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if (attribute) {
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builder.addAttribute(attribute);
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}
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return *this;
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}
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AttrBuilder &AttrBuilder::remove(LLAttribute attribute) {
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// never remove 'None' explicitly
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if (attribute) {
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builder.removeAttribute(attribute);
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}
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return *this;
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}
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AttrBuilder &AttrBuilder::merge(const AttrBuilder &other) {
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builder.merge(other.builder);
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return *this;
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}
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AttrBuilder &AttrBuilder::addAlignment(unsigned alignment) {
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builder.addAlignmentAttr(alignment);
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return *this;
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}
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AttrBuilder &AttrBuilder::addByVal(unsigned alignment) {
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builder.addAttribute(LLAttribute::ByVal);
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if (alignment != 0) {
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builder.addAlignmentAttr(alignment);
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}
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return *this;
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}
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AttrSet::AttrSet(const AttrSet &base, unsigned index, LLAttribute attribute)
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: set(base.set.addAttribute(gIR->context(), index, attribute)) {}
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AttrSet
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AttrSet::extractFunctionAndReturnAttributes(const llvm::Function *function) {
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AttrSet r;
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llvm::AttributeSet old = function->getAttributes();
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llvm::AttributeSet existingAttrs[] = {old.getFnAttributes(),
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old.getRetAttributes()};
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r.set = llvm::AttributeSet::get(gIR->context(), existingAttrs);
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return r;
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}
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AttrSet &AttrSet::add(unsigned index, const AttrBuilder &builder) {
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if (builder.hasAttributes()) {
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auto as = llvm::AttributeSet::get(gIR->context(), index, builder);
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set = set.addAttributes(gIR->context(), index, as);
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}
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return *this;
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}
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AttrSet &AttrSet::merge(const AttrSet &other) {
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auto &os = other.set;
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for (unsigned i = 0; i < os.getNumSlots(); ++i) {
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unsigned index = os.getSlotIndex(i);
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set = set.addAttributes(gIR->context(), index, os.getSlotAttributes(i));
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}
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return *this;
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}
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