[PATCH] D154741: [llvm] Allow SMLoc to be used in constexpr context
wren romano via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 7 12:49:46 PDT 2023
wrengr created this revision.
wrengr added reviewers: aartbik, bixia, Peiming, yinying-lisa-li, rriddle, mehdi_amini, jpienaar, dcaballe.
Herald added subscribers: bviyer, hanchung, jsetoain, Moerafaat, zero9178, bzcheeseman, sdasgup3, wenzhicui, cota, teijeong, rdzhabarov, tatianashp, msifontes, jurahul, Kayjukh, grosul1, Joonsoo, liufengdb, mgester, arpith-jacob, antiagainst, shauheen.
Herald added a project: All.
wrengr requested review of this revision.
Herald added a reviewer: nicolasvasilache.
Herald added subscribers: llvm-commits, stephenneuendorffer, nicolasvasilache.
Herald added projects: MLIR, LLVM.
Since `StringRef::empty` can be used in constexpr context, it seems reasonable that `SMLoc::isValid` should be too. The default-ctor and `operator==` are made constexpr for consistency.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D154741
Files:
llvm/include/llvm/Support/SMLoc.h
mlir/lib/Dialect/SparseTensor/IR/Detail/Var.h
Index: mlir/lib/Dialect/SparseTensor/IR/Detail/Var.h
===================================================================
--- mlir/lib/Dialect/SparseTensor/IR/Detail/Var.h
+++ mlir/lib/Dialect/SparseTensor/IR/Detail/Var.h
@@ -356,9 +356,9 @@
std::optional<Var::Num> n = {})
: name(name), loc(loc), id(id), num(n), kind(vk) {
assert(!name.empty() && "null StringRef");
+ assert(loc.isValid() && "null SMLoc");
assert(isWF(vk) && "unknown VarKind");
assert((!n || Var::isWF_Num(*n)) && "Var::Num is too large");
- // NOTE TO Wren: windows did not like loc.isValid constexpr
}
constexpr StringRef getName() const { return name; }
Index: llvm/include/llvm/Support/SMLoc.h
===================================================================
--- llvm/include/llvm/Support/SMLoc.h
+++ llvm/include/llvm/Support/SMLoc.h
@@ -24,14 +24,14 @@
const char *Ptr = nullptr;
public:
- SMLoc() = default;
+ constexpr SMLoc() = default;
- bool isValid() const { return Ptr != nullptr; }
+ constexpr bool isValid() const { return Ptr != nullptr; }
- bool operator==(const SMLoc &RHS) const { return RHS.Ptr == Ptr; }
- bool operator!=(const SMLoc &RHS) const { return RHS.Ptr != Ptr; }
+ constexpr bool operator==(const SMLoc &RHS) const { return RHS.Ptr == Ptr; }
+ constexpr bool operator!=(const SMLoc &RHS) const { return RHS.Ptr != Ptr; }
- const char *getPointer() const { return Ptr; }
+ constexpr const char *getPointer() const { return Ptr; }
static SMLoc getFromPointer(const char *Ptr) {
SMLoc L;
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D154741.538234.patch
Type: text/x-patch
Size: 1577 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20230707/d7252416/attachment.bin>
More information about the llvm-commits
mailing list