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authorRichard-Qin-X <richard.qin.001@gmail.com>2026-08-09 13:23:48 +0800
committerRichard-Qin-X <richard.qin.001@gmail.com>2026-08-09 13:23:48 +0800
commitda8bc76b4bf7d1a7b025d6c8ef5809551467dcc7 (patch)
tree3b64eb08cd6376deceef2d7bac20eea5ce4de184 /backend/lib/CodeGen/MachineFrameInfo.cpp
parente5fdceb9b869f010a2a75638fd38aaf1867f3008 (diff)
downloadrcc-project-da8bc76b4bf7d1a7b025d6c8ef5809551467dcc7.tar.gz
rcc-project-da8bc76b4bf7d1a7b025d6c8ef5809551467dcc7.tar.xz
[CodeGen] Implement RV64GC frame lowering
Diffstat (limited to 'backend/lib/CodeGen/MachineFrameInfo.cpp')
-rw-r--r--backend/lib/CodeGen/MachineFrameInfo.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/backend/lib/CodeGen/MachineFrameInfo.cpp b/backend/lib/CodeGen/MachineFrameInfo.cpp
index a6f7a77..8c3e6e5 100644
--- a/backend/lib/CodeGen/MachineFrameInfo.cpp
+++ b/backend/lib/CodeGen/MachineFrameInfo.cpp
@@ -330,7 +330,7 @@ Expected<void> MachineFrameInfo::freeze(std::uint64_t Size, Alignment Align) {
if (Frozen)
return makeUnexpected(ErrorCode::InvalidArgument, "frame layout is already frozen");
for (const StackObject &Object : Objects) {
- if (Object.isTombstone() || Object.isVariableSized())
+ if (Object.isTombstone() || Object.description()->IsDead || Object.isVariableSized())
continue;
if (!Object.description()->Offset) {
return makeUnexpected(ErrorCode::VerificationError,
@@ -364,7 +364,8 @@ Expected<void> MachineFrameInfo::verify() const {
auto DescriptionResult = verifyDescription(*Object.description());
if (!DescriptionResult)
return std::unexpected(DescriptionResult.error());
- if (Frozen && !Object.isVariableSized() && !Object.description()->Offset) {
+ if (Frozen && !Object.description()->IsDead && !Object.isVariableSized() &&
+ !Object.description()->Offset) {
return makeUnexpected(ErrorCode::VerificationError,
"frozen fixed-size stack object has no final offset");
}