From 3c998e2fc02c6ca7869c586cbf2e1cbb7ea3c7bf Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Sun, 16 Aug 2026 01:59:50 +0800 Subject: [GlobalISel] Propagate no-fp-except flags --- .../lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'backend/lib/Target/RISCV') diff --git a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp index 099de83..62c10af 100644 --- a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp +++ b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp @@ -660,6 +660,9 @@ private: auto Built = Pending->build(); if (!Built) return std::unexpected(Built.error()); + auto FlagPropagation = propagateSelectionFlags(**Built, Anchor, Builder.target()); + if (!FlagPropagation) + return std::unexpected(FlagPropagation.error()); auto Constraint = constrainSelectedInstruction(**Built, Builder.function(), Builder.target()); if (!Constraint) return std::unexpected(Constraint.error()); @@ -691,6 +694,9 @@ private: auto Built = Pending->build(); if (!Built) return std::unexpected(Built.error()); + auto FlagPropagation = propagateSelectionFlags(**Built, Anchor, Builder.target()); + if (!FlagPropagation) + return std::unexpected(FlagPropagation.error()); auto Constraint = constrainSelectedInstruction(**Built, Builder.function(), Builder.target()); if (!Constraint) return std::unexpected(Constraint.error()); @@ -719,6 +725,9 @@ private: auto Built = Pending->build(); if (!Built) return std::unexpected(Built.error()); + auto FlagPropagation = propagateSelectionFlags(**Built, Anchor, Builder.target()); + if (!FlagPropagation) + return std::unexpected(FlagPropagation.error()); auto Constraint = constrainSelectedInstruction(**Built, Builder.function(), Builder.target()); if (!Constraint) return std::unexpected(Constraint.error()); @@ -750,6 +759,9 @@ private: auto Built = Pending->build(); if (!Built) return std::unexpected(Built.error()); + auto FlagPropagation = propagateSelectionFlags(**Built, Anchor, Builder.target()); + if (!FlagPropagation) + return std::unexpected(FlagPropagation.error()); auto Constraint = constrainSelectedInstruction(**Built, Builder.function(), Builder.target()); if (!Constraint) return std::unexpected(Constraint.error()); @@ -823,6 +835,9 @@ private: auto Built = Pending->build(); if (!Built) return std::unexpected(Built.error()); + auto FlagPropagation = propagateSelectionFlags(**Built, Anchor, Builder.target()); + if (!FlagPropagation) + return std::unexpected(FlagPropagation.error()); auto Constraint = constrainSelectedInstruction(**Built, Builder.function(), Builder.target()); if (!Constraint) return std::unexpected(Constraint.error()); -- cgit v1.2.3