Author: Kito Cheng Date: 2025-03-07T11:15:20+08:00 New Revision: 55f86cf02336e0a1bce81403296cce6d4cfbb1e4
URL: https://github.com/llvm/llvm-project/commit/55f86cf02336e0a1bce81403296cce6d4cfbb1e4 DIFF: https://github.com/llvm/llvm-project/commit/55f86cf02336e0a1bce81403296cce6d4cfbb1e4.diff LOG: [RISCV][clang] Fix wrong VLS CC detection (#130107) RISCVABIInfo::detectVLSCCEligibleStruct should early exit if VLS calling convention is not used, however the sentinel value was not set to correctly, it should be zero instead of one. Added: clang/test/CodeGen/RISCV/pr129995.cc Modified: clang/lib/CodeGen/Targets/RISCV.cpp Removed: ################################################################################ diff --git a/clang/lib/CodeGen/Targets/RISCV.cpp b/clang/lib/CodeGen/Targets/RISCV.cpp index 081ae8a403111..5aa10ba41f5ed 100644 --- a/clang/lib/CodeGen/Targets/RISCV.cpp +++ b/clang/lib/CodeGen/Targets/RISCV.cpp @@ -389,7 +389,7 @@ ABIArgInfo RISCVABIInfo::coerceAndExpandFPCCEligibleStruct( bool RISCVABIInfo::detectVLSCCEligibleStruct(QualType Ty, unsigned ABIVLen, llvm::Type *&VLSType) const { // No riscv_vls_cc attribute. - if (ABIVLen == 1) + if (ABIVLen == 0) return false; // Legal struct for VLS calling convention should fulfill following rules: diff --git a/clang/test/CodeGen/RISCV/pr129995.cc b/clang/test/CodeGen/RISCV/pr129995.cc new file mode 100644 index 0000000000000..590c6b9fbdf96 --- /dev/null +++ b/clang/test/CodeGen/RISCV/pr129995.cc @@ -0,0 +1,24 @@ +// RUN: %clang_cc1 triple riscv64 -emit-llvm -target-feature +m -target-feature +v -target-abi lp64d -o /dev/null %s + +struct a { + using b = char __attribute__((vector_size(sizeof(char)))); +}; +class c { + using d = a::b; + d e; + +public: + static c f(); +}; +class g { +public: + template <class h> g(h); + friend g operator^(g, g) { c::f; } + friend g operator^=(g i, g j) { i ^ j; } +}; +template <typename, int> using k = g; +template <typename l> using m = k<l, sizeof(l)>; +void n() { + void o(); + m<char> p = o ^= p; +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
