[RISCV] Use getSignedConstant for negative values. (llvm#125903)

The APInt constructor asserts if bits are set past the size of the APInt unless it is signed. This currently fails on RV32 because more than XLen bits are set. (cherry picked from commit 0d7ee52)
redstar · Feb 6, 2025 · c08c9f9 · c08c9f9
1 parent 49a8fb2
commit c08c9f9
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Showing 3 changed files with 4 additions and 2 deletions.
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
diff --git a/llvm/test/CodeGen/RISCV/rvv/vp-combine-reverse-load.ll b/llvm/test/CodeGen/RISCV/rvv/vp-combine-reverse-load.ll
diff --git a/llvm/test/CodeGen/RISCV/rvv/vp-combine-store-reverse.ll b/llvm/test/CodeGen/RISCV/rvv/vp-combine-store-reverse.ll