llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-llvm-globalisel Author: Changpeng Fang (changpeng) <details> <summary>Changes</summary> getIConstantVRegValWithLookThrough could return NULL. --- Full diff: https://github.com/llvm/llvm-project/pull/71989.diff 1 Files Affected: - (modified) llvm/lib/CodeGen/GlobalISel/Utils.cpp (+3-3) ``````````diff diff --git a/llvm/lib/CodeGen/GlobalISel/Utils.cpp b/llvm/lib/CodeGen/GlobalISel/Utils.cpp index 473c3f452f8b1d9..eaf829f562b2dc9 100644 --- a/llvm/lib/CodeGen/GlobalISel/Utils.cpp +++ b/llvm/lib/CodeGen/GlobalISel/Utils.cpp @@ -1116,9 +1116,9 @@ std::optional<APInt> llvm::getIConstantSplatVal(const Register Reg, const MachineRegisterInfo &MRI) { if (auto SplatValAndReg = getAnyConstantSplat(Reg, MRI, /* AllowUndef */ false)) { - std::optional<ValueAndVReg> ValAndVReg = - getIConstantVRegValWithLookThrough(SplatValAndReg->VReg, MRI); - return ValAndVReg->Value; + if (std::optional<ValueAndVReg> ValAndVReg = + getIConstantVRegValWithLookThrough(SplatValAndReg->VReg, MRI)) + return ValAndVReg->Value; } return std::nullopt; `````````` </details> https://github.com/llvm/llvm-project/pull/71989 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
