llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-backend-amdgpu Author: Shilei Tian (shiltian) <details> <summary>Changes</summary> --- Full diff: https://github.com/llvm/llvm-project/pull/115505.diff 1 Files Affected: - (modified) llvm/lib/Target/AMDGPU/SIFrameLowering.cpp (+10-1) ``````````diff diff --git a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp index 13a2db7a87b437..8e3208abaec9a5 100644 --- a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp @@ -59,9 +59,18 @@ static MCRegister findScratchNonCalleeSaveRegister( if (Unused) return findUnusedRegister(MRI, LiveUnits, RC); + dbgs() << "--------\n"; + for (MCRegister Reg : RC) { - if (LiveUnits.available(Reg) && !MRI.isReserved(Reg)) + dbgs() << "reg " << Reg << " avail? " << LiveUnits.available(Reg) + << ", reserved? " << MRI.isReserved(Reg) << "\n"; + } + + for (MCRegister Reg : RC) { + if (LiveUnits.available(Reg) && !MRI.isReserved(Reg)) { + dbgs() << "--------choose reg " << Reg << '\n'; return Reg; + } } return MCRegister(); `````````` </details> https://github.com/llvm/llvm-project/pull/115505 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
