From 7597b95e39f7bc89a8d8825a448c6c2e875078ac Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Thu, 28 Aug 2025 15:24:19 +0900 Subject: [PATCH] AMDGPU: Add debug print to load/store opt for agpr case --- llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp b/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp index 6f2ea8ad1ff01..263f7127fbf10 100644 --- a/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp +++ b/llvm/lib/Target/AMDGPU/SILoadStoreOptimizer.cpp @@ -2466,6 +2466,9 @@ SILoadStoreOptimizer::collectMergeableInsts( continue; if (CI.InstClass == DS_WRITE && CI.IsAGPR) { + LLVM_DEBUG( + dbgs() << "cannot merge ds writes with mixed AGPR and VGPR data\n"); + // FIXME: nothing is illegal in a ds_write2 opcode with two AGPR data // operands. However we are reporting that ds_write2 shall have // only VGPR data so that machine copy propagation does not