diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp index 1547142a8d5c6..ff4ccca079100 100644 --- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp +++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp @@ -1161,8 +1161,14 @@ void SIFoldOperandsImpl::foldOperand( if (OpToFold.isImm()) UseMI->getOperand(1).ChangeToImmediate(OpToFold.getImm()); - else + else if (OpToFold.isFI()) UseMI->getOperand(1).ChangeToFrameIndex(OpToFold.getIndex()); + else { + assert(OpToFold.isGlobal()); + UseMI->getOperand(1).ChangeToGA(OpToFold.getGlobal(), + OpToFold.getOffset(), + OpToFold.getTargetFlags()); + } UseMI->removeOperand(2); // Remove exec read (or src1 for readlane) return; } diff --git a/llvm/test/CodeGen/AMDGPU/swdev504645-global-fold.ll b/llvm/test/CodeGen/AMDGPU/swdev504645-global-fold.ll new file mode 100644 index 0000000000000..c4af66e922e8d --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/swdev504645-global-fold.ll @@ -0,0 +1,44 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 +; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 < %s | FileCheck %s + +define void @test_load_zext() { +; CHECK-LABEL: test_load_zext: +; CHECK: ; %bb.0: ; %.entry +; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) +; CHECK-NEXT: s_mov_b32 s0, s33 +; CHECK-NEXT: s_mov_b32 s33, s32 +; CHECK-NEXT: s_or_saveexec_b64 s[2:3], -1 +; CHECK-NEXT: scratch_store_dword off, v40, s33 ; 4-byte Folded Spill +; CHECK-NEXT: s_mov_b64 exec, s[2:3] +; CHECK-NEXT: s_add_i32 s32, s32, 16 +; CHECK-NEXT: v_writelane_b32 v40, s0, 2 +; CHECK-NEXT: s_getpc_b64 s[0:1] +; CHECK-NEXT: s_add_u32 s0, s0, has_spgr_args@gotpcrel32@lo+4 +; CHECK-NEXT: s_addc_u32 s1, s1, has_spgr_args@gotpcrel32@hi+12 +; CHECK-NEXT: s_load_dwordx2 s[2:3], s[0:1], 0x0 +; CHECK-NEXT: v_writelane_b32 v40, s30, 0 +; CHECK-NEXT: s_mov_b32 s0, DescriptorBuffer@abs32@lo +; CHECK-NEXT: v_writelane_b32 v40, s31, 1 +; CHECK-NEXT: s_waitcnt lgkmcnt(0) +; CHECK-NEXT: s_swappc_b64 s[30:31], s[2:3] +; CHECK-NEXT: v_readlane_b32 s31, v40, 1 +; CHECK-NEXT: v_readlane_b32 s30, v40, 0 +; CHECK-NEXT: s_mov_b32 s32, s33 +; CHECK-NEXT: v_readlane_b32 s0, v40, 2 +; CHECK-NEXT: s_or_saveexec_b64 s[2:3], -1 +; CHECK-NEXT: scratch_load_dword v40, off, s33 ; 4-byte Folded Reload +; CHECK-NEXT: s_mov_b64 exec, s[2:3] +; CHECK-NEXT: s_mov_b32 s33, s0 +; CHECK-NEXT: s_waitcnt vmcnt(0) +; CHECK-NEXT: s_setpc_b64 s[30:31] +.entry: + %reloc = call i32 @llvm.amdgcn.reloc.constant(metadata !0) + call void @has_spgr_args(i32 %reloc) + ret void +} + +declare void @has_spgr_args(i32 inreg) + +declare i32 @llvm.amdgcn.reloc.constant(metadata) #0 + +!0 = !{!"DescriptorBuffer", i32 4, i32 8, i32 0, i32 0}