; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -disable-separate-const-offset-from-gep=1 -amdgpu-use-sdag-ptradd=1 < %s | FileCheck --check-prefixes=GFX942,GFX942_PTRADD %s ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -disable-separate-const-offset-from-gep=1 -amdgpu-use-sdag-ptradd=0 < %s | FileCheck --check-prefixes=GFX942,GFX942_LEGACY %s ; Tests for DAG combines and folds related to the ISD::PTRADD SelectionDAG ; opcode. The RUN lines uses -disable-separate-const-offset-from-gep to disable ; similar transformations in that pass. ; Tests reassociation (ptradd N0:(ptradd p, c1), z) where N0 has only one use. define i64 @global_load_ZTwoUses(ptr addrspace(1) %base, i64 %voffset) { ; GFX942-LABEL: global_load_ZTwoUses: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3] ; GFX942-NEXT: global_load_dwordx2 v[0:1], v[0:1], off offset:24 ; GFX942-NEXT: s_waitcnt vmcnt(0) ; GFX942-NEXT: v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3] ; GFX942-NEXT: s_setpc_b64 s[30:31] %gep0 = getelementptr inbounds i8, ptr addrspace(1) %base, i64 24 %gep1 = getelementptr inbounds i8, ptr addrspace(1) %gep0, i64 %voffset %l = load i64, ptr addrspace(1) %gep1, align 8 %r = add i64 %l, %voffset ret i64 %r } define i64 @global_load_gep_add_reassoc(ptr addrspace(1) %base, i64 %voffset) { ; GFX942_PTRADD-LABEL: global_load_gep_add_reassoc: ; GFX942_PTRADD: ; %bb.0: ; GFX942_PTRADD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942_PTRADD-NEXT: v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3] ; GFX942_PTRADD-NEXT: global_load_dwordx2 v[0:1], v[0:1], off offset:24 ; GFX942_PTRADD-NEXT: s_waitcnt vmcnt(0) ; GFX942_PTRADD-NEXT: s_setpc_b64 s[30:31] ; ; GFX942_LEGACY-LABEL: global_load_gep_add_reassoc: ; GFX942_LEGACY: ; %bb.0: ; GFX942_LEGACY-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942_LEGACY-NEXT: v_lshl_add_u64 v[0:1], v[2:3], 0, v[0:1] ; GFX942_LEGACY-NEXT: global_load_dwordx2 v[0:1], v[0:1], off offset:24 ; GFX942_LEGACY-NEXT: s_waitcnt vmcnt(0) ; GFX942_LEGACY-NEXT: s_setpc_b64 s[30:31] %add0 = add nuw nsw i64 %voffset, 24 %gep0 = getelementptr nuw inbounds i8, ptr addrspace(1) %base, i64 %add0 %l = load i64, ptr addrspace(1) %gep0, align 8 ret i64 %l } ; Tests reassociation (ptradd (ptradd p, c1), c2) with two constants. These ; would be folded away in most cases, but the index computation introduced by ; the legalization of wide vector stores can for example introduce them. define amdgpu_kernel void @store_v16i32(ptr addrspace(1) %out, <16 x i32> %a) { ; GFX942-LABEL: store_v16i32: ; GFX942: ; %bb.0: ; %entry ; GFX942-NEXT: s_load_dwordx16 s[8:23], s[4:5], 0x40 ; GFX942-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x0 ; GFX942-NEXT: v_mov_b32_e32 v0, 0 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: v_mov_b32_e32 v2, s20 ; GFX942-NEXT: v_mov_b32_e32 v3, s21 ; GFX942-NEXT: v_mov_b32_e32 v4, s22 ; GFX942-NEXT: v_mov_b32_e32 v5, s23 ; GFX942-NEXT: global_store_dwordx4 v0, v[2:5], s[0:1] offset:48 ; GFX942-NEXT: s_nop 1 ; GFX942-NEXT: v_mov_b32_e32 v2, s16 ; GFX942-NEXT: v_mov_b32_e32 v3, s17 ; GFX942-NEXT: v_mov_b32_e32 v4, s18 ; GFX942-NEXT: v_mov_b32_e32 v5, s19 ; GFX942-NEXT: global_store_dwordx4 v0, v[2:5], s[0:1] offset:32 ; GFX942-NEXT: s_nop 1 ; GFX942-NEXT: v_mov_b32_e32 v2, s12 ; GFX942-NEXT: v_mov_b32_e32 v3, s13 ; GFX942-NEXT: v_mov_b32_e32 v4, s14 ; GFX942-NEXT: v_mov_b32_e32 v5, s15 ; GFX942-NEXT: global_store_dwordx4 v0, v[2:5], s[0:1] offset:16 ; GFX942-NEXT: s_nop 1 ; GFX942-NEXT: v_mov_b32_e32 v2, s8 ; GFX942-NEXT: v_mov_b32_e32 v3, s9 ; GFX942-NEXT: v_mov_b32_e32 v4, s10 ; GFX942-NEXT: v_mov_b32_e32 v5, s11 ; GFX942-NEXT: global_store_dwordx4 v0, v[2:5], s[0:1] ; GFX942-NEXT: s_endpgm entry: store <16 x i32> %a, ptr addrspace(1) %out ret void } ; Tests the (ptradd 0, x) -> x DAG combine. define void @baseptr_null(i64 %offset, i8 %v) { ; GFX942-LABEL: baseptr_null: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: flat_store_byte v[0:1], v2 ; GFX942-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) ; GFX942-NEXT: s_setpc_b64 s[30:31] %gep = getelementptr i8, ptr null, i64 %offset store i8 %v, ptr %gep, align 1 ret void } ; Taken from implicit-kernarg-backend-usage.ll, tests the PTRADD handling in the ; assertalign DAG combine. define amdgpu_kernel void @llvm_amdgcn_queue_ptr(ptr addrspace(1) %ptr) { ; GFX942-LABEL: llvm_amdgcn_queue_ptr: ; GFX942: ; %bb.0: ; GFX942-NEXT: v_mov_b32_e32 v0, 0 ; GFX942-NEXT: global_load_ubyte v1, v0, s[2:3] sc0 sc1 ; GFX942-NEXT: global_load_ubyte v1, v0, s[4:5] offset:8 sc0 sc1 ; GFX942-NEXT: global_load_ubyte v1, v0, s[0:1] sc0 sc1 ; GFX942-NEXT: ; kill: killed $sgpr0_sgpr1 ; GFX942-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x0 ; GFX942-NEXT: v_mov_b64_e32 v[2:3], s[6:7] ; GFX942-NEXT: ; kill: killed $sgpr2_sgpr3 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: global_store_dwordx2 v0, v[2:3], s[0:1] sc0 sc1 ; GFX942-NEXT: s_waitcnt vmcnt(0) ; GFX942-NEXT: s_endpgm %queue.ptr = call ptr addrspace(4) @llvm.amdgcn.queue.ptr() %implicitarg.ptr = call ptr addrspace(4) @llvm.amdgcn.implicitarg.ptr() %dispatch.ptr = call ptr addrspace(4) @llvm.amdgcn.dispatch.ptr() %dispatch.id = call i64 @llvm.amdgcn.dispatch.id() %queue.load = load volatile i8, ptr addrspace(4) %queue.ptr %implicitarg.load = load volatile i8, ptr addrspace(4) %implicitarg.ptr %dispatch.load = load volatile i8, ptr addrspace(4) %dispatch.ptr store volatile i64 %dispatch.id, ptr addrspace(1) %ptr ret void } ; Taken from memcpy-param-combinations.ll, tests PTRADD handling in ; SelectionDAGAddressAnalysis. define void @memcpy_p1_p4_sz16_align_1_1(ptr addrspace(1) align 1 %dst, ptr addrspace(4) align 1 readonly %src) { ; GFX942-LABEL: memcpy_p1_p4_sz16_align_1_1: ; GFX942: ; %bb.0: ; %entry ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: global_load_dwordx4 v[2:5], v[2:3], off ; GFX942-NEXT: s_waitcnt vmcnt(0) ; GFX942-NEXT: global_store_dwordx4 v[0:1], v[2:5], off ; GFX942-NEXT: s_waitcnt vmcnt(0) ; GFX942-NEXT: s_setpc_b64 s[30:31] entry: tail call void @llvm.memcpy.p1.p4.i64(ptr addrspace(1) noundef nonnull align 1 %dst, ptr addrspace(4) noundef nonnull align 1 %src, i64 16, i1 false) ret void } ; Test skipping the lower-32-bit addition if it is unnecessary. define ptr @huge_offset_low_32_unused(ptr %p) { ; GFX942-LABEL: huge_offset_low_32_unused: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_add_u32_e32 v1, 1, v1 ; GFX942-NEXT: s_setpc_b64 s[30:31] %gep = getelementptr inbounds i8, ptr %p, i64 u0x100000000 ret ptr %gep } ; Reassociate address computation if it leads to more scalar operations. define amdgpu_kernel void @reassoc_scalar_r(ptr addrspace(1) %out, ptr addrspace(1) %p, i64 %soffset) { ; GFX942-LABEL: reassoc_scalar_r: ; GFX942: ; %bb.0: ; %entry ; GFX942-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0 ; GFX942-NEXT: s_load_dwordx2 s[6:7], s[4:5], 0x10 ; GFX942-NEXT: v_mov_b32_e32 v1, 0 ; GFX942-NEXT: v_and_b32_e32 v0, 0x3ff, v0 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: s_add_u32 s2, s2, s6 ; GFX942-NEXT: s_addc_u32 s3, s3, s7 ; GFX942-NEXT: v_lshl_add_u64 v[2:3], s[2:3], 0, v[0:1] ; GFX942-NEXT: global_store_dwordx2 v1, v[2:3], s[0:1] ; GFX942-NEXT: s_endpgm entry: %voffset32 = call i32 @llvm.amdgcn.workitem.id.x() %voffset = zext i32 %voffset32 to i64 %offset = add nuw nsw i64 %voffset, %soffset %gep = getelementptr i8, ptr addrspace(1) %p, i64 %offset store ptr addrspace(1) %gep, ptr addrspace(1) %out ret void } define amdgpu_kernel void @reassoc_scalar_l(ptr addrspace(1) %out, ptr addrspace(1) %p, i64 %soffset) { ; GFX942-LABEL: reassoc_scalar_l: ; GFX942: ; %bb.0: ; %entry ; GFX942-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0 ; GFX942-NEXT: s_load_dwordx2 s[6:7], s[4:5], 0x10 ; GFX942-NEXT: v_mov_b32_e32 v1, 0 ; GFX942-NEXT: v_and_b32_e32 v0, 0x3ff, v0 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: s_add_u32 s2, s2, s6 ; GFX942-NEXT: s_addc_u32 s3, s3, s7 ; GFX942-NEXT: v_lshl_add_u64 v[2:3], s[2:3], 0, v[0:1] ; GFX942-NEXT: global_store_dwordx2 v1, v[2:3], s[0:1] ; GFX942-NEXT: s_endpgm entry: %voffset32 = call i32 @llvm.amdgcn.workitem.id.x() %voffset = zext i32 %voffset32 to i64 %offset = add nuw nsw i64 %soffset, %voffset %gep = getelementptr i8, ptr addrspace(1) %p, i64 %offset store ptr addrspace(1) %gep, ptr addrspace(1) %out ret void } ; Tests the target-specific (ptradd x, shl(0 - y, k)) -> sub(x, shl(y, k)) fold define ptr addrspace(1) @shl_neg_offset(ptr addrspace(1) %p, i64 %noffset, i64 %shift) { ; GFX942-LABEL: shl_neg_offset: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_lshlrev_b64 v[2:3], v4, v[2:3] ; GFX942-NEXT: v_sub_co_u32_e32 v0, vcc, v0, v2 ; GFX942-NEXT: s_nop 1 ; GFX942-NEXT: v_subb_co_u32_e32 v1, vcc, v1, v3, vcc ; GFX942-NEXT: s_setpc_b64 s[30:31] %offset = sub i64 0, %noffset %x = shl i64 %offset, %shift %gep = getelementptr inbounds i8, ptr addrspace(1) %p, i64 %x ret ptr addrspace(1) %gep } %complextype = type { i64, [10 x i8], float } @v0 = dso_local addrspace(1) global %complextype zeroinitializer ; Check that offsets are folded into global addresses if possible. For example, ; this is relevant when using --amdgpu-lower-module-lds-strategy=table. define ptr addrspace(1) @complextype_global_gep(i64 %offset) { ; GFX942_PTRADD-LABEL: complextype_global_gep: ; GFX942_PTRADD: ; %bb.0: ; GFX942_PTRADD-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942_PTRADD-NEXT: s_getpc_b64 s[0:1] ; GFX942_PTRADD-NEXT: s_add_u32 s0, s0, v0@rel32@lo+14 ; GFX942_PTRADD-NEXT: s_addc_u32 s1, s1, v0@rel32@hi+22 ; GFX942_PTRADD-NEXT: v_lshl_add_u64 v[0:1], s[0:1], 0, v[0:1] ; GFX942_PTRADD-NEXT: s_setpc_b64 s[30:31] ; ; GFX942_LEGACY-LABEL: complextype_global_gep: ; GFX942_LEGACY: ; %bb.0: ; GFX942_LEGACY-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942_LEGACY-NEXT: s_getpc_b64 s[0:1] ; GFX942_LEGACY-NEXT: s_add_u32 s0, s0, v0@rel32@lo+14 ; GFX942_LEGACY-NEXT: s_addc_u32 s1, s1, v0@rel32@hi+22 ; GFX942_LEGACY-NEXT: v_lshl_add_u64 v[0:1], v[0:1], 0, s[0:1] ; GFX942_LEGACY-NEXT: s_setpc_b64 s[30:31] %gep0 = getelementptr inbounds %complextype, ptr addrspace(1) @v0, i64 0, i32 1, i64 %offset %gep1 = getelementptr inbounds i8, ptr addrspace(1) %gep0, i64 2 ret ptr addrspace(1) %gep1 } %S = type <{ float, double }> ; Tests the tryFoldToMad64_32 PTRADD combine. define amdgpu_kernel void @fold_mad64(ptr addrspace(1) %p) { ; GFX942-LABEL: fold_mad64: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x0 ; GFX942-NEXT: v_and_b32_e32 v0, 0x3ff, v0 ; GFX942-NEXT: v_mov_b32_e32 v2, 1.0 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: v_mad_u64_u32 v[0:1], s[0:1], v0, 12, s[0:1] ; GFX942-NEXT: global_store_dword v[0:1], v2, off ; GFX942-NEXT: s_endpgm %voffset32 = call i32 @llvm.amdgcn.workitem.id.x() %voffset = zext i32 %voffset32 to i64 %p1 = getelementptr inbounds %S, ptr addrspace(1) %p, i64 %voffset, i32 0 store float 1.0, ptr addrspace(1) %p1 ret void } ; Use non-zero shift amounts in v_lshl_add_u64. define ptr @select_v_lshl_add_u64(ptr %base, i64 %voffset) { ; GFX942-LABEL: select_v_lshl_add_u64: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_lshl_add_u64 v[0:1], v[2:3], 3, v[0:1] ; GFX942-NEXT: s_setpc_b64 s[30:31] %gep = getelementptr inbounds i64, ptr %base, i64 %voffset ret ptr %gep } ; Fold mul and add into v_mad, even if amdgpu-codegenprepare-mul24 turned the ; mul into a mul24. define ptr @fold_mul24_into_mad(ptr %base, i64 %a, i64 %b) { ; GFX942-LABEL: fold_mul24_into_mad: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_and_b32_e32 v2, 0xfffff, v2 ; GFX942-NEXT: v_and_b32_e32 v3, 0xfffff, v4 ; GFX942-NEXT: v_mad_u64_u32 v[0:1], s[0:1], v2, v3, v[0:1] ; GFX942-NEXT: s_setpc_b64 s[30:31] %a_masked = and i64 %a, u0xfffff %b_masked = and i64 %b, u0xfffff %mul = mul i64 %a_masked, %b_masked %gep = getelementptr inbounds i8, ptr %base, i64 %mul ret ptr %gep } ; Test PTRADD handling in AMDGPUDAGToDAGISel::SelectGlobalSAddr. define amdgpu_kernel void @uniform_base_varying_offset_imm(ptr addrspace(1) %p) { ; GFX942-LABEL: uniform_base_varying_offset_imm: ; GFX942: ; %bb.0: ; %entry ; GFX942-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x0 ; GFX942-NEXT: v_and_b32_e32 v0, 0x3ff, v0 ; GFX942-NEXT: v_lshlrev_b32_e32 v0, 2, v0 ; GFX942-NEXT: v_mov_b32_e32 v1, 1 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: global_store_dword v0, v1, s[0:1] offset:16 ; GFX942-NEXT: s_endpgm entry: %tid = call i32 @llvm.amdgcn.workitem.id.x() %shift = shl i32 %tid, 2 %voffset = zext i32 %shift to i64 %gep1 = getelementptr inbounds i8, ptr addrspace(1) %p, i64 %voffset %gep2 = getelementptr inbounds i8, ptr addrspace(1) %gep1, i64 16 store i32 1, ptr addrspace(1) %gep2 ret void } ; Adjusted from global-saddr-load.ll. Tests PTRADD handling in ; AMDGPUDAGToDAGISel::SelectSMRDBaseOffset. define amdgpu_kernel void @global_load_saddr_i32_uniform_offset(ptr addrspace(1) %sbase, i32 %soffset, ptr addrspace(1) %r) { ; GFX942-LABEL: global_load_saddr_i32_uniform_offset: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x0 ; GFX942-NEXT: s_load_dword s6, s[4:5], 0x8 ; GFX942-NEXT: s_load_dwordx2 s[2:3], s[4:5], 0x10 ; GFX942-NEXT: v_mov_b32_e32 v0, 0 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: s_load_dword s0, s[0:1], s6 offset:0x0 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: v_mov_b32_e32 v1, s0 ; GFX942-NEXT: global_store_dword v0, v1, s[2:3] ; GFX942-NEXT: s_endpgm %zext.offset = zext i32 %soffset to i64 %gep0 = getelementptr inbounds i8, ptr addrspace(1) %sbase, i64 %zext.offset %load = load i32, ptr addrspace(1) %gep0 %to.vgpr = bitcast i32 %load to float store float %to.vgpr, ptr addrspace(1) %r ret void } ; Adjusted from llvm.amdgcn.global.load.lds.ll, tests the offset lowering for ; Intrinsic::amdgcn_global_load_lds. define void @global_load_lds_dword_saddr_and_vaddr(ptr addrspace(1) nocapture inreg %gptr, ptr addrspace(3) nocapture %lptr, i32 %voffset) { ; GFX942-LABEL: global_load_lds_dword_saddr_and_vaddr: ; GFX942: ; %bb.0: ; %main_body ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_readfirstlane_b32 s2, v0 ; GFX942-NEXT: s_mov_b32 m0, s2 ; GFX942-NEXT: s_nop 0 ; GFX942-NEXT: global_load_lds_dword v1, s[0:1] offset:48 sc1 ; GFX942-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) ; GFX942-NEXT: s_setpc_b64 s[30:31] main_body: %voffset.64 = zext i32 %voffset to i64 %gep = getelementptr i8, ptr addrspace(1) %gptr, i64 %voffset.64 call void @llvm.amdgcn.global.load.lds(ptr addrspace(1) %gep, ptr addrspace(3) %lptr, i32 4, i32 48, i32 16) ret void } ; Taken from shl_add_ptr_global.ll, tests PTRADD handling in ; SITargetLowering::performSHLPtrCombine. define void @shl_base_global_ptr_global_atomic_fadd(ptr addrspace(1) %out, ptr addrspace(1) %extra.use, ptr addrspace(1) %ptr) { ; GFX942-LABEL: shl_base_global_ptr_global_atomic_fadd: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_lshlrev_b64 v[0:1], 2, v[4:5] ; GFX942-NEXT: v_mov_b32_e32 v6, 0x42c80000 ; GFX942-NEXT: global_atomic_add_f32 v[0:1], v6, off offset:512 ; GFX942-NEXT: s_mov_b64 s[0:1], 0x80 ; GFX942-NEXT: v_lshl_add_u64 v[0:1], v[4:5], 0, s[0:1] ; GFX942-NEXT: global_store_dwordx2 v[2:3], v[0:1], off sc0 sc1 ; GFX942-NEXT: s_waitcnt vmcnt(0) ; GFX942-NEXT: s_setpc_b64 s[30:31] %arrayidx0 = getelementptr inbounds [512 x i32], ptr addrspace(1) %ptr, i64 0, i64 32 %cast = ptrtoint ptr addrspace(1) %arrayidx0 to i64 %shl = shl i64 %cast, 2 %castback = inttoptr i64 %shl to ptr addrspace(1) %unused = atomicrmw fadd ptr addrspace(1) %castback, float 100.0 syncscope("agent") monotonic, align 4, !amdgpu.no.fine.grained.memory !0, !amdgpu.ignore.denormal.mode !0 store volatile i64 %cast, ptr addrspace(1) %extra.use, align 4 ret void } ; Test PTRADD handling in TargetLowering::SimplifyDemandedBits and ; TargetLowering::ShrinkDemandedOp. define i32 @gep_in_const_as_cast_to_const32_as(ptr addrspace(4) %src, i64 %offset) { ; GFX942-LABEL: gep_in_const_as_cast_to_const32_as: ; GFX942: ; %bb.0: ; %entry ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_add_u32_e32 v0, v0, v2 ; GFX942-NEXT: s_mov_b32 s1, 0 ; GFX942-NEXT: v_readfirstlane_b32 s0, v0 ; GFX942-NEXT: s_load_dword s0, s[0:1], 0x0 ; GFX942-NEXT: s_waitcnt lgkmcnt(0) ; GFX942-NEXT: v_mov_b32_e32 v0, s0 ; GFX942-NEXT: s_setpc_b64 s[30:31] entry: %gep = getelementptr i8, ptr addrspace(4) %src, i64 %offset %gep.cast = addrspacecast ptr addrspace(4) %gep to ptr addrspace(6) %l = load i32, ptr addrspace(6) %gep.cast ret i32 %l } @CG = addrspace(4) constant [16 x i32] zeroinitializer, align 4 ; Test PTRADD handling in isMemSrcFromConstant. define void @replace_const0_memcpy_by_memset(ptr align 4 %dst) { ; GFX942-LABEL: replace_const0_memcpy_by_memset: ; GFX942: ; %bb.0: ; %entry ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_mov_b32_e32 v2, 0 ; GFX942-NEXT: v_mov_b32_e32 v3, v2 ; GFX942-NEXT: flat_store_dwordx2 v[0:1], v[2:3] ; GFX942-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) ; GFX942-NEXT: s_setpc_b64 s[30:31] entry: %gep = getelementptr i8, ptr addrspace(4) @CG, i64 4 tail call void @llvm.memcpy.p0.p4.i64(ptr noundef nonnull align 4 %dst, ptr addrspace(4) noundef nonnull align 4 %gep, i64 8, i1 false) ret void } ; Check that ptradds can be lowered to disjoint ORs. define ptr @gep_disjoint_or(ptr %base) { ; GFX942-LABEL: gep_disjoint_or: ; GFX942: ; %bb.0: ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX942-NEXT: v_and_or_b32 v0, v0, -16, 4 ; GFX942-NEXT: s_setpc_b64 s[30:31] %p = call ptr @llvm.ptrmask(ptr %base, i64 s0xf0) %gep = getelementptr nuw inbounds i8, ptr %p, i64 4 ret ptr %gep } ; Check that AssertAlign nodes between ptradd nodes don't block offset folding, ; taken from preload-implicit-kernargs.ll define amdgpu_kernel void @random_incorrect_offset(ptr addrspace(1) inreg %out) { ; GFX942_PTRADD-LABEL: random_incorrect_offset: ; GFX942_PTRADD: ; %bb.1: ; GFX942_PTRADD-NEXT: s_load_dwordx2 s[8:9], s[4:5], 0x0 ; GFX942_PTRADD-NEXT: s_waitcnt lgkmcnt(0) ; GFX942_PTRADD-NEXT: s_branch .LBB21_0 ; GFX942_PTRADD-NEXT: .p2align 8 ; GFX942_PTRADD-NEXT: ; %bb.2: ; GFX942_PTRADD-NEXT: .LBB21_0: ; GFX942_PTRADD-NEXT: s_load_dword s0, s[4:5], 0xa ; GFX942_PTRADD-NEXT: v_mov_b32_e32 v0, 0 ; GFX942_PTRADD-NEXT: s_waitcnt lgkmcnt(0) ; GFX942_PTRADD-NEXT: v_mov_b32_e32 v1, s0 ; GFX942_PTRADD-NEXT: global_store_dword v0, v1, s[8:9] ; GFX942_PTRADD-NEXT: s_endpgm ; ; GFX942_LEGACY-LABEL: random_incorrect_offset: ; GFX942_LEGACY: ; %bb.1: ; GFX942_LEGACY-NEXT: s_load_dwordx2 s[8:9], s[4:5], 0x0 ; GFX942_LEGACY-NEXT: s_waitcnt lgkmcnt(0) ; GFX942_LEGACY-NEXT: s_branch .LBB21_0 ; GFX942_LEGACY-NEXT: .p2align 8 ; GFX942_LEGACY-NEXT: ; %bb.2: ; GFX942_LEGACY-NEXT: .LBB21_0: ; GFX942_LEGACY-NEXT: s_mov_b32 s0, 8 ; GFX942_LEGACY-NEXT: s_load_dword s0, s[4:5], s0 offset:0x2 ; GFX942_LEGACY-NEXT: v_mov_b32_e32 v0, 0 ; GFX942_LEGACY-NEXT: s_waitcnt lgkmcnt(0) ; GFX942_LEGACY-NEXT: v_mov_b32_e32 v1, s0 ; GFX942_LEGACY-NEXT: global_store_dword v0, v1, s[8:9] ; GFX942_LEGACY-NEXT: s_endpgm %imp_arg_ptr = call ptr addrspace(4) @llvm.amdgcn.implicitarg.ptr() %gep = getelementptr i8, ptr addrspace(4) %imp_arg_ptr, i32 2 %load = load i32, ptr addrspace(4) %gep store i32 %load, ptr addrspace(1) %out ret void } declare void @llvm.memcpy.p0.p4.i64(ptr noalias nocapture writeonly, ptr addrspace(4) noalias nocapture readonly, i64, i1 immarg) !0 = !{}