; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1100 < %s | FileCheck -check-prefix=SDAG %s ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1100 < %s | FileCheck -check-prefix=GISEL %s ; Check that in strict OOB mode for buffers (relaxed-buffer-oob-mode attribute not set) the underaligned loads and stores get split. ; FIXME: The loads/stores do not get split (extend amdgpu-lower-buffer-fat-pointers?). define amdgpu_ps void @split_underaligned_load(ptr addrspace(7) inreg %p, ptr addrspace(7) inreg %p2) #0 { ; CHECK-LABEL: split_underaligned_load: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: v_mov_b32_e32 v0, s4 ; CHECK-NEXT: v_mov_b32_e32 v2, s9 ; CHECK-NEXT: s_mov_b32 s15, s8 ; CHECK-NEXT: s_mov_b32 s14, s7 ; CHECK-NEXT: s_mov_b32 s13, s6 ; CHECK-NEXT: buffer_load_b64 v[0:1], v0, s[0:3], 0 offen ; CHECK-NEXT: s_mov_b32 s12, s5 ; CHECK-NEXT: s_waitcnt vmcnt(0) ; CHECK-NEXT: buffer_store_b64 v[0:1], v2, s[12:15], 0 offen ; CHECK-NEXT: s_endpgm ; SDAG-LABEL: split_underaligned_load: ; SDAG: ; %bb.0: ; %entry ; SDAG-NEXT: v_mov_b32_e32 v0, s4 ; SDAG-NEXT: v_mov_b32_e32 v2, s9 ; SDAG-NEXT: s_mov_b32 s15, s8 ; SDAG-NEXT: s_mov_b32 s14, s7 ; SDAG-NEXT: s_mov_b32 s13, s6 ; SDAG-NEXT: buffer_load_b64 v[0:1], v0, s[0:3], 0 offen ; SDAG-NEXT: s_mov_b32 s12, s5 ; SDAG-NEXT: s_waitcnt vmcnt(0) ; SDAG-NEXT: buffer_store_b64 v[0:1], v2, s[12:15], 0 offen ; SDAG-NEXT: s_endpgm ; ; GISEL-LABEL: split_underaligned_load: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: v_mov_b32_e32 v0, s4 ; GISEL-NEXT: v_mov_b32_e32 v2, s9 ; GISEL-NEXT: s_mov_b32 s12, s5 ; GISEL-NEXT: s_mov_b32 s13, s6 ; GISEL-NEXT: s_mov_b32 s14, s7 ; GISEL-NEXT: buffer_load_b64 v[0:1], v0, s[0:3], 0 offen ; GISEL-NEXT: s_mov_b32 s15, s8 ; GISEL-NEXT: s_waitcnt vmcnt(0) ; GISEL-NEXT: buffer_store_b64 v[0:1], v2, s[12:15], 0 offen ; GISEL-NEXT: s_endpgm entry: %gep = getelementptr i8, ptr addrspace(7) %p, i32 0 %ld = load i64, ptr addrspace(7) %gep, align 4 %gep2 = getelementptr i8, ptr addrspace(7) %p2, i32 0 store i64 %ld, ptr addrspace(7) %gep2, align 4 ret void } ; Check that in strict OOB mode for buffers (relaxed-buffer-oob-mode attribute not set) the naturally aligned loads and stores do not get split. define amdgpu_ps void @do_not_split_aligned_load(ptr addrspace(7) inreg %p, ptr addrspace(7) inreg %p2) #0 { ; CHECK-LABEL: do_not_split_aligned_load: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: v_mov_b32_e32 v0, s4 ; CHECK-NEXT: v_mov_b32_e32 v2, s9 ; CHECK-NEXT: s_mov_b32 s15, s8 ; CHECK-NEXT: s_mov_b32 s14, s7 ; CHECK-NEXT: s_mov_b32 s13, s6 ; CHECK-NEXT: buffer_load_b64 v[0:1], v0, s[0:3], 0 offen ; CHECK-NEXT: s_mov_b32 s12, s5 ; CHECK-NEXT: s_waitcnt vmcnt(0) ; CHECK-NEXT: buffer_store_b64 v[0:1], v2, s[12:15], 0 offen ; CHECK-NEXT: s_endpgm ; SDAG-LABEL: do_not_split_aligned_load: ; SDAG: ; %bb.0: ; %entry ; SDAG-NEXT: v_mov_b32_e32 v0, s4 ; SDAG-NEXT: v_mov_b32_e32 v2, s9 ; SDAG-NEXT: s_mov_b32 s15, s8 ; SDAG-NEXT: s_mov_b32 s14, s7 ; SDAG-NEXT: s_mov_b32 s13, s6 ; SDAG-NEXT: buffer_load_b64 v[0:1], v0, s[0:3], 0 offen ; SDAG-NEXT: s_mov_b32 s12, s5 ; SDAG-NEXT: s_waitcnt vmcnt(0) ; SDAG-NEXT: buffer_store_b64 v[0:1], v2, s[12:15], 0 offen ; SDAG-NEXT: s_endpgm ; ; GISEL-LABEL: do_not_split_aligned_load: ; GISEL: ; %bb.0: ; %entry ; GISEL-NEXT: v_mov_b32_e32 v0, s4 ; GISEL-NEXT: v_mov_b32_e32 v2, s9 ; GISEL-NEXT: s_mov_b32 s12, s5 ; GISEL-NEXT: s_mov_b32 s13, s6 ; GISEL-NEXT: s_mov_b32 s14, s7 ; GISEL-NEXT: buffer_load_b64 v[0:1], v0, s[0:3], 0 offen ; GISEL-NEXT: s_mov_b32 s15, s8 ; GISEL-NEXT: s_waitcnt vmcnt(0) ; GISEL-NEXT: buffer_store_b64 v[0:1], v2, s[12:15], 0 offen ; GISEL-NEXT: s_endpgm entry: %gep = getelementptr i8, ptr addrspace(7) %p, i32 0 %ld = load i64, ptr addrspace(7) %gep, align 8 %gep2 = getelementptr i8, ptr addrspace(7) %p2, i32 0 store i64 %ld, ptr addrspace(7) %gep2, align 8 ret void }