| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=amdgcn-amd-amdhsa < %s | FileCheck %s |
| |
| ; FIXME: Inefficient codegen which skips an optimization of load + |
| ; extractelement when the vector element type is not byte-sized. |
| define i1 @extractloadi1(<8 x i1> *%ptr, i32 %idx) { |
| ; CHECK-LABEL: extractloadi1: |
| ; CHECK: ; %bb.0: |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: flat_load_ubyte v0, v[0:1] |
| ; CHECK-NEXT: v_and_b32_e32 v1, 7, v2 |
| ; CHECK-NEXT: v_lshr_b32_e64 v9, s32, 6 |
| ; CHECK-NEXT: v_or_b32_e32 v1, v9, v1 |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) |
| ; CHECK-NEXT: v_bfe_u32 v2, v0, 1, 1 |
| ; CHECK-NEXT: v_bfe_u32 v3, v0, 2, 2 |
| ; CHECK-NEXT: v_bfe_u32 v4, v0, 3, 1 |
| ; CHECK-NEXT: v_lshrrev_b32_e32 v5, 4, v0 |
| ; CHECK-NEXT: v_bfe_u32 v6, v0, 5, 1 |
| ; CHECK-NEXT: v_lshrrev_b32_e32 v7, 6, v0 |
| ; CHECK-NEXT: v_lshrrev_b32_e32 v8, 7, v0 |
| ; CHECK-NEXT: buffer_store_byte v0, off, s[0:3], s32 |
| ; CHECK-NEXT: buffer_store_byte v8, off, s[0:3], s32 offset:7 |
| ; CHECK-NEXT: buffer_store_byte v7, off, s[0:3], s32 offset:6 |
| ; CHECK-NEXT: buffer_store_byte v6, off, s[0:3], s32 offset:5 |
| ; CHECK-NEXT: buffer_store_byte v5, off, s[0:3], s32 offset:4 |
| ; CHECK-NEXT: buffer_store_byte v4, off, s[0:3], s32 offset:3 |
| ; CHECK-NEXT: buffer_store_byte v3, off, s[0:3], s32 offset:2 |
| ; CHECK-NEXT: buffer_store_byte v2, off, s[0:3], s32 offset:1 |
| ; CHECK-NEXT: buffer_load_ubyte v0, v1, s[0:3], 0 offen |
| ; CHECK-NEXT: s_waitcnt vmcnt(0) |
| ; CHECK-NEXT: s_setpc_b64 s[30:31] |
| %val = load <8 x i1>, <8 x i1> *%ptr |
| %ret = extractelement <8 x i1> %val, i32 %idx |
| ret i1 %ret |
| } |