| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -start-before=amdgpu-isel < %s | FileCheck --check-prefixes=GFX942 %s |
| |
| ; Tests for undef and poison DAG folds for the ISD::PTRADD SelectionDAG opcode. |
| ; If any additions are generated for these tests, the folds don't work. |
| |
| define ptr @poison_offset(ptr %p, i64 %offset) { |
| ; GFX942-LABEL: poison_offset: |
| ; GFX942: ; %bb.0: |
| ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; GFX942-NEXT: v_mov_b32_e32 v1, 0 |
| ; GFX942-NEXT: s_setpc_b64 s[30:31] |
| %gep1 = getelementptr i8, ptr %p, i64 poison |
| ret ptr %gep1 |
| } |
| |
| define ptr @poison_base(ptr %p, i64 %offset) { |
| ; GFX942-LABEL: poison_base: |
| ; GFX942: ; %bb.0: |
| ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; GFX942-NEXT: v_mov_b32_e32 v1, 0 |
| ; GFX942-NEXT: s_setpc_b64 s[30:31] |
| %gep1 = getelementptr i8, ptr poison, i64 %offset |
| ret ptr %gep1 |
| } |
| |
| define ptr @undef_offset(ptr %p, i64 %offset) { |
| ; GFX942-LABEL: undef_offset: |
| ; GFX942: ; %bb.0: |
| ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; GFX942-NEXT: v_mov_b32_e32 v1, 0 |
| ; GFX942-NEXT: s_setpc_b64 s[30:31] |
| %gep1 = getelementptr i8, ptr %p, i64 undef |
| ret ptr %gep1 |
| } |
| |
| define ptr @undef_base(ptr %p, i64 %offset) { |
| ; GFX942-LABEL: undef_base: |
| ; GFX942: ; %bb.0: |
| ; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) |
| ; GFX942-NEXT: v_mov_b32_e32 v1, 0 |
| ; GFX942-NEXT: s_setpc_b64 s[30:31] |
| %gep1 = getelementptr i8, ptr undef, i64 %offset |
| ret ptr %gep1 |
| } |
