1; RUN: not opt --mtriple=amdgcn --passes=lint --lint-abort-on-error %s -disable-output 2>&1 | FileCheck %s 2; RUN: opt --mtriple=amdgcn --mcpu=gfx1030 --passes=lint %s -disable-output 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK0 3; RUN: opt --mtriple=x86_64 --passes=lint --lint-abort-on-error %s -disable-output 2>&1 | FileCheck %s --allow-empty --check-prefix=NOERR 4; NOERR: {{^$}} 5 6define amdgpu_kernel void @store_const(ptr addrspace(4) %out, i32 %a, i32 %b) { 7; CHECK: Undefined behavior: Write to memory in const addrspace 8; CHECK-NEXT: store i32 %r, ptr addrspace(4) %out 9 %r = add i32 %a, %b 10 store i32 %r, ptr addrspace(4) %out 11 ret void 12} 13 14declare void @llvm.memset.p4.i64(ptr addrspace(4) noalias nocapture writeonly, i8, i64, i1) 15define amdgpu_kernel void @memset_const(ptr addrspace(4) %dst) { 16; CHECK0: Undefined behavior: Write to memory in const addrspace 17; CHECK0-NEXT: call void @llvm.memset.p4.i64(ptr addrspace(4) %dst, i8 0, i64 256, i1 false) 18 call void @llvm.memset.p4.i64(ptr addrspace(4) %dst, i8 0, i64 256, i1 false) 19 ret void 20} 21 22declare void @llvm.memcpy.p6.p0.i32(ptr addrspace(6) noalias nocapture writeonly, ptr noalias nocapture readonly, i32, i1) 23define amdgpu_kernel void @memcpy_to_const(ptr addrspace(6) %dst, ptr %src) { 24; CHECK0: Undefined behavior: Write to memory in const addrspace 25; CHECK0-NEXT: call void @llvm.memcpy.p6.p0.i32(ptr addrspace(6) %dst, ptr %src, i32 256, i1 false) 26 call void @llvm.memcpy.p6.p0.i32(ptr addrspace(6) %dst, ptr %src, i32 256, i1 false) 27 ret void 28} 29 30define amdgpu_kernel void @cmpxchg_to_const(ptr addrspace(4) %dst, i32 %src) { 31; CHECK0: Undefined behavior: Write to memory in const addrspace 32; CHECK0-NEXT: %void = cmpxchg ptr addrspace(4) %dst, i32 0, i32 %src seq_cst monotonic 33 %void = cmpxchg ptr addrspace(4) %dst, i32 0, i32 %src seq_cst monotonic 34 ret void 35} 36 37define amdgpu_kernel void @atomicrmw_to_const(ptr addrspace(4) %dst, i32 %src) { 38; CHECK0: Undefined behavior: Write to memory in const addrspace 39; CHECK0-NEXT: %void = atomicrmw add ptr addrspace(4) %dst, i32 %src acquire 40 %void = atomicrmw add ptr addrspace(4) %dst, i32 %src acquire 41 ret void 42} 43 44declare void @const_param(ptr addrspace(6)) 45define amdgpu_kernel void @call_with_const(ptr addrspace(6) %dst) { 46; CHECK0-NOT: call void @const_param(ptr addrspace(6) %dst) 47 call void @const_param(ptr addrspace(6) %dst) 48 ret void 49} 50