diff options
Diffstat (limited to 'test/CodeGen/AMDGPU/shl.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/shl.ll | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/test/CodeGen/AMDGPU/shl.ll b/test/CodeGen/AMDGPU/shl.ll index 53b63dc..6f81a39 100644 --- a/test/CodeGen/AMDGPU/shl.ll +++ b/test/CodeGen/AMDGPU/shl.ll @@ -1,6 +1,9 @@ -;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG %s -;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI %s -;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=VI %s +; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG %s +; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck -check-prefix=GCN -check-prefix=SI %s +; XUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck -check-prefix=GCN -check-prefix=VI %s + +declare i32 @llvm.r600.read.tidig.x() #0 + ;EG: {{^}}shl_v2i32: ;EG: LSHL {{\*? *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} @@ -178,3 +181,32 @@ define void @shl_v4i64(<4 x i64> addrspace(1)* %out, <4 x i64> addrspace(1)* %in store <4 x i64> %result, <4 x i64> addrspace(1)* %out ret void } + +; Make sure load width gets reduced to i32 load. +; GCN-LABEL: {{^}}s_shl_32_i64: +; GCN-DAG: s_load_dword [[LO_A:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb{{$}} +; GCN-DAG: s_mov_b32 s[[SLO:[0-9]+]], 0{{$}} +; GCN-DAG: v_mov_b32_e32 v[[VLO:[0-9]+]], s[[SLO]] +; GCN-DAG: v_mov_b32_e32 v[[VHI:[0-9]+]], [[LO_A]] +; GCN: buffer_store_dwordx2 v{{\[}}[[VLO]]:[[VHI]]{{\]}} +define void @s_shl_32_i64(i64 addrspace(1)* %out, i64 %a) { + %result = shl i64 %a, 32 + store i64 %result, i64 addrspace(1)* %out + ret void +} + +; GCN-LABEL: {{^}}v_shl_32_i64: +; GCN-DAG: buffer_load_dword v[[LO_A:[0-9]+]], +; GCN-DAG: v_mov_b32_e32 v[[VLO:[0-9]+]], 0{{$}} +; GCN: buffer_store_dwordx2 v{{\[}}[[VLO]]:[[LO_A]]{{\]}} +define void @v_shl_32_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) { + %tid = call i32 @llvm.r600.read.tidig.x() #0 + %gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid + %gep.out = getelementptr i64, i64 addrspace(1)* %out, i32 %tid + %a = load i64, i64 addrspace(1)* %gep.in + %result = shl i64 %a, 32 + store i64 %result, i64 addrspace(1)* %gep.out + ret void +} + +attributes #0 = { nounwind readnone } |
