AMDGPU: Add VI i16 support
Patch By: Wei Ding
Differential Revision: https://reviews.llvm.org/D18049
llvm-svn: 286464
diff --git a/llvm/test/CodeGen/AMDGPU/load-global-i16.ll b/llvm/test/CodeGen/AMDGPU/load-global-i16.ll
index a79c901..f398dd3 100644
--- a/llvm/test/CodeGen/AMDGPU/load-global-i16.ll
+++ b/llvm/test/CodeGen/AMDGPU/load-global-i16.ll
@@ -1,6 +1,6 @@
-; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-NOHSA -check-prefix=FUNC %s
-; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-HSA -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-NOHSA -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-NOHSA,GCN-NOHSA-SI,FUNC %s
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-HSA,FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-NOHSA,GCN-NOHSA-VI,FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=cayman < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
@@ -444,8 +444,15 @@
}
; FUNC-LABEL: {{^}}global_sextload_i16_to_i64:
-; GCN-NOHSA-DAG: buffer_load_sshort v[[LO:[0-9]+]],
+; FIXME: Need to optimize this sequence to avoid extra bfe:
+; t28: i32,ch = load<LD2[%in(addrspace=1)], anyext from i16> t12, t27, undef:i64
+; t31: i64 = any_extend t28
+; t33: i64 = sign_extend_inreg t31, ValueType:ch:i16
+
+; GCN-NOHSA-SI-DAG: buffer_load_sshort v[[LO:[0-9]+]],
; GCN-HSA-DAG: flat_load_sshort v[[LO:[0-9]+]],
+; GCN-NOHSA-VI-DAG: buffer_load_ushort v[[ULO:[0-9]+]],
+; GCN-NOHSA-VI-DAG: v_bfe_i32 v[[LO:[0-9]+]], v[[ULO]], 0, 16
; GCN-DAG: v_ashrrev_i32_e32 v[[HI:[0-9]+]], 31, v[[LO]]
; GCN-NOHSA: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]]