R600/SI: Use a register set to -1 for data0 on ds_inc*/ds_dec*

There is not such thing as a 0-data ds instruction, and the data
operand needs to be a vgpr set to something meaningful.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210756 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 22 insertions, 6 deletions

diff --git a/test/CodeGen/R600/local-atomics.ll b/test/CodeGen/R600/local-atomics.ll
index fb70ddf069..5a44951055 100644
--- a/test/CodeGen/R600/local-atomics.ll
+++ b/test/CodeGen/R600/local-atomics.ll
@@ -48,7 +48,9 @@ define void @lds_atomic_add_ret_i32_offset(i32 addrspace(1)* %out, i32 addrspace
 }
 
 ; FUNC-LABEL: @lds_atomic_inc_ret_i32:
-; SI: DS_INC_RTN_U32
+; SI: S_MOV_B32 [[SNEGONE:s[0-9]+]], -1
+; SI: V_MOV_B32_e32 [[NEGONE:v[0-9]+]], [[SNEGONE]]
+; SI: DS_INC_RTN_U32 v{{[0-9]+}}, v{{[0-9]+}}, [[NEGONE]], 0x0
 ; SI: S_ENDPGM
 define void @lds_atomic_inc_ret_i32(i32 addrspace(1)* %out, i32 addrspace(3)* %ptr) nounwind {
   %result = atomicrmw add i32 addrspace(3)* %ptr, i32 1 seq_cst
@@ -57,7 +59,9 @@ define void @lds_atomic_inc_ret_i32(i32 addrspace(1)* %out, i32 addrspace(3)* %p
 }
 
 ; FUNC-LABEL: @lds_atomic_inc_ret_i32_offset:
-; SI: DS_INC_RTN_U32 v{{[0-9]+}}, v{{[0-9]+}}, 0x10
+; SI: S_MOV_B32 [[SNEGONE:s[0-9]+]], -1
+; SI: V_MOV_B32_e32 [[NEGONE:v[0-9]+]], [[SNEGONE]]
+; SI: DS_INC_RTN_U32 v{{[0-9]+}}, v{{[0-9]+}}, [[NEGONE]], 0x10
 ; SI: S_ENDPGM
 define void @lds_atomic_inc_ret_i32_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %ptr) nounwind {
   %gep = getelementptr i32 addrspace(3)* %ptr, i32 4
@@ -86,7 +90,9 @@ define void @lds_atomic_sub_ret_i32_offset(i32 addrspace(1)* %out, i32 addrspace
 }
 
 ; FUNC-LABEL: @lds_atomic_dec_ret_i32:
-; SI: DS_DEC_RTN_U32
+; SI: S_MOV_B32 [[SNEGONE:s[0-9]+]], -1
+; SI: V_MOV_B32_e32 [[NEGONE:v[0-9]+]], [[SNEGONE]]
+; SI: DS_DEC_RTN_U32  v{{[0-9]+}}, v{{[0-9]+}}, [[NEGONE]], 0x0
 ; SI: S_ENDPGM
 define void @lds_atomic_dec_ret_i32(i32 addrspace(1)* %out, i32 addrspace(3)* %ptr) nounwind {
   %result = atomicrmw sub i32 addrspace(3)* %ptr, i32 1 seq_cst
@@ -95,7 +101,9 @@ define void @lds_atomic_dec_ret_i32(i32 addrspace(1)* %out, i32 addrspace(3)* %p
 }
 
 ; FUNC-LABEL: @lds_atomic_dec_ret_i32_offset:
-; SI: DS_DEC_RTN_U32 v{{[0-9]+}}, v{{[0-9]+}}, 0x10
+; SI: S_MOV_B32 [[SNEGONE:s[0-9]+]], -1
+; SI: V_MOV_B32_e32 [[NEGONE:v[0-9]+]], [[SNEGONE]]
+; SI: DS_DEC_RTN_U32 v{{[0-9]+}}, v{{[0-9]+}}, [[NEGONE]], 0x10
 ; SI: S_ENDPGM
 define void @lds_atomic_dec_ret_i32_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %ptr) nounwind {
   %gep = getelementptr i32 addrspace(3)* %ptr, i32 4
diff --git a/test/CodeGen/R600/local-atomics64.ll b/test/CodeGen/R600/local-atomics64.ll
index 399cfe73c6..849b033d84 100644
--- a/test/CodeGen/R600/local-atomics64.ll
+++ b/test/CodeGen/R600/local-atomics64.ll
@@ -45,7 +45,11 @@ define void @lds_atomic_add_ret_i64_offset(i64 addrspace(1)* %out, i64 addrspace
 }
 
 ; FUNC-LABEL: @lds_atomic_inc_ret_i64:
-; SI: DS_INC_RTN_U64
+; SI: S_MOV_B64 s{{\[}}[[LOSDATA:[0-9]+]]:[[HISDATA:[0-9]+]]{{\]}}, -1
+; SI-DAG: V_MOV_B32_e32 v[[LOVDATA:[0-9]+]], s[[LOSDATA]]
+; SI-DAG: V_MOV_B32_e32 v[[HIVDATA:[0-9]+]], s[[HISDATA]]
+; SI: DS_INC_RTN_U64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[VPTR]], v{{\[}}[[LOVDATA]]:[[HIVDATA]]{{\]}},
+; SI: BUFFER_STORE_DWORDX2 [[RESULT]],
 ; SI: S_ENDPGM
 define void @lds_atomic_inc_ret_i64(i64 addrspace(1)* %out, i64 addrspace(3)* %ptr) nounwind {
   %result = atomicrmw add i64 addrspace(3)* %ptr, i64 1 seq_cst
@@ -83,7 +87,11 @@ define void @lds_atomic_sub_ret_i64_offset(i64 addrspace(1)* %out, i64 addrspace
 }
 
 ; FUNC-LABEL: @lds_atomic_dec_ret_i64:
-; SI: DS_DEC_RTN_U64
+; SI: S_MOV_B64 s{{\[}}[[LOSDATA:[0-9]+]]:[[HISDATA:[0-9]+]]{{\]}}, -1
+; SI-DAG: V_MOV_B32_e32 v[[LOVDATA:[0-9]+]], s[[LOSDATA]]
+; SI-DAG: V_MOV_B32_e32 v[[HIVDATA:[0-9]+]], s[[HISDATA]]
+; SI: DS_DEC_RTN_U64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[VPTR]], v{{\[}}[[LOVDATA]]:[[HIVDATA]]{{\]}},
+; SI: BUFFER_STORE_DWORDX2 [[RESULT]],
 ; SI: S_ENDPGM
 define void @lds_atomic_dec_ret_i64(i64 addrspace(1)* %out, i64 addrspace(3)* %ptr) nounwind {
   %result = atomicrmw sub i64 addrspace(3)* %ptr, i64 1 seq_cst