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R600/SI: Move patterns to match add / sub to scalar instructions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195034 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-11-18 20:09:29 +00:00
parent 836c5133c6
commit 3e38856f04
6 changed files with 40 additions and 30 deletions
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4
lib/Target/R600/SIInstrInfo.cpp
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@ -373,6 +373,10 @@ unsigned SIInstrInfo::getVALUOp(const MachineInstr &MI) {
case AMDGPU::REG_SEQUENCE: return AMDGPU::REG_SEQUENCE;
case AMDGPU::COPY: return AMDGPU::COPY;
case AMDGPU::PHI: return AMDGPU::PHI;
case AMDGPU::S_ADD_I32: return AMDGPU::V_ADD_I32_e32;
case AMDGPU::S_ADDC_U32: return AMDGPU::V_ADDC_U32_e32;
case AMDGPU::S_SUB_I32: return AMDGPU::V_SUB_I32_e32;
case AMDGPU::S_SUBB_U32: return AMDGPU::V_SUBB_U32_e32;
case AMDGPU::S_ASHR_I32: return AMDGPU::V_ASHR_I32_e32;
case AMDGPU::S_ASHR_I64: return AMDGPU::V_ASHR_I64;
case AMDGPU::S_LSHL_B32: return AMDGPU::V_LSHL_B32_e32;

22
lib/Target/R600/SIInstructions.td
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@ -974,16 +974,13 @@ defm V_MBCNT_LO_U32_B32 : VOP2_32 <0x00000023, "V_MBCNT_LO_U32_B32", []>;
defm V_MBCNT_HI_U32_B32 : VOP2_32 <0x00000024, "V_MBCNT_HI_U32_B32", []>;
let isCommutable = 1, Defs = [VCC] in { // Carry-out goes to VCC
defm V_ADD_I32 : VOP2b_32 <0x00000025, "V_ADD_I32",
[(set i32:$dst, (add (i32 VSrc_32:$src0), (i32 VReg_32:$src1)))]
>;
defm V_SUB_I32 : VOP2b_32 <0x00000026, "V_SUB_I32",
[(set i32:$dst, (sub i32:$src0, i32:$src1))]
>;
// No patterns so that the scalar instructions are always selected.
// The scalar versions will be replaced with vector when needed later.
defm V_ADD_I32 : VOP2b_32 <0x00000025, "V_ADD_I32", []>;
defm V_SUB_I32 : VOP2b_32 <0x00000026, "V_SUB_I32", []>;
defm V_SUBREV_I32 : VOP2b_32 <0x00000027, "V_SUBREV_I32", [], "V_SUB_I32">;
let Uses = [VCC] in { // Carry-out comes from VCC
let Uses = [VCC] in { // Carry-in comes from VCC
defm V_ADDC_U32 : VOP2b_32 <0x00000028, "V_ADDC_U32", []>;
defm V_SUBB_U32 : VOP2b_32 <0x00000029, "V_SUBB_U32", []>;
defm V_SUBBREV_U32 : VOP2b_32 <0x0000002a, "V_SUBBREV_U32", [], "V_SUBB_U32">;
@ -1131,8 +1128,13 @@ def V_DIV_FMAS_F64 : VOP3_64 <0x00000170, "V_DIV_FMAS_F64", []>;
def V_TRIG_PREOP_F64 : VOP3_64 <0x00000174, "V_TRIG_PREOP_F64", []>;
def S_ADD_U32 : SOP2_32 <0x00000000, "S_ADD_U32", []>;
def S_SUB_U32 : SOP2_32 <0x00000001, "S_SUB_U32", []>;
def S_ADD_I32 : SOP2_32 <0x00000002, "S_ADD_I32", []>;
def S_SUB_I32 : SOP2_32 <0x00000003, "S_SUB_I32", []>;
def S_ADD_I32 : SOP2_32 <0x00000002, "S_ADD_I32",
[(set i32:$dst, (add i32:$src0, i32:$src1))]
>;
def S_SUB_I32 : SOP2_32 <0x00000003, "S_SUB_I32",
[(set i32:$dst, (sub i32:$src0, i32:$src1))]
>;
def S_ADDC_U32 : SOP2_32 <0x00000004, "S_ADDC_U32", []>;
def S_SUBB_U32 : SOP2_32 <0x00000005, "S_SUBB_U32", []>;
def S_MIN_I32 : SOP2_32 <0x00000006, "S_MIN_I32", []>;

10
test/CodeGen/R600/32-bit-local-address-space.ll
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@ -20,8 +20,9 @@ entry:
}
; CHECK-LABEL: @local_address_gep
; CHECK: V_ADD_I32_e{{32|64}} [[PTR:v[0-9]]]
; CHECK: DS_READ_B32 [[PTR]]
; CHECK: S_ADD_I32 [[SPTR:s[0-9]]]
; CHECK: V_MOV_B32_e32 [[VPTR:v[0-9]+]], [[SPTR]]
; CHECK: DS_READ_B32 [[VPTR]]
define void @local_address_gep(i32 addrspace(1)* %out, i32 addrspace(3)* %in, i32 %offset) {
entry:
%0 = getelementptr i32 addrspace(3)* %in, i32 %offset
@ -31,8 +32,9 @@ entry:
}
; CHECK-LABEL: @local_address_gep_const_offset
; CHECK: V_ADD_I32_e{{32|64}} [[PTR:v[0-9]]]
; CHECK: DS_READ_B32 [[PTR]]
; CHECK: S_ADD_I32 [[SPTR:s[0-9]]]
; CHECK: V_MOV_B32_e32 [[VPTR:v[0-9]+]], [[SPTR]]
; CHECK: DS_READ_B32 [[VPTR]]
define void @local_address_gep_const_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %in) {
entry:
%0 = getelementptr i32 addrspace(3)* %in, i32 1

7
test/CodeGen/R600/address-space.ll
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@ -5,9 +5,10 @@
%struct.foo = type { [3 x float], [3 x float] }
; CHECK-LABEL: @do_as_ptr_calcs:
; CHECK: V_ADD_I32_e64 {{v[0-9]+}},
; CHECK: V_ADD_I32_e64 [[REG1:v[0-9]+]],
; CHECK: DS_READ_B32 [[REG1]],
; CHECK: S_ADD_I32 {{s[0-9]+}},
; CHECK: S_ADD_I32 [[SREG1:s[0-9]+]],
; CHECK: V_MOV_B32_e32 [[VREG1:v[0-9]+]], [[SREG1]]
; CHECK: DS_READ_B32 [[VREG1]],
define void @do_as_ptr_calcs(%struct.foo addrspace(3)* nocapture %ptr) nounwind {
entry:
%x = getelementptr inbounds %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 0

14
test/CodeGen/R600/gep-address-space.ll
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@ -2,7 +2,7 @@
define void @use_gep_address_space([1024 x i32] addrspace(3)* %array) nounwind {
; CHECK-LABEL @use_gep_address_space:
; CHECK: ADD_I32
; CHECK: S_ADD_I32
%p = getelementptr [1024 x i32] addrspace(3)* %array, i16 0, i16 16
store i32 99, i32 addrspace(3)* %p
ret void
@ -10,10 +10,10 @@ define void @use_gep_address_space([1024 x i32] addrspace(3)* %array) nounwind {
define void @gep_as_vector_v4(<4 x [1024 x i32] addrspace(3)*> %array) nounwind {
; CHECK-LABEL: @gep_as_vector_v4:
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
; CHECK: S_ADD_I32
; CHECK: S_ADD_I32
; CHECK: S_ADD_I32
; CHECK: S_ADD_I32
%p = getelementptr <4 x [1024 x i32] addrspace(3)*> %array, <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
%p0 = extractelement <4 x i32 addrspace(3)*> %p, i32 0
%p1 = extractelement <4 x i32 addrspace(3)*> %p, i32 1
@ -28,8 +28,8 @@ define void @gep_as_vector_v4(<4 x [1024 x i32] addrspace(3)*> %array) nounwind
define void @gep_as_vector_v2(<2 x [1024 x i32] addrspace(3)*> %array) nounwind {
; CHECK-LABEL: @gep_as_vector_v2:
; CHECK: V_ADD_I32
; CHECK: V_ADD_I32
; CHECK: S_ADD_I32
; CHECK: S_ADD_I32
%p = getelementptr <2 x [1024 x i32] addrspace(3)*> %array, <2 x i16> zeroinitializer, <2 x i16> <i16 16, i16 16>
%p0 = extractelement <2 x i32 addrspace(3)*> %p, i32 0
%p1 = extractelement <2 x i32 addrspace(3)*> %p, i32 1

13
test/CodeGen/R600/rotr.ll
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@ -1,10 +1,10 @@
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=R600-CHECK %s
; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck --check-prefix=SI-CHECK %s
; R600-CHECK: @rotr
; R600-CHECK-LABEL: @rotr:
; R600-CHECK: BIT_ALIGN_INT
; SI-CHECK: @rotr
; SI-CHECK-LABEL: @rotr:
; SI-CHECK: V_ALIGNBIT_B32
define void @rotr(i32 addrspace(1)* %in, i32 %x, i32 %y) {
entry:
@ -16,15 +16,16 @@ entry:
ret void
}
; R600-CHECK: @rotl
; R600-CHECK-LABEL: @rotl:
; R600-CHECK: SUB_INT {{\** T[0-9]+\.[XYZW]}}, literal.x
; R600-CHECK-NEXT: 32
; R600-CHECK: BIT_ALIGN_INT {{T[0-9]+\.[XYZW]}}, KC0[2].Z, KC0[2].Z, PV.{{[XYZW]}}
; SI-CHECK: @rotl
; SI-CHECK: V_SUB_I32_e64 [[DST:v[0-9]+]], 32, {{[sv][0-9]+}}
; SI-CHECK: V_ALIGNBIT_B32 {{v[0-9]+, [sv][0-9]+, v[0-9]+}}, [[DST]]
; SI-CHECK-LABEL: @rotl:
; SI-CHECK: S_SUB_I32 [[SDST:s[0-9]+]], 32, {{[s][0-9]+}}
; SI-CHECK: V_MOV_B32_e32 [[VDST:v[0-9]+]], [[SDST]]
; SI-CHECK: V_ALIGNBIT_B32 {{v[0-9]+, [s][0-9]+, v[0-9]+}}, [[VDST]]
define void @rotl(i32 addrspace(1)* %in, i32 %x, i32 %y) {
entry:
%0 = shl i32 %x, %y