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R600: Use BCNT_INT for evergreen

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llvm-svn: 210569
This commit is contained in:
Matt Arsenault 2014-06-10 19:18:28 +00:00
parent 6387e9a3dc
commit 4f96643a42
5 changed files with 67 additions and 5 deletions
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8
lib/Target/R600/AMDGPUISelLowering.cpp
View File

@ -220,9 +220,13 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
setOperationAction(ISD::FCOPYSIGN, MVT::f64, Expand);
}
if (!Subtarget->hasBCNT(32))
setOperationAction(ISD::CTPOP, MVT::i32, Expand);
if (!Subtarget->hasBCNT(64))
setOperationAction(ISD::CTPOP, MVT::i64, Expand);
for (MVT VT : { MVT::i32, MVT::i64 }) {
// TODO: Evergreen has BCNT_INT for CTPOP
setOperationAction(ISD::CTPOP, VT, Expand);
setOperationAction(ISD::CTTZ, VT, Expand);
setOperationAction(ISD::CTLZ, VT, Expand);
}

8
lib/Target/R600/AMDGPUSubtarget.h
View File

@ -80,6 +80,14 @@ public:
return hasBFE();
}
bool hasBCNT(unsigned Size) const {
if (Size == 32)
return (getGeneration() >= EVERGREEN);
assert(Size == 64);
return (getGeneration() >= SOUTHERN_ISLANDS);
}
bool hasMulU24() const {
return (getGeneration() >= EVERGREEN);
}

2
lib/Target/R600/EvergreenInstructions.td
View File

@ -326,6 +326,8 @@ def MUL_UINT24_eg : R600_2OP <0xB5, "MUL_UINT24",
def DOT4_eg : DOT4_Common<0xBE>;
defm CUBE_eg : CUBE_Common<0xC0>;
def BCNT_INT : R600_1OP_Helper <0xAA, "BCNT_INT", ctpop>;
let hasSideEffects = 1 in {
def MOVA_INT_eg : R600_1OP <0xCC, "MOVA_INT", [], VecALU>;
}

3
lib/Target/R600/SIISelLowering.cpp
View File

@ -211,9 +211,6 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
setOperationAction(ISD::FRINT, MVT::f64, Legal);
}
setOperationAction(ISD::CTPOP, MVT::i32, Legal);
setOperationAction(ISD::CTPOP, MVT::i64, Legal);
setTargetDAGCombine(ISD::SELECT_CC);
setTargetDAGCombine(ISD::SETCC);

51
test/CodeGen/R600/ctpop.ll
View File

@ -13,6 +13,8 @@ declare <16 x i32> @llvm.ctpop.v16i32(<16 x i32>) nounwind readnone
; SI: V_MOV_B32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
; SI: BUFFER_STORE_DWORD [[VRESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
define void @s_ctpop_i32(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
%ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
store i32 %ctpop, i32 addrspace(1)* %out, align 4
@ -26,6 +28,8 @@ define void @s_ctpop_i32(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
; SI: V_BCNT_U32_B32_e32 [[RESULT:v[0-9]+]], [[VAL]], [[VZERO]]
; SI: BUFFER_STORE_DWORD [[RESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
define void @v_ctpop_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in) nounwind {
%val = load i32 addrspace(1)* %in, align 4
%ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
@ -42,6 +46,9 @@ define void @v_ctpop_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noali
; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL0]], [[MIDRESULT]]
; SI: BUFFER_STORE_DWORD [[RESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
; EG: BCNT_INT
define void @v_ctpop_add_chain_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in0, i32 addrspace(1)* noalias %in1) nounwind {
%val0 = load i32 addrspace(1)* %in0, align 4
%val1 = load i32 addrspace(1)* %in1, align 4
@ -56,6 +63,9 @@ define void @v_ctpop_add_chain_i32(i32 addrspace(1)* noalias %out, i32 addrspace
; SI: V_BCNT_U32_B32_e32
; SI: V_BCNT_U32_B32_e32
; SI: S_ENDPGM
; EG: BCNT_INT
; EG: BCNT_INT
define void @v_ctpop_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %in) nounwind {
%val = load <2 x i32> addrspace(1)* %in, align 8
%ctpop = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %val) nounwind readnone
@ -69,6 +79,11 @@ define void @v_ctpop_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrs
; SI: V_BCNT_U32_B32_e32
; SI: V_BCNT_U32_B32_e32
; SI: S_ENDPGM
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
define void @v_ctpop_v4i32(<4 x i32> addrspace(1)* noalias %out, <4 x i32> addrspace(1)* noalias %in) nounwind {
%val = load <4 x i32> addrspace(1)* %in, align 16
%ctpop = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %val) nounwind readnone
@ -86,6 +101,15 @@ define void @v_ctpop_v4i32(<4 x i32> addrspace(1)* noalias %out, <4 x i32> addrs
; SI: V_BCNT_U32_B32_e32
; SI: V_BCNT_U32_B32_e32
; SI: S_ENDPGM
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
define void @v_ctpop_v8i32(<8 x i32> addrspace(1)* noalias %out, <8 x i32> addrspace(1)* noalias %in) nounwind {
%val = load <8 x i32> addrspace(1)* %in, align 32
%ctpop = call <8 x i32> @llvm.ctpop.v8i32(<8 x i32> %val) nounwind readnone
@ -111,6 +135,23 @@ define void @v_ctpop_v8i32(<8 x i32> addrspace(1)* noalias %out, <8 x i32> addrs
; SI: V_BCNT_U32_B32_e32
; SI: V_BCNT_U32_B32_e32
; SI: S_ENDPGM
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
; EG: BCNT_INT
define void @v_ctpop_v16i32(<16 x i32> addrspace(1)* noalias %out, <16 x i32> addrspace(1)* noalias %in) nounwind {
%val = load <16 x i32> addrspace(1)* %in, align 32
%ctpop = call <16 x i32> @llvm.ctpop.v16i32(<16 x i32> %val) nounwind readnone
@ -123,6 +164,8 @@ define void @v_ctpop_v16i32(<16 x i32> addrspace(1)* noalias %out, <16 x i32> ad
; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], 4
; SI: BUFFER_STORE_DWORD [[RESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
define void @v_ctpop_i32_add_inline_constant(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in) nounwind {
%val = load i32 addrspace(1)* %in, align 4
%ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
@ -136,6 +179,8 @@ define void @v_ctpop_i32_add_inline_constant(i32 addrspace(1)* noalias %out, i32
; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], 4
; SI: BUFFER_STORE_DWORD [[RESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
define void @v_ctpop_i32_add_inline_constant_inv(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in) nounwind {
%val = load i32 addrspace(1)* %in, align 4
%ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
@ -164,6 +209,8 @@ define void @v_ctpop_i32_add_literal(i32 addrspace(1)* noalias %out, i32 addrspa
; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], [[VAR]]
; SI: BUFFER_STORE_DWORD [[RESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
define void @v_ctpop_i32_add_var(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 %const) nounwind {
%val = load i32 addrspace(1)* %in, align 4
%ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
@ -178,6 +225,8 @@ define void @v_ctpop_i32_add_var(i32 addrspace(1)* noalias %out, i32 addrspace(1
; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], [[VAR]]
; SI: BUFFER_STORE_DWORD [[RESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
define void @v_ctpop_i32_add_var_inv(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 %const) nounwind {
%val = load i32 addrspace(1)* %in, align 4
%ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
@ -192,6 +241,8 @@ define void @v_ctpop_i32_add_var_inv(i32 addrspace(1)* noalias %out, i32 addrspa
; SI: V_BCNT_U32_B32_e32 [[RESULT:v[0-9]+]], [[VAL]], [[VAR]]
; SI: BUFFER_STORE_DWORD [[RESULT]],
; SI: S_ENDPGM
; EG: BCNT_INT
define void @v_ctpop_i32_add_vvar_inv(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 addrspace(1)* noalias %constptr) nounwind {
%val = load i32 addrspace(1)* %in, align 4
%ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone