[Hexagon] Deleting unused patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Colin LeMahieu 2015-02-05 21:43:56 +00:00
parent 71166427a3
commit 2a9c990364

View File

@ -4852,28 +4852,6 @@ let AddedComplexity = 30 in
def: Pat<(i1 (setlt (i32 IntRegs:$src1), s8ExtPred:$src2)),
(C2_not (C2_cmpgti IntRegs:$src1, (DEC_CONST_SIGNED s8ExtPred:$src2)))>;
// Map cmplt(Rs, Rt) -> cmpgt(Rt, Rs).
// rs < rt -> rt > rs.
// We can let assembler map it, or we can do in the compiler itself.
def : Pat <(i1 (setlt (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
(i1 (C2_cmpgt (i32 IntRegs:$src2), (i32 IntRegs:$src1)))>;
// Map cmplt(Rss, Rtt) -> cmpgt(Rtt, Rss).
// rss < rtt -> (rtt > rss).
def : Pat <(i1 (setlt (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
(i1 (C2_cmpgtp (i64 DoubleRegs:$src2), (i64 DoubleRegs:$src1)))>;
// Map from cmpltu(Rs, Rd) -> cmpgtu(Rd, Rs)
// rs < rt -> rt > rs.
// We can let assembler map it, or we can do in the compiler itself.
def : Pat <(i1 (setult (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
(i1 (C2_cmpgtu (i32 IntRegs:$src2), (i32 IntRegs:$src1)))>;
// Map from cmpltu(Rss, Rdd) -> cmpgtu(Rdd, Rss).
// rs < rt -> rt > rs.
def : Pat <(i1 (setult (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
(i1 (C2_cmpgtup (i64 DoubleRegs:$src2), (i64 DoubleRegs:$src1)))>;
// Generate cmpgeu(Rs, #0) -> cmpeq(Rs, Rs)
def: Pat<(i1 (setuge (i32 IntRegs:$src1), 0)),
(C2_cmpeq IntRegs:$src1, IntRegs:$src1)>;
@ -4891,16 +4869,6 @@ def: Pat<(i1 (setugt (i32 IntRegs:$src1), u9ExtPred:$src2)),
def: Pat<(i1 (setuge (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
(C2_not (C2_cmpgtup DoubleRegs:$src2, DoubleRegs:$src1))>;
// Map from Rs >= Rt -> !(Rt > Rs).
// rs >= rt -> !(rt > rs).
def : Pat <(i1 (setuge (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
(i1 (C2_not (C2_cmpgtup (i64 DoubleRegs:$src2), (i64 DoubleRegs:$src1))))>;
// Map from cmpleu(Rs, Rt) -> !cmpgtu(Rs, Rt).
// Map from (Rs <= Rt) -> !(Rs > Rt).
def : Pat <(i1 (setule (i32 IntRegs:$src1), (i32 IntRegs:$src2))),
(i1 (C2_not (C2_cmpgtu (i32 IntRegs:$src1), (i32 IntRegs:$src2))))>;
// Map from cmpleu(Rss, Rtt) -> !cmpgtu(Rss, Rtt-1).
// Map from (Rs <= Rt) -> !(Rs > Rt).
def: Pat<(i1 (setule (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2))),
@ -4915,21 +4883,6 @@ def: Pat<(i32 (sext (i1 PredRegs:$src1))),
def: Pat<(i64 (sext (i1 PredRegs:$src1))),
(A2_combinew (A2_tfrsi -1), (C2_muxii PredRegs:$src1, -1, 0))>;
// Convert sign-extended load back to load and sign extend.
// i8 -> i64
def: Pat <(i64 (sextloadi8 ADDRriS11_0:$src1)),
(i64 (A2_sxtw (L2_loadrb_io AddrFI:$src1, 0)))>;
// Convert any-extended load back to load and sign extend.
// i8 -> i64
def: Pat <(i64 (extloadi8 ADDRriS11_0:$src1)),
(i64 (A2_sxtw (L2_loadrb_io AddrFI:$src1, 0)))>;
// Convert sign-extended load back to load and sign extend.
// i16 -> i64
def: Pat <(i64 (sextloadi16 ADDRriS11_1:$src1)),
(i64 (A2_sxtw (L2_loadrh_io AddrFI:$src1, 0)))>;
// Convert sign-extended load back to load and sign extend.
// i32 -> i64
def: Pat <(i64 (sextloadi32 ADDRriS11_2:$src1)),
@ -4940,67 +4893,6 @@ def: Pat <(i64 (sextloadi32 ADDRriS11_2:$src1)),
def: Pat<(i32 (zext (i1 PredRegs:$src1))),
(C2_muxii PredRegs:$src1, 1, 0)>;
// i1 -> i64
def : Pat <(i64 (zext (i1 PredRegs:$src1))),
(i64 (A2_combinew (A2_tfrsi 0), (C2_muxii (i1 PredRegs:$src1), 1, 0)))>,
Requires<[NoV4T]>;
// i32 -> i64
def : Pat <(i64 (zext (i32 IntRegs:$src1))),
(i64 (A2_combinew (A2_tfrsi 0), (i32 IntRegs:$src1)))>,
Requires<[NoV4T]>;
// i8 -> i64
def: Pat <(i64 (zextloadi8 ADDRriS11_0:$src1)),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadrub_io AddrFI:$src1, 0)))>,
Requires<[NoV4T]>;
let AddedComplexity = 20 in
def: Pat <(i64 (zextloadi8 (add (i32 IntRegs:$src1),
s11_0ExtPred:$offset))),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadrub_io IntRegs:$src1,
s11_0ExtPred:$offset)))>,
Requires<[NoV4T]>;
// i1 -> i64
def: Pat <(i64 (zextloadi1 ADDRriS11_0:$src1)),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadrub_io AddrFI:$src1, 0)))>,
Requires<[NoV4T]>;
let AddedComplexity = 20 in
def: Pat <(i64 (zextloadi1 (add (i32 IntRegs:$src1),
s11_0ExtPred:$offset))),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadrub_io IntRegs:$src1,
s11_0ExtPred:$offset)))>,
Requires<[NoV4T]>;
// i16 -> i64
def: Pat <(i64 (zextloadi16 ADDRriS11_1:$src1)),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadruh_io AddrFI:$src1, 0)))>,
Requires<[NoV4T]>;
let AddedComplexity = 20 in
def: Pat <(i64 (zextloadi16 (add (i32 IntRegs:$src1),
s11_1ExtPred:$offset))),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadruh_io IntRegs:$src1,
s11_1ExtPred:$offset)))>,
Requires<[NoV4T]>;
// i32 -> i64
def: Pat <(i64 (zextloadi32 ADDRriS11_2:$src1)),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadri_io AddrFI:$src1, 0)))>,
Requires<[NoV4T]>;
let AddedComplexity = 100 in
def: Pat <(i64 (zextloadi32 (i32 (add IntRegs:$src1, s11_2ExtPred:$offset)))),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadri_io IntRegs:$src1,
s11_2ExtPred:$offset)))>,
Requires<[NoV4T]>;
let AddedComplexity = 10 in
def: Pat <(i32 (zextloadi1 ADDRriS11_0:$src1)),
(i32 (L2_loadri_io AddrFI:$src1, 0))>;
// Map from Rs = Pd to Pd = mux(Pd, #1, #0)
def: Pat<(i32 (anyext (i1 PredRegs:$src1))),
(C2_muxii PredRegs:$src1, 1, 0)>;
@ -5009,92 +4901,12 @@ def: Pat<(i32 (anyext (i1 PredRegs:$src1))),
def: Pat<(i64 (anyext (i1 PredRegs:$src1))),
(A2_sxtw (C2_muxii PredRegs:$src1, 1, 0))>;
// Map from Rss = Pd to Rdd = A2_sxtw (mux(Pd, #1, #0))
def : Pat <(i64 (anyext (i1 PredRegs:$src1))),
(i64 (A2_sxtw (i32 (C2_muxii (i1 PredRegs:$src1), 1, 0))))>;
let AddedComplexity = 100 in
def: Pat<(i64 (or (i64 (shl (i64 DoubleRegs:$srcHigh),
(i32 32))),
(i64 (zextloadi32 (i32 (add IntRegs:$src2,
s11_2ExtPred:$offset2)))))),
(i64 (A2_combinew (EXTRACT_SUBREG (i64 DoubleRegs:$srcHigh), subreg_loreg),
(L2_loadri_io IntRegs:$src2,
s11_2ExtPred:$offset2)))>;
def: Pat<(i64 (or (i64 (shl (i64 DoubleRegs:$srcHigh),
(i32 32))),
(i64 (zextloadi32 ADDRriS11_2:$srcLow)))),
(i64 (A2_combinew (EXTRACT_SUBREG (i64 DoubleRegs:$srcHigh), subreg_loreg),
(L2_loadri_io AddrFI:$srcLow, 0)))>;
def: Pat<(i64 (or (i64 (shl (i64 DoubleRegs:$srcHigh),
(i32 32))),
(i64 (zext (i32 IntRegs:$srcLow))))),
(i64 (A2_combinew (EXTRACT_SUBREG (i64 DoubleRegs:$srcHigh), subreg_loreg),
IntRegs:$srcLow))>;
let AddedComplexity = 100 in
def: Pat<(i64 (or (i64 (shl (i64 DoubleRegs:$srcHigh),
(i32 32))),
(i64 (zextloadi32 (i32 (add IntRegs:$src2,
s11_2ExtPred:$offset2)))))),
(i64 (A2_combinew (EXTRACT_SUBREG (i64 DoubleRegs:$srcHigh), subreg_loreg),
(L2_loadri_io IntRegs:$src2,
s11_2ExtPred:$offset2)))>;
def: Pat<(i64 (or (i64 (shl (i64 DoubleRegs:$srcHigh),
(i32 32))),
(i64 (zextloadi32 ADDRriS11_2:$srcLow)))),
(i64 (A2_combinew (EXTRACT_SUBREG (i64 DoubleRegs:$srcHigh), subreg_loreg),
(L2_loadri_io AddrFI:$srcLow, 0)))>;
def: Pat<(i64 (or (i64 (shl (i64 DoubleRegs:$srcHigh),
(i32 32))),
(i64 (zext (i32 IntRegs:$srcLow))))),
(i64 (A2_combinew (EXTRACT_SUBREG (i64 DoubleRegs:$srcHigh), subreg_loreg),
IntRegs:$srcLow))>;
// Any extended 64-bit load.
// anyext i32 -> i64
def: Pat <(i64 (extloadi32 ADDRriS11_2:$src1)),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadri_io AddrFI:$src1, 0)))>,
Requires<[NoV4T]>;
// When there is an offset we should prefer the pattern below over the pattern above.
// The complexity of the above is 13 (gleaned from HexagonGenDAGIsel.inc)
// So this complexity below is comfortably higher to allow for choosing the below.
// If this is not done then we generate addresses such as
// ********************************************
// r1 = add (r0, #4)
// r1 = memw(r1 + #0)
// instead of
// r1 = memw(r0 + #4)
// ********************************************
let AddedComplexity = 100 in
def: Pat <(i64 (extloadi32 (i32 (add IntRegs:$src1, s11_2ExtPred:$offset)))),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadri_io IntRegs:$src1,
s11_2ExtPred:$offset)))>,
Requires<[NoV4T]>;
// anyext i16 -> i64.
def: Pat <(i64 (extloadi16 ADDRriS11_2:$src1)),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadrh_io AddrFI:$src1, 0)))>,
Requires<[NoV4T]>;
let AddedComplexity = 20 in
def: Pat <(i64 (extloadi16 (add (i32 IntRegs:$src1),
s11_1ExtPred:$offset))),
(i64 (A2_combinew (A2_tfrsi 0), (L2_loadrh_io IntRegs:$src1,
s11_1ExtPred:$offset)))>,
Requires<[NoV4T]>;
// Map from Rdd = zxtw(Rs) -> Rdd = combine(0, Rs).
def : Pat<(i64 (zext (i32 IntRegs:$src1))),
(i64 (A2_combinew (A2_tfrsi 0), (i32 IntRegs:$src1)))>,
Requires<[NoV4T]>;
// Multiply 64-bit unsigned and use upper result.
def : Pat <(mulhu (i64 DoubleRegs:$src1), (i64 DoubleRegs:$src2)),
(A2_addp