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Revert " [LoongArch][ISel] Check the number of sign bits in PatGprGpr_32 (llvm#107432)"
This reverts commit 78654fa.
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llvm/lib/Target/LoongArch/LoongArchInstrInfo.td

Lines changed: 1 addition & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1081,13 +1081,10 @@ def RDTIME_D : RDTIME_2R<0x00006800>;
10811081

10821082
/// Generic pattern classes
10831083

1084-
def assertsexti32 : PatFrag<(ops node:$src), (assertsext node:$src), [{
1085-
return cast<VTSDNode>(N->getOperand(1))->getVT().bitsLE(MVT::i32);
1086-
}]>;
10871084
class PatGprGpr<SDPatternOperator OpNode, LAInst Inst>
10881085
: Pat<(OpNode GPR:$rj, GPR:$rk), (Inst GPR:$rj, GPR:$rk)>;
10891086
class PatGprGpr_32<SDPatternOperator OpNode, LAInst Inst>
1090-
: Pat<(sext_inreg (OpNode (assertsexti32 GPR:$rj), (assertsexti32 GPR:$rk)), i32), (Inst GPR:$rj, GPR:$rk)>;
1087+
: Pat<(sext_inreg (OpNode GPR:$rj, GPR:$rk), i32), (Inst GPR:$rj, GPR:$rk)>;
10911088
class PatGpr<SDPatternOperator OpNode, LAInst Inst>
10921089
: Pat<(OpNode GPR:$rj), (Inst GPR:$rj)>;
10931090

llvm/test/CodeGen/LoongArch/ir-instruction/sdiv-udiv-srem-urem.ll

Lines changed: 0 additions & 61 deletions
Original file line numberDiff line numberDiff line change
@@ -1151,64 +1151,3 @@ entry:
11511151
%r = urem i64 %a, %b
11521152
ret i64 %r
11531153
}
1154-
1155-
define signext i32 @pr107414(i32 signext %x) {
1156-
; LA32-LABEL: pr107414:
1157-
; LA32: # %bb.0: # %entry
1158-
; LA32-NEXT: addi.w $sp, $sp, -16
1159-
; LA32-NEXT: .cfi_def_cfa_offset 16
1160-
; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
1161-
; LA32-NEXT: .cfi_offset 1, -4
1162-
; LA32-NEXT: move $a2, $a0
1163-
; LA32-NEXT: srai.w $a3, $a0, 31
1164-
; LA32-NEXT: lu12i.w $a0, -266831
1165-
; LA32-NEXT: ori $a0, $a0, 3337
1166-
; LA32-NEXT: move $a1, $zero
1167-
; LA32-NEXT: bl %plt(__divdi3)
1168-
; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
1169-
; LA32-NEXT: addi.w $sp, $sp, 16
1170-
; LA32-NEXT: ret
1171-
;
1172-
; LA64-LABEL: pr107414:
1173-
; LA64: # %bb.0: # %entry
1174-
; LA64-NEXT: lu12i.w $a1, -266831
1175-
; LA64-NEXT: ori $a1, $a1, 3337
1176-
; LA64-NEXT: lu32i.d $a1, 0
1177-
; LA64-NEXT: div.d $a0, $a1, $a0
1178-
; LA64-NEXT: addi.w $a0, $a0, 0
1179-
; LA64-NEXT: ret
1180-
;
1181-
; LA32-TRAP-LABEL: pr107414:
1182-
; LA32-TRAP: # %bb.0: # %entry
1183-
; LA32-TRAP-NEXT: addi.w $sp, $sp, -16
1184-
; LA32-TRAP-NEXT: .cfi_def_cfa_offset 16
1185-
; LA32-TRAP-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill
1186-
; LA32-TRAP-NEXT: .cfi_offset 1, -4
1187-
; LA32-TRAP-NEXT: move $a2, $a0
1188-
; LA32-TRAP-NEXT: srai.w $a3, $a0, 31
1189-
; LA32-TRAP-NEXT: lu12i.w $a0, -266831
1190-
; LA32-TRAP-NEXT: ori $a0, $a0, 3337
1191-
; LA32-TRAP-NEXT: move $a1, $zero
1192-
; LA32-TRAP-NEXT: bl %plt(__divdi3)
1193-
; LA32-TRAP-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload
1194-
; LA32-TRAP-NEXT: addi.w $sp, $sp, 16
1195-
; LA32-TRAP-NEXT: ret
1196-
;
1197-
; LA64-TRAP-LABEL: pr107414:
1198-
; LA64-TRAP: # %bb.0: # %entry
1199-
; LA64-TRAP-NEXT: lu12i.w $a1, -266831
1200-
; LA64-TRAP-NEXT: ori $a1, $a1, 3337
1201-
; LA64-TRAP-NEXT: lu32i.d $a1, 0
1202-
; LA64-TRAP-NEXT: div.d $a1, $a1, $a0
1203-
; LA64-TRAP-NEXT: bnez $a0, .LBB32_2
1204-
; LA64-TRAP-NEXT: # %bb.1: # %entry
1205-
; LA64-TRAP-NEXT: break 7
1206-
; LA64-TRAP-NEXT: .LBB32_2: # %entry
1207-
; LA64-TRAP-NEXT: addi.w $a0, $a1, 0
1208-
; LA64-TRAP-NEXT: ret
1209-
entry:
1210-
%conv = sext i32 %x to i64
1211-
%div = sdiv i64 3202030857, %conv
1212-
%conv1 = trunc i64 %div to i32
1213-
ret i32 %conv1
1214-
}

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