[RISCV] Set isReMaterializable for ORI, XORI

Reviewers: asb

Reviewed By: asb

Subscribers: asb, rbar, johnrusso, simoncook, sabuasal, niosHD, kito-cheng, shiva0217, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei

Differential Revision: https://reviews.llvm.org/D57069

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@352008 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/RISCV/RISCVInstrInfo.td b/lib/Target/RISCV/RISCVInstrInfo.td
index 787ddf16952235a7211924cdb17a96b905c1ff9f..3ba86cfcdfd30a20cf7517f1adc2cfbb0e79101d 100644 (file)
--- a/lib/Target/RISCV/RISCVInstrInfo.td
+++ b/lib/Target/RISCV/RISCVInstrInfo.td
@@ -353,8 +353,12 @@ def ADDI  : ALU_ri<0b000, "addi">;
 
 def SLTI  : ALU_ri<0b010, "slti">;
 def SLTIU : ALU_ri<0b011, "sltiu">;
+
+let isReMaterializable = 1 in {
 def XORI  : ALU_ri<0b100, "xori">;
 def ORI   : ALU_ri<0b110, "ori">;
+}
+
 def ANDI  : ALU_ri<0b111, "andi">;
 
 def SLLI : Shift_ri<0, 0b001, "slli">;