Change MRC and MRC2 instructions to model the output register properly
llvm-svn: 128085
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index da2a661..0c07d70 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -3489,10 +3489,9 @@
// Move between coprocessor and ARM core register -- for disassembly only
//
-class MovRCopro<string opc, bit direction>
- : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
- GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
- NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
+class MovRCopro<string opc, bit direction, dag oops, dag iops>
+ : ABI<0b1110, oops, iops, NoItinerary, opc,
+ "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
let Inst{20} = direction;
let Inst{4} = 1;
@@ -3512,13 +3511,17 @@
let Inst{19-16} = CRn;
}
-def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
-def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
+def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
+ (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
+ i32imm:$opc2)>;
+def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
+ (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRn, c_imm:$CRm, i32imm:$opc2)>;
-class MovRCopro2<string opc, bit direction>
- : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
- GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
- NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
+class MovRCopro2<string opc, bit direction, dag oops, dag iops>
+ : ABXI<0b1110, oops, iops, NoItinerary,
+ !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{20} = direction;
@@ -3539,8 +3542,14 @@
let Inst{19-16} = CRn;
}
-def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
-def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
+def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
+ (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
+ i32imm:$opc2)>;
+def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
+ (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRn, c_imm:$CRm,
+ i32imm:$opc2)>;
class MovRRCopro<string opc, bit direction>
: ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,