//
//===----------------------------------------------------------------------===//
-def uimm5 : Operand<i8> {
- let DecoderMethod= "DecodeSimm16";
-}
-
//
// RRR-type instruction format
//
//
// RR-type instruction format
//
+
+class FRR16_ins<bits<5> f, string asmstr, InstrItinClass itin> :
+ FRR16<f, (outs CPU16Regs:$rx), (ins CPU16Regs:$ry),
+ !strconcat(asmstr, "\t$rx, $ry"), [], itin> {
+}
+
+class FRxRxRy16_ins<bits<5> f, string asmstr,
+ InstrItinClass itin> :
+ FRR16<f, (outs CPU16Regs:$rz), (ins CPU16Regs:$rx, CPU16Regs:$ry),
+ !strconcat(asmstr, "\t$rz, $ry"),
+ [], itin> {
+ let Constraints = "$rx = $rz";
+}
+
let rx=0 in
class FRR16_JALRC_RA_only_ins<bits<1> nd_, bits<1> l_,
string asmstr, InstrItinClass itin>:
FEXT_RRI16<op, (outs CPU16Regs:$ry), (ins MemOpnd:$addr),
!strconcat(asmstr, "\t$ry, $addr"), [], itin>;
+class FEXT_RRI16_mem2_ins<bits<5> op, string asmstr, Operand MemOpnd,
+ InstrItinClass itin>:
+ FEXT_RRI16<op, (outs ), (ins CPU16Regs:$ry, MemOpnd:$addr),
+ !strconcat(asmstr, "\t$ry, $addr"), [], itin>;
+
//
// EXT-SHIFT instruction format
//
class FEXT_SHIFT16_ins<bits<2> _f, string asmstr, InstrItinClass itin>:
- FEXT_SHIFT16<_f, (outs CPU16Regs:$rx), (ins CPU16Regs:$ry, uimm5:$sa),
+ FEXT_SHIFT16<_f, (outs CPU16Regs:$rx), (ins CPU16Regs:$ry, shamt:$sa),
!strconcat(asmstr, "\t$rx, $ry, $sa"), [], itin>;
//
let EncoderMethod = "getMemEncoding";
}
+//
+// Some general instruction class info
+//
+//
+
+class ArithLogic16Defs<bit isCom=0> {
+ bits<5> shamt = 0;
+ bit isCommutable = isCom;
+ bit isReMaterializable = 1;
+ bit neverHasSideEffects = 1;
+}
+
//
// Format: ADDIU rx, immediate MIPS16e
// Purpose: Add Immediate Unsigned Word (2-Operand, Extended)
// To add a constant to a 32-bit integer.
//
-class AddiuRxImmX16_base: FEXT_RI16_ins<0b01001, "addiu", IIAlu>;
-def AddiuRxImmX16: AddiuRxImmX16_base;
-
+def AddiuRxImmX16: FEXT_RI16_ins<0b01001, "addiu", IIAlu>;
-class AddiuRxRxImmX16_base: FEXT_2RI16_ins<0b01001, "addiu", IIAlu>;
-def AddiuRxRxImmX16: AddiuRxRxImmX16_base;
+def AddiuRxRxImmX16: FEXT_2RI16_ins<0b01001, "addiu", IIAlu>,
+ ArithLogic16Defs<0>;
//
// Purpose: Add Immediate Unsigned Word (3-Operand, PC-Relative, Extended)
// To add a constant to the program counter.
//
-class AddiuRxPcImmX16_base : FEXT_RI16_PC_ins<0b00001, "addiu", IIAlu>;
-def AddiuRxPcImmX16 : AddiuRxPcImmX16_base;
+def AddiuRxPcImmX16: FEXT_RI16_PC_ins<0b00001, "addiu", IIAlu>;
//
// Format: ADDU rz, rx, ry MIPS16e
// Purpose: Add Unsigned Word (3-Operand)
// To add 32-bit integers.
//
-class AdduRxRyRz16_base: FRRR16_ins<01, "addu", IIAlu>;
-def AdduRxRyRz16: AdduRxRyRz16_base;
+def AdduRxRyRz16: FRRR16_ins<01, "addu", IIAlu>, ArithLogic16Defs<1>;
+
+//
+// Format: AND rx, ry MIPS16e
+// Purpose: AND
+// To do a bitwise logical AND.
+
+def AndRxRxRy16: FRxRxRy16_ins<0b01100, "and", IIAlu>, ArithLogic16Defs<1>;
//
// Format: JR ra MIPS16e
def JrRa16: FRR16_JALRC_RA_only_ins<0, 0, "jr", IIAlu>;
+//
+// Format: LB ry, offset(rx) MIPS16e
+// Purpose: Load Byte (Extended)
+// To load a byte from memory as a signed value.
+//
+def LbRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10011, "lb", mem16, IIAlu>;
+
+//
+// Format: LBU ry, offset(rx) MIPS16e
+// Purpose: Load Byte Unsigned (Extended)
+// To load a byte from memory as a unsigned value.
+//
+def LbuRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10100, "lbu", mem16, IIAlu>;
+
+//
+// Format: LH ry, offset(rx) MIPS16e
+// Purpose: Load Halfword signed (Extended)
+// To load a halfword from memory as a signed value.
+//
+def LhRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10100, "lh", mem16, IIAlu>;
+
+//
+// Format: LHU ry, offset(rx) MIPS16e
+// Purpose: Load Halfword unsigned (Extended)
+// To load a halfword from memory as an unsigned value.
+//
+def LhuRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10100, "lhu", mem16, IIAlu>;
+
//
// Format: LI rx, immediate MIPS16e
// Purpose: Load Immediate (Extended)
// Purpose: Load Word (Extended)
// To load a word from memory as a signed value.
//
-class LwRxRyOffMemX16_base: FEXT_RRI16_mem_ins<0b10011, "lw", mem16, IIAlu>;
-def LwRxRyOffMemX16: LwRxRyOffMemX16_base;
+def LwRxRyOffMemX16: FEXT_RRI16_mem_ins<0b10011, "lw", mem16, IIAlu>;
//
// Format: MOVE r32, rz MIPS16e
// To move the contents of a GPR to a GPR.
//
def Mov32R16: FI8_MOV32R16_ins<"move", IIAlu>;
+
+//
+// Format: NEG rx, ry MIPS16e
+// Purpose: Negate
+// To negate an integer value.
+//
+def NegRxRy16: FRR16_ins<0b11101, "neg", IIAlu>;
+
+//
+// Format: NOT rx, ry MIPS16e
+// Purpose: Not
+// To complement an integer value
+//
+def NotRxRy16: FRR16_ins<0b01111, "not", IIAlu>;
+
+//
+// Format: OR rx, ry MIPS16e
+// Purpose: Or
+// To do a bitwise logical OR.
+//
+def OrRxRxRy16: FRxRxRy16_ins<0b01101, "or", IIAlu>, ArithLogic16Defs<1>;
+
//
// Format: RESTORE {ra,}{s0/s1/s0-1,}{framesize}
// (All args are optional) MIPS16e
FI8_SVRS16<0b1, (outs), (ins uimm16:$frame_size),
"save \t$$ra, $frame_size", [], IILoad >;
+//
+// Format: SB ry, offset(rx) MIPS16e
+// Purpose: Store Byte (Extended)
+// To store a byte to memory.
+//
+def SbRxRyOffMemX16: FEXT_RRI16_mem2_ins<0b11000, "sb", mem16, IIAlu>;
+
+//
+// Format: SH ry, offset(rx) MIPS16e
+// Purpose: Store Halfword (Extended)
+// To store a halfword to memory.
+//
+def ShRxRyOffMemX16: FEXT_RRI16_mem2_ins<0b11001, "sh", mem16, IIAlu>;
+
//
// Format: SLL rx, ry, sa MIPS16e
// Purpose: Shift Word Left Logical (Extended)
//
def SllX16: FEXT_SHIFT16_ins<0b00, "sll", IIAlu>;
+//
+// Format: SLLV ry, rx MIPS16e
+// Purpose: Shift Word Left Logical Variable
+// To execute a left-shift of a word by a variable number of bits.
+//
+def SllvRxRy16 : FRxRxRy16_ins<0b00100, "sllv", IIAlu>;
+
+
+//
+// Format: SRAV ry, rx MIPS16e
+// Purpose: Shift Word Right Arithmetic Variable
+// To execute an arithmetic right-shift of a word by a variable
+// number of bits.
+//
+def SravRxRy16: FRxRxRy16_ins<0b00111, "srav", IIAlu>;
+
+
+//
+// Format: SRA rx, ry, sa MIPS16e
+// Purpose: Shift Word Right Arithmetic (Extended)
+// To execute an arithmetic right-shift of a word by a fixed
+// number of bits—1 to 8 bits.
+//
+def SraX16: FEXT_SHIFT16_ins<0b11, "sra", IIAlu>;
+
+
+//
+// Format: SRLV ry, rx MIPS16e
+// Purpose: Shift Word Right Logical Variable
+// To execute a logical right-shift of a word by a variable
+// number of bits.
+//
+def SrlvRxRy16: FRxRxRy16_ins<0b00110, "srlv", IIAlu>;
+
+
+//
+// Format: SRL rx, ry, sa MIPS16e
+// Purpose: Shift Word Right Logical (Extended)
+// To execute a logical right-shift of a word by a fixed
+// number of bits—1 to 31 bits.
+//
+def SrlX16: FEXT_SHIFT16_ins<0b10, "srl", IIAlu>;
+
+//
+// Format: SUBU rz, rx, ry MIPS16e
+// Purpose: Subtract Unsigned Word
+// To subtract 32-bit integers
+//
+def SubuRxRyRz16: FRRR16_ins<0b11, "subu", IIAlu>, ArithLogic16Defs<0>;
+
//
// Format: SW ry, offset(rx) MIPS16e
// Purpose: Store Word (Extended)
// To store a word to memory.
//
-class SwRxRyOffMemX16_base: FEXT_RRI16_mem_ins<0b11011, "sw", mem16, IIAlu>;
-def SwRxRyOffMemX16: SwRxRyOffMemX16_base;
+def SwRxRyOffMemX16: FEXT_RRI16_mem2_ins<0b11011, "sw", mem16, IIAlu>;
+
+//
+// Format: XOR rx, ry MIPS16e
+// Purpose: Xor
+// To do a bitwise logical XOR.
+//
+def XorRxRxRy16: FRxRxRy16_ins<0b01110, "xor", IIAlu>, ArithLogic16Defs<1>;
class Mips16Pat<dag pattern, dag result> : Pat<pattern, result> {
let Predicates = [InMips16Mode];
}
-class ArithLogicR16Defs<SDNode OpNode, bit isComm = 0> {
- dag OutOperandList = (outs CPU16Regs:$rz);
- dag InOperandList = (ins CPU16Regs:$rx, CPU16Regs:$ry);
- list<dag> Pattern = [(set CPU16Regs:$rz,
- (OpNode CPU16Regs:$rx, CPU16Regs:$ry))];
-}
+// Unary Arith/Logic
+//
+class ArithLogicU_pat<PatFrag OpNode, Instruction I> :
+ Mips16Pat<(OpNode CPU16Regs:$r),
+ (I CPU16Regs:$r)>;
-multiclass ArithLogicR16_base {
- def _add: AdduRxRyRz16_base, ArithLogicR16Defs<add, 1>;
-}
+def: ArithLogicU_pat<not, NotRxRy16>;
+def: ArithLogicU_pat<ineg, NegRxRy16>;
-defm ArithLogicR16_patt : ArithLogicR16_base;
+class ArithLogic16_pat<SDNode OpNode, Instruction I> :
+ Mips16Pat<(OpNode CPU16Regs:$l, CPU16Regs:$r),
+ (I CPU16Regs:$l, CPU16Regs:$r)>;
-class LoadM16Defs<PatFrag OpNode, Operand _MemOpnd, bit Pseudo=0> {
- bit isPseudo = Pseudo;
- Operand MemOpnd = _MemOpnd;
- dag OutOperandList = (outs CPU16Regs:$ry);
- dag InOperandList = (ins MemOpnd:$addr);
- list<dag> Pattern = [(set CPU16Regs:$ry, (OpNode addr:$addr))];
-}
+def: ArithLogic16_pat<add, AdduRxRyRz16>;
+def: ArithLogic16_pat<and, AndRxRxRy16>;
+def: ArithLogic16_pat<or, OrRxRxRy16>;
+def: ArithLogic16_pat<sub, SubuRxRyRz16>;
+def: ArithLogic16_pat<xor, XorRxRxRy16>;
-multiclass LoadM16_base {
- def _LwRxRyOffMemX16: LwRxRyOffMemX16_base, LoadM16Defs<load_a, mem16>;
-}
+// Arithmetic and logical instructions with 2 register operands.
-defm LoadM16: LoadM16_base;
+class ArithLogicI16_pat<SDNode OpNode, PatFrag imm_type, Instruction I> :
+ Mips16Pat<(OpNode CPU16Regs:$in, imm_type:$imm),
+ (I CPU16Regs:$in, imm_type:$imm)>;
-class StoreM16Defs<PatFrag OpNode, Operand _MemOpnd, bit Pseudo=0> {
- bit isPseudo = Pseudo;
- Operand MemOpnd = _MemOpnd;
- dag OutOperandList = (outs );
- dag InOperandList = (ins CPU16Regs:$ry, MemOpnd:$addr);
- list<dag> Pattern = [(OpNode CPU16Regs:$ry, addr:$addr)];
-}
+def: ArithLogicI16_pat<add, immSExt16, AddiuRxRxImmX16>;
+def: ArithLogicI16_pat<shl, immZExt5, SllX16>;
+def: ArithLogicI16_pat<srl, immZExt5, SrlX16>;
+def: ArithLogicI16_pat<sra, immZExt5, SraX16>;
-multiclass StoreM16_base {
- def _SwRxRyOffMemX16: SwRxRyOffMemX16_base, StoreM16Defs<store_a, mem16>;
-}
+class shift_rotate_reg16_pat<SDNode OpNode, Instruction I> :
+ Mips16Pat<(OpNode CPU16Regs:$r, CPU16Regs:$ra),
+ (I CPU16Regs:$r, CPU16Regs:$ra)>;
+
+def: shift_rotate_reg16_pat<shl, SllvRxRy16>;
+def: shift_rotate_reg16_pat<sra, SravRxRy16>;
+def: shift_rotate_reg16_pat<srl, SrlvRxRy16>;
+
+class LoadM16_pat<PatFrag OpNode, Instruction I> :
+ Mips16Pat<(OpNode addr:$addr), (I addr:$addr)>;
+
+def: LoadM16_pat<sextloadi8, LbRxRyOffMemX16>;
+def: LoadM16_pat<zextloadi8, LbuRxRyOffMemX16>;
+def: LoadM16_pat<sextloadi16_a, LhRxRyOffMemX16>;
+def: LoadM16_pat<zextloadi16_a, LhuRxRyOffMemX16>;
+def: LoadM16_pat<load_a, LwRxRyOffMemX16>;
+
+class StoreM16_pat<PatFrag OpNode, Instruction I> :
+ Mips16Pat<(OpNode CPU16Regs:$r, addr:$addr), (I CPU16Regs:$r, addr:$addr)>;
+
+def: StoreM16_pat<truncstorei8, SbRxRyOffMemX16>;
+def: StoreM16_pat<truncstorei16_a, ShRxRyOffMemX16>;
+def: StoreM16_pat<store_a, SwRxRyOffMemX16>;
-defm StoreM16: StoreM16_base;
// Jump and Link (Call)
let isCall=1, hasDelaySlot=1 in
def RetRA16 : MipsPseudo16<(outs), (ins), "", [(MipsRet)]>;
// Small immediates
-def : Mips16Pat<(i32 immZExt16:$in), (LiRxImmX16 immZExt16:$in)>;
-
+def: Mips16Pat<(i32 immZExt16:$in), (LiRxImmX16 immZExt16:$in)>;
-def : Mips16Pat<(add CPU16Regs:$hi, (MipsLo tglobaladdr:$lo)),
- (AddiuRxRxImmX16 CPU16Regs:$hi, tglobaladdr:$lo)>;
+def: Mips16Pat<(add CPU16Regs:$hi, (MipsLo tglobaladdr:$lo)),
+ (AddiuRxRxImmX16 CPU16Regs:$hi, tglobaladdr:$lo)>;
unsigned OpNo, int FrameIndex,
uint64_t StackSize,
int64_t SPOffset) const {
+ MachineInstr &MI = *II;
+ MachineFunction &MF = *MI.getParent()->getParent();
+ MachineFrameInfo *MFI = MF.getFrameInfo();
+ MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
+
+ const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
+ int MinCSFI = 0;
+ int MaxCSFI = -1;
+
+ if (CSI.size()) {
+ MinCSFI = CSI[0].getFrameIdx();
+ MaxCSFI = CSI[CSI.size() - 1].getFrameIdx();
+ }
+
+ // The following stack frame objects are always
+ // referenced relative to $sp:
+ // 1. Outgoing arguments.
+ // 2. Pointer to dynamically allocated stack space.
+ // 3. Locations for callee-saved registers.
+ // Everything else is referenced relative to whatever register
+ // getFrameRegister() returns.
+ unsigned FrameReg;
+
+ if (MipsFI->isOutArgFI(FrameIndex) ||
+ (FrameIndex >= MinCSFI && FrameIndex <= MaxCSFI))
+ FrameReg = Subtarget.isABI_N64() ? Mips::SP_64 : Mips::SP;
+ else
+ FrameReg = getFrameRegister(MF);
+
+ // Calculate final offset.
+ // - There is no need to change the offset if the frame object
+ // is one of the
+ // following: an outgoing argument, pointer to a dynamically allocated
+ // stack space or a $gp restore location,
+ // - If the frame object is any of the following,
+ // its offset must be adjusted
+ // by adding the size of the stack:
+ // incoming argument, callee-saved register location or local variable.
+ int64_t Offset;
+
+ if (MipsFI->isOutArgFI(FrameIndex))
+ Offset = SPOffset;
+ else
+ Offset = SPOffset + (int64_t)StackSize;
+
+ Offset += MI.getOperand(OpNo + 1).getImm();
+
+ DEBUG(errs() << "Offset : " << Offset << "\n" << "<--------->\n");
+
+ MI.getOperand(OpNo).ChangeToRegister(FrameReg, false);
+ MI.getOperand(OpNo + 1).ChangeToImmediate(Offset);
+
+
}
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@x = global i32 65504, align 4
+@y = global i32 60929, align 4
+@.str = private unnamed_addr constant [7 x i8] c"%08x \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @x, align 4
+ %1 = load i32* @y, align 4
+ %and = and i32 %0, %1
+; 16: and ${{[0-9]+}}, ${{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0), i32 %and)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@c = global i8 -1, align 1
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %i = alloca i32, align 4
+ %0 = load i8* @c, align 1
+; 16: lb ${{[0-9]+}}, 0(${{[0-9]+}})
+ %conv = sext i8 %0 to i32
+ store i32 %conv, i32* %i, align 4
+ %1 = load i32* %i, align 4
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@c = global i8 97, align 1
+@.str = private unnamed_addr constant [5 x i8] c"%c \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %i = alloca i32, align 4
+ %0 = load i8* @c, align 1
+ %conv = zext i8 %0 to i32
+; 16: lbu ${{[0-9]+}}, 0(${{[0-9]+}})
+ store i32 %conv, i32* %i, align 4
+ %1 = load i8* @c, align 1
+ %conv1 = zext i8 %1 to i32
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %conv1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@s = global i16 -1, align 2
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %i = alloca i32, align 4
+ %0 = load i16* @s, align 2
+ %conv = sext i16 %0 to i32
+; 16: lh ${{[0-9]+}}, 0(${{[0-9]+}})
+ store i32 %conv, i32* %i, align 4
+ %1 = load i32* %i, align 4
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+
+@s = global i16 255, align 2
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %i = alloca i32, align 4
+ %0 = load i16* @s, align 2
+ %conv = zext i16 %0 to i32
+; 16: lhu ${{[0-9]+}}, 0(${{[0-9]+}})
+ store i32 %conv, i32* %i, align 4
+ %1 = load i32* %i, align 4
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 10, align 4
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %sub = sub nsw i32 0, %0
+; 16: neg ${{[0-9]+}}, ${{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %sub)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@x = global i32 65504, align 4
+@y = global i32 60929, align 4
+@.str = private unnamed_addr constant [7 x i8] c"%08x \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @x, align 4
+ %neg = xor i32 %0, -1
+; 16: not ${{[0-9]+}}, ${{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0), i32 %neg)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@x = global i32 65504, align 4
+@y = global i32 60929, align 4
+@.str = private unnamed_addr constant [7 x i8] c"%08x \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @x, align 4
+ %1 = load i32* @y, align 4
+ %or = or i32 %0, %1
+; 16: or ${{[0-9]+}}, ${{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0), i32 %or)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 97, align 4
+@c = common global i8 0, align 1
+@.str = private unnamed_addr constant [8 x i8] c"%i %c \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %conv = trunc i32 %0 to i8
+ store i8 %conv, i8* @c, align 1
+ %1 = load i32* @i, align 4
+ %2 = load i8* @c, align 1
+ %conv1 = sext i8 %2 to i32
+; 16: sb ${{[0-9]+}}, 0(${{[0-9]+}})
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([8 x i8]* @.str, i32 0, i32 0), i32 %1, i32 %conv1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 97, align 4
+@s = common global i16 0, align 2
+@.str = private unnamed_addr constant [9 x i8] c"%i %hi \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %conv = trunc i32 %0 to i16
+ store i16 %conv, i16* @s, align 2
+ %1 = load i32* @i, align 4
+ %2 = load i16* @s, align 2
+ %conv1 = sext i16 %2 to i32
+; 16: sh ${{[0-9]+}}, 0(${{[0-9]+}})
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0), i32 %1, i32 %conv1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 10, align 4
+@j = global i32 0, align 4
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+; 16: sll ${{[0-9]+}}, ${{[0-9]+}}, {{[0-9]+}}
+ %0 = load i32* @i, align 4
+ %shl = shl i32 %0, 4
+; 16: sll ${{[0-9]+}}, ${{[0-9]+}}, {{[0-9]+}}
+ store i32 %shl, i32* @j, align 4
+ %1 = load i32* @j, align 4
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 10, align 4
+@j = global i32 4, align 4
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %1 = load i32* @j, align 4
+ %shl = shl i32 %0, %1
+; 16: sllv ${{[0-9]+}}, ${{[0-9]+}}
+ store i32 %shl, i32* @i, align 4
+ %2 = load i32* @j, align 4
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %2)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 -354, align 4
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %shr = ashr i32 %0, 3
+; 16: sra ${{[0-9]+}}, ${{[0-9]+}}, {{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %shr)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 -354, align 4
+@j = global i32 3, align 4
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %1 = load i32* @j, align 4
+ %shr = ashr i32 %0, %1
+; 16: srav ${{[0-9]+}}, ${{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %shr)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 10654, align 4
+@j = global i32 0, align 4
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %shr = lshr i32 %0, 4
+; 16: srl ${{[0-9]+}}, ${{[0-9]+}}, {{[0-9]+}}
+ store i32 %shr, i32* @j, align 4
+ %1 = load i32* @j, align 4
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %1)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 10654, align 4
+@j = global i32 0, align 4
+@k = global i32 4, align 4
+@.str = private unnamed_addr constant [5 x i8] c"%i \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %1 = load i32* @k, align 4
+ %shr = lshr i32 %0, %1
+; 16: srlv ${{[0-9]+}}, ${{[0-9]+}}
+ store i32 %shr, i32* @j, align 4
+ %2 = load i32* @j, align 4
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 %2)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 10, align 4
+@.str = private unnamed_addr constant [4 x i8] c"%i\0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @i, align 4
+ %sub = sub nsw i32 %0, 5
+; 16: addiu ${{[0-9]+}}, -{{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %sub)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 10, align 4
+@j = global i32 20, align 4
+@.str = private unnamed_addr constant [4 x i8] c"%i\0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @j, align 4
+ %1 = load i32* @i, align 4
+ %sub = sub nsw i32 %0, %1
+; 16: subu ${{[0-9]+}}, ${{[0-9]+}}, ${{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %sub)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
--- /dev/null
+; RUN: llc -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@x = global i32 65504, align 4
+@y = global i32 60929, align 4
+@.str = private unnamed_addr constant [7 x i8] c"%08x \0A\00", align 1
+
+define i32 @main() nounwind {
+entry:
+ %0 = load i32* @x, align 4
+ %1 = load i32* @y, align 4
+ %xor = xor i32 %0, %1
+; 16: xor ${{[0-9]+}}, ${{[0-9]+}}
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0), i32 %xor)
+ ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
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