Revert "[mips] [IAS] Add support for BNE and BEQ with an immediate operand." (r239396).

It was breaking buildbots.

llvm-svn: 239397
This commit is contained in:
Toma Tabacu 2015-06-09 10:43:49 +00:00
parent 5fa8fb5762
commit 7977cfd52a
6 changed files with 2 additions and 219 deletions

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@ -208,9 +208,6 @@ class MipsAsmParser : public MCTargetAsmParser {
bool expandLoadStoreMultiple(MCInst &Inst, SMLoc IDLoc, bool expandLoadStoreMultiple(MCInst &Inst, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions); SmallVectorImpl<MCInst> &Instructions);
bool expandBranchImm(MCInst &Inst, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions);
void createNop(bool hasShortDelaySlot, SMLoc IDLoc, void createNop(bool hasShortDelaySlot, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions); SmallVectorImpl<MCInst> &Instructions);
@ -1619,8 +1616,6 @@ bool MipsAsmParser::needsExpansion(MCInst &Inst) {
case Mips::SWM_MM: case Mips::SWM_MM:
case Mips::JalOneReg: case Mips::JalOneReg:
case Mips::JalTwoReg: case Mips::JalTwoReg:
case Mips::BneImm:
case Mips::BeqImm:
return true; return true;
default: default:
return false; return false;
@ -1647,9 +1642,6 @@ bool MipsAsmParser::expandInstruction(MCInst &Inst, SMLoc IDLoc,
case Mips::JalOneReg: case Mips::JalOneReg:
case Mips::JalTwoReg: case Mips::JalTwoReg:
return expandJalWithRegs(Inst, IDLoc, Instructions); return expandJalWithRegs(Inst, IDLoc, Instructions);
case Mips::BneImm:
case Mips::BeqImm:
return expandBranchImm(Inst, IDLoc, Instructions);
} }
} }
@ -2040,59 +2032,6 @@ bool MipsAsmParser::expandUncondBranchMMPseudo(
return false; return false;
} }
bool MipsAsmParser::expandBranchImm(MCInst &Inst, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions) {
const MCOperand &DstRegOp = Inst.getOperand(0);
assert(DstRegOp.isReg() && "expected register operand kind");
const MCOperand &ImmOp = Inst.getOperand(1);
assert(ImmOp.isImm() && "expected immediate operand kind");
const MCOperand &MemOffsetOp = Inst.getOperand(2);
assert(MemOffsetOp.isImm() && "expected immediate operand kind");
unsigned OpCode = 0;
switch(Inst.getOpcode()) {
case Mips::BneImm:
OpCode = Mips::BNE;
break;
case Mips::BeqImm:
OpCode = Mips::BEQ;
break;
default:
llvm_unreachable("Unknown immediate branch pseudo-instruction.");
break;
}
int64_t ImmValue = ImmOp.getImm();
if (ImmValue == 0) {
MCInst BranchInst;
BranchInst.setOpcode(OpCode);
BranchInst.addOperand(DstRegOp);
BranchInst.addOperand(MCOperand::createReg(Mips::ZERO));
BranchInst.addOperand(MemOffsetOp);
Instructions.push_back(BranchInst);
} else {
warnIfNoMacro(IDLoc);
unsigned ATReg = getATReg(IDLoc);
if (!ATReg)
return true;
if (loadImmediate(ImmValue, ATReg, Mips::NoRegister, !isGP64bit(), IDLoc,
Instructions))
return true;
MCInst BranchInst;
BranchInst.setOpcode(OpCode);
BranchInst.addOperand(DstRegOp);
BranchInst.addOperand(MCOperand::createReg(ATReg));
BranchInst.addOperand(MemOffsetOp);
Instructions.push_back(BranchInst);
}
return false;
}
void MipsAsmParser::expandMemInst(MCInst &Inst, SMLoc IDLoc, void MipsAsmParser::expandMemInst(MCInst &Inst, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions, SmallVectorImpl<MCInst> &Instructions,
bool isLoad, bool isImmOpnd) { bool isLoad, bool isImmOpnd) {

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@ -27,6 +27,8 @@ def uimm16_64 : Operand<i64> {
// Signed Operand // Signed Operand
def simm10_64 : Operand<i64>; def simm10_64 : Operand<i64>;
def imm64: Operand<i64>;
// Transformation Function - get Imm - 32. // Transformation Function - get Imm - 32.
def Subtract32 : SDNodeXForm<imm, [{ def Subtract32 : SDNodeXForm<imm, [{
return getImm(N, (unsigned)N->getZExtValue() - 32); return getImm(N, (unsigned)N->getZExtValue() - 32);

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@ -22,7 +22,3 @@
# 64-BIT: ori $5, $5, %lo(symbol) # 64-BIT: ori $5, $5, %lo(symbol)
dli $5, 1 dli $5, 1
# 32-BIT: :[[@LINE-1]]:3: error: instruction requires a 64-bit architecture # 32-BIT: :[[@LINE-1]]:3: error: instruction requires a 64-bit architecture
bne $2, 0x100010001, 1332
# 32-BIT: :[[@LINE-1]]:3: error: instruction requires a 32-bit immediate
beq $2, 0x100010001, 1332
# 32-BIT: :[[@LINE-1]]:3: error: instruction requires a 32-bit immediate

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@ -83,65 +83,3 @@
sdc1 $f0, symbol sdc1 $f0, symbol
# CHECK: lui $1, %hi(symbol) # CHECK: lui $1, %hi(symbol)
# CHECK: sdc1 $f0, %lo(symbol)($1) # CHECK: sdc1 $f0, %lo(symbol)($1)
# Test BNE with an immediate as the 2nd operand.
bne $2, 0, 1332
# CHECK: bnez $2, 1332 # encoding: [0x4d,0x01,0x40,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, 123, 1332
# CHECK: ori $1, $zero, 123 # encoding: [0x7b,0x00,0x01,0x34]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, -2345, 1332
# CHECK: addiu $1, $zero, -2345 # encoding: [0xd7,0xf6,0x01,0x24]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, 65538, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: ori $1, $1, 2 # encoding: [0x02,0x00,0x21,0x34]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, ~7, 1332
# CHECK: addiu $1, $zero, -8 # encoding: [0xf8,0xff,0x01,0x24]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, 0x10000, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# Test BEQ with an immediate as the 2nd operand.
beq $2, 0, 1332
# CHECK: beqz $2, 1332 # encoding: [0x4d,0x01,0x40,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, 123, 1332
# CHECK: ori $1, $zero, 123 # encoding: [0x7b,0x00,0x01,0x34]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, -2345, 1332
# CHECK: addiu $1, $zero, -2345 # encoding: [0xd7,0xf6,0x01,0x24]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, 65538, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: ori $1, $1, 2 # encoding: [0x02,0x00,0x21,0x34]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, ~7, 1332
# CHECK: addiu $1, $zero, -8 # encoding: [0xf8,0xff,0x01,0x24]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, 0x10000, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]

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@ -193,81 +193,3 @@
dli $9, 0x80000000 dli $9, 0x80000000
# CHECK: ori $9, $zero, 32768 # encoding: [0x00,0x80,0x09,0x34] # CHECK: ori $9, $zero, 32768 # encoding: [0x00,0x80,0x09,0x34]
# CHECK: dsll $9, $9, 16 # encoding: [0x38,0x4c,0x09,0x00] # CHECK: dsll $9, $9, 16 # encoding: [0x38,0x4c,0x09,0x00]
# Test bne with an immediate as the 2nd operand.
bne $2, 0x100010001, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, 0x1000100010001, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, -0x100010001, 1332
# CHECK: lui $1, 65535 # encoding: [0xff,0xff,0x01,0x3c]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65535 # encoding: [0xff,0xff,0x21,0x34]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
bne $2, -0x1000100010001, 1332
# CHECK: lui $1, 65534 # encoding: [0xfe,0xff,0x01,0x3c]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65535 # encoding: [0xff,0xff,0x21,0x34]
# CHECK: bne $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x14]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# Test beq with an immediate as the 2nd operand.
beq $2, 0x100010001, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, 0x1000100010001, 1332
# CHECK: lui $1, 1 # encoding: [0x01,0x00,0x01,0x3c]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 1 # encoding: [0x01,0x00,0x21,0x34]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, -0x100010001, 1332
# CHECK: lui $1, 65535 # encoding: [0xff,0xff,0x01,0x3c]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65535 # encoding: [0xff,0xff,0x21,0x34]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
beq $2, -0x1000100010001, 1332
# CHECK: lui $1, 65534 # encoding: [0xfe,0xff,0x01,0x3c]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65534 # encoding: [0xfe,0xff,0x21,0x34]
# CHECK: dsll $1, $1, 16 # encoding: [0x38,0x0c,0x01,0x00]
# CHECK: ori $1, $1, 65535 # encoding: [0xff,0xff,0x21,0x34]
# CHECK: beq $2, $1, 1332 # encoding: [0x4d,0x01,0x41,0x10]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]

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@ -15,11 +15,6 @@
jal $25 jal $25
jal $4, $25 jal $4, $25
bne $2, 0, 1332
bne $2, 1, 1332
beq $2, 0, 1332
beq $2, 1, 1332
add $4, $5, $6 add $4, $5, $6
.set noreorder .set noreorder
@ -47,14 +42,5 @@
jal $4, $25 jal $4, $25
# CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions # CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions
bne $2, 0, 1332
# CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions
bne $2, 1, 1332
# CHECK: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions
beq $2, 0, 1332
# CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions
beq $2, 1, 1332
# CHECK: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions
add $4, $5, $6 add $4, $5, $6
# CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions # CHECK-NOT: [[@LINE-1]]:3: warning: macro instruction expanded into multiple instructions