; RUN: llc -march=mipsel --disable-machine-licm < %s | FileCheck %s -check-prefix=CHECK-EL ; RUN: llc -march=mips --disable-machine-licm < %s | FileCheck %s -check-prefix=CHECK-EB @x = common global i32 0, align 4 define i32 @AtomicLoadAdd32(i32 %incr) nounwind { entry: %0 = atomicrmw add i32* @x, i32 %incr monotonic ret i32 %0 ; CHECK-EL-LABEL: AtomicLoadAdd32: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $[[R1:[0-9]+]], 0($[[R0]]) ; CHECK-EL: addu $[[R2:[0-9]+]], $[[R1]], $4 ; CHECK-EL: sc $[[R2]], 0($[[R0]]) ; CHECK-EL: beq $[[R2]], $zero, $[[BB0]] ; CHECK-EB-LABEL: AtomicLoadAdd32: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $[[R1:[0-9]+]], 0($[[R0]]) ; CHECK-EB: addu $[[R2:[0-9]+]], $[[R1]], $4 ; CHECK-EB: sc $[[R2]], 0($[[R0]]) ; CHECK-EB: beq $[[R2]], $zero, $[[BB0]] } define i32 @AtomicLoadNand32(i32 %incr) nounwind { entry: %0 = atomicrmw nand i32* @x, i32 %incr monotonic ret i32 %0 ; CHECK-EL-LABEL: AtomicLoadNand32: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $[[R1:[0-9]+]], 0($[[R0]]) ; CHECK-EL: and $[[R3:[0-9]+]], $[[R1]], $4 ; CHECK-EL: nor $[[R2:[0-9]+]], $zero, $[[R3]] ; CHECK-EL: sc $[[R2]], 0($[[R0]]) ; CHECK-EL: beq $[[R2]], $zero, $[[BB0]] ; CHECK-EB-LABEL: AtomicLoadNand32: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $[[R1:[0-9]+]], 0($[[R0]]) ; CHECK-EB: and $[[R3:[0-9]+]], $[[R1]], $4 ; CHECK-EB: nor $[[R2:[0-9]+]], $zero, $[[R3]] ; CHECK-EB: sc $[[R2]], 0($[[R0]]) ; CHECK-EB: beq $[[R2]], $zero, $[[BB0]] } define i32 @AtomicSwap32(i32 %newval) nounwind { entry: %newval.addr = alloca i32, align 4 store i32 %newval, i32* %newval.addr, align 4 %tmp = load i32* %newval.addr, align 4 %0 = atomicrmw xchg i32* @x, i32 %tmp monotonic ret i32 %0 ; CHECK-EL-LABEL: AtomicSwap32: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll ${{[0-9]+}}, 0($[[R0]]) ; CHECK-EL: sc $[[R2:[0-9]+]], 0($[[R0]]) ; CHECK-EL: beq $[[R2]], $zero, $[[BB0]] ; CHECK-EB-LABEL: AtomicSwap32: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll ${{[0-9]+}}, 0($[[R0]]) ; CHECK-EB: sc $[[R2:[0-9]+]], 0($[[R0]]) ; CHECK-EB: beq $[[R2]], $zero, $[[BB0]] } define i32 @AtomicCmpSwap32(i32 %oldval, i32 %newval) nounwind { entry: %newval.addr = alloca i32, align 4 store i32 %newval, i32* %newval.addr, align 4 %tmp = load i32* %newval.addr, align 4 %0 = cmpxchg i32* @x, i32 %oldval, i32 %tmp monotonic ret i32 %0 ; CHECK-EL-LABEL: AtomicCmpSwap32: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $2, 0($[[R0]]) ; CHECK-EL: bne $2, $4, $[[BB1:[A-Z_0-9]+]] ; CHECK-EL: sc $[[R2:[0-9]+]], 0($[[R0]]) ; CHECK-EL: beq $[[R2]], $zero, $[[BB0]] ; CHECK-EL: $[[BB1]]: ; CHECK-EB-LABEL: AtomicCmpSwap32: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(x) ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $2, 0($[[R0]]) ; CHECK-EB: bne $2, $4, $[[BB1:[A-Z_0-9]+]] ; CHECK-EB: sc $[[R2:[0-9]+]], 0($[[R0]]) ; CHECK-EB: beq $[[R2]], $zero, $[[BB0]] ; CHECK-EB: $[[BB1]]: } @y = common global i8 0, align 1 define signext i8 @AtomicLoadAdd8(i8 signext %incr) nounwind { entry: %0 = atomicrmw add i8* @y, i8 %incr monotonic ret i8 %0 ; CHECK-EL-LABEL: AtomicLoadAdd8: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EL: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EL: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EL: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EL: sll $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EL: ori $[[R5:[0-9]+]], $zero, 255 ; CHECK-EL: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]] ; CHECK-EL: nor $[[R7:[0-9]+]], $zero, $[[R6]] ; CHECK-EL: sllv $[[R9:[0-9]+]], $4, $[[R4]] ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EL: addu $[[R11:[0-9]+]], $[[R10]], $[[R9]] ; CHECK-EL: and $[[R12:[0-9]+]], $[[R11]], $[[R6]] ; CHECK-EL: and $[[R13:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EL: or $[[R14:[0-9]+]], $[[R13]], $[[R12]] ; CHECK-EL: sc $[[R14]], 0($[[R2]]) ; CHECK-EL: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EL: and $[[R15:[0-9]+]], $[[R10]], $[[R6]] ; CHECK-EL: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]] ; CHECK-EL: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EL: sra $2, $[[R17]], 24 ; CHECK-EB-LABEL: AtomicLoadAdd8: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EB: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EB: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EB: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EB: xori $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EB: sll $[[R5:[0-9]+]], $[[R4]], 3 ; CHECK-EB: ori $[[R6:[0-9]+]], $zero, 255 ; CHECK-EB: sllv $[[R7:[0-9]+]], $[[R6]], $[[R5]] ; CHECK-EB: nor $[[R8:[0-9]+]], $zero, $[[R7]] ; CHECK-EB: sllv $[[R9:[0-9]+]], $4, $[[R5]] ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EB: addu $[[R11:[0-9]+]], $[[R10]], $[[R9]] ; CHECK-EB: and $[[R12:[0-9]+]], $[[R11]], $[[R7]] ; CHECK-EB: and $[[R13:[0-9]+]], $[[R10]], $[[R8]] ; CHECK-EB: or $[[R14:[0-9]+]], $[[R13]], $[[R12]] ; CHECK-EB: sc $[[R14]], 0($[[R2]]) ; CHECK-EB: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EB: and $[[R15:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EB: srlv $[[R16:[0-9]+]], $[[R15]], $[[R5]] ; CHECK-EB: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EB: sra $2, $[[R17]], 24 } define signext i8 @AtomicLoadSub8(i8 signext %incr) nounwind { entry: %0 = atomicrmw sub i8* @y, i8 %incr monotonic ret i8 %0 ; CHECK-EL-LABEL: AtomicLoadSub8: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EL: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EL: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EL: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EL: sll $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EL: ori $[[R5:[0-9]+]], $zero, 255 ; CHECK-EL: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]] ; CHECK-EL: nor $[[R7:[0-9]+]], $zero, $[[R6]] ; CHECK-EL: sllv $[[R9:[0-9]+]], $4, $[[R4]] ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EL: subu $[[R11:[0-9]+]], $[[R10]], $[[R9]] ; CHECK-EL: and $[[R12:[0-9]+]], $[[R11]], $[[R6]] ; CHECK-EL: and $[[R13:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EL: or $[[R14:[0-9]+]], $[[R13]], $[[R12]] ; CHECK-EL: sc $[[R14]], 0($[[R2]]) ; CHECK-EL: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EL: and $[[R15:[0-9]+]], $[[R10]], $[[R6]] ; CHECK-EL: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]] ; CHECK-EL: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EL: sra $2, $[[R17]], 24 ; CHECK-EB-LABEL: AtomicLoadSub8: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EB: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EB: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EB: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EB: xori $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EB: sll $[[R5:[0-9]+]], $[[R4]], 3 ; CHECK-EB: ori $[[R6:[0-9]+]], $zero, 255 ; CHECK-EB: sllv $[[R7:[0-9]+]], $[[R6]], $[[R5]] ; CHECK-EB: nor $[[R8:[0-9]+]], $zero, $[[R7]] ; CHECK-EB: sllv $[[R9:[0-9]+]], $4, $[[R5]] ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EB: subu $[[R11:[0-9]+]], $[[R10]], $[[R9]] ; CHECK-EB: and $[[R12:[0-9]+]], $[[R11]], $[[R7]] ; CHECK-EB: and $[[R13:[0-9]+]], $[[R10]], $[[R8]] ; CHECK-EB: or $[[R14:[0-9]+]], $[[R13]], $[[R12]] ; CHECK-EB: sc $[[R14]], 0($[[R2]]) ; CHECK-EB: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EB: and $[[R15:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EB: srlv $[[R16:[0-9]+]], $[[R15]], $[[R5]] ; CHECK-EB: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EB: sra $2, $[[R17]], 24 } define signext i8 @AtomicLoadNand8(i8 signext %incr) nounwind { entry: %0 = atomicrmw nand i8* @y, i8 %incr monotonic ret i8 %0 ; CHECK-EL-LABEL: AtomicLoadNand8: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EL: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EL: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EL: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EL: sll $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EL: ori $[[R5:[0-9]+]], $zero, 255 ; CHECK-EL: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]] ; CHECK-EL: nor $[[R7:[0-9]+]], $zero, $[[R6]] ; CHECK-EL: sllv $[[R9:[0-9]+]], $4, $[[R4]] ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EL: and $[[R18:[0-9]+]], $[[R10]], $[[R9]] ; CHECK-EL: nor $[[R11:[0-9]+]], $zero, $[[R18]] ; CHECK-EL: and $[[R12:[0-9]+]], $[[R11]], $[[R6]] ; CHECK-EL: and $[[R13:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EL: or $[[R14:[0-9]+]], $[[R13]], $[[R12]] ; CHECK-EL: sc $[[R14]], 0($[[R2]]) ; CHECK-EL: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EL: and $[[R15:[0-9]+]], $[[R10]], $[[R6]] ; CHECK-EL: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]] ; CHECK-EL: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EL: sra $2, $[[R17]], 24 ; CHECK-EB-LABEL: AtomicLoadNand8: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EB: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EB: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EB: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EB: xori $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EB: sll $[[R5:[0-9]+]], $[[R4]], 3 ; CHECK-EB: ori $[[R6:[0-9]+]], $zero, 255 ; CHECK-EB: sllv $[[R7:[0-9]+]], $[[R6]], $[[R5]] ; CHECK-EB: nor $[[R8:[0-9]+]], $zero, $[[R7]] ; CHECK-EB: sllv $[[R9:[0-9]+]], $4, $[[R5]] ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EB: and $[[R18:[0-9]+]], $[[R10]], $[[R9]] ; CHECK-EB: nor $[[R11:[0-9]+]], $zero, $[[R18]] ; CHECK-EB: and $[[R12:[0-9]+]], $[[R11]], $[[R7]] ; CHECK-EB: and $[[R13:[0-9]+]], $[[R10]], $[[R8]] ; CHECK-EB: or $[[R14:[0-9]+]], $[[R13]], $[[R12]] ; CHECK-EB: sc $[[R14]], 0($[[R2]]) ; CHECK-EB: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EB: and $[[R15:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EB: srlv $[[R16:[0-9]+]], $[[R15]], $[[R5]] ; CHECK-EB: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EB: sra $2, $[[R17]], 24 } define signext i8 @AtomicSwap8(i8 signext %newval) nounwind { entry: %0 = atomicrmw xchg i8* @y, i8 %newval monotonic ret i8 %0 ; CHECK-EL-LABEL: AtomicSwap8: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EL: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EL: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EL: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EL: sll $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EL: ori $[[R5:[0-9]+]], $zero, 255 ; CHECK-EL: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]] ; CHECK-EL: nor $[[R7:[0-9]+]], $zero, $[[R6]] ; CHECK-EL: sllv $[[R9:[0-9]+]], $4, $[[R4]] ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EL: and $[[R18:[0-9]+]], $[[R9]], $[[R6]] ; CHECK-EL: and $[[R13:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EL: or $[[R14:[0-9]+]], $[[R13]], $[[R18]] ; CHECK-EL: sc $[[R14]], 0($[[R2]]) ; CHECK-EL: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EL: and $[[R15:[0-9]+]], $[[R10]], $[[R6]] ; CHECK-EL: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]] ; CHECK-EL: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EL: sra $2, $[[R17]], 24 ; CHECK-EB-LABEL: AtomicSwap8: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EB: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EB: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EB: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EB: xori $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EB: sll $[[R5:[0-9]+]], $[[R4]], 3 ; CHECK-EB: ori $[[R6:[0-9]+]], $zero, 255 ; CHECK-EB: sllv $[[R7:[0-9]+]], $[[R6]], $[[R5]] ; CHECK-EB: nor $[[R8:[0-9]+]], $zero, $[[R7]] ; CHECK-EB: sllv $[[R9:[0-9]+]], $4, $[[R5]] ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $[[R10:[0-9]+]], 0($[[R2]]) ; CHECK-EB: and $[[R18:[0-9]+]], $[[R9]], $[[R7]] ; CHECK-EB: and $[[R13:[0-9]+]], $[[R10]], $[[R8]] ; CHECK-EB: or $[[R14:[0-9]+]], $[[R13]], $[[R18]] ; CHECK-EB: sc $[[R14]], 0($[[R2]]) ; CHECK-EB: beq $[[R14]], $zero, $[[BB0]] ; CHECK-EB: and $[[R15:[0-9]+]], $[[R10]], $[[R7]] ; CHECK-EB: srlv $[[R16:[0-9]+]], $[[R15]], $[[R5]] ; CHECK-EB: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EB: sra $2, $[[R17]], 24 } define signext i8 @AtomicCmpSwap8(i8 signext %oldval, i8 signext %newval) nounwind { entry: %0 = cmpxchg i8* @y, i8 %oldval, i8 %newval monotonic ret i8 %0 ; CHECK-EL-LABEL: AtomicCmpSwap8: ; CHECK-EL: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EL: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EL: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EL: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EL: sll $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EL: ori $[[R5:[0-9]+]], $zero, 255 ; CHECK-EL: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]] ; CHECK-EL: nor $[[R7:[0-9]+]], $zero, $[[R6]] ; CHECK-EL: andi $[[R8:[0-9]+]], $4, 255 ; CHECK-EL: sllv $[[R9:[0-9]+]], $[[R8]], $[[R4]] ; CHECK-EL: andi $[[R10:[0-9]+]], $5, 255 ; CHECK-EL: sllv $[[R11:[0-9]+]], $[[R10]], $[[R4]] ; CHECK-EL: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EL: ll $[[R12:[0-9]+]], 0($[[R2]]) ; CHECK-EL: and $[[R13:[0-9]+]], $[[R12]], $[[R6]] ; CHECK-EL: bne $[[R13]], $[[R9]], $[[BB1:[A-Z_0-9]+]] ; CHECK-EL: and $[[R14:[0-9]+]], $[[R12]], $[[R7]] ; CHECK-EL: or $[[R15:[0-9]+]], $[[R14]], $[[R11]] ; CHECK-EL: sc $[[R15]], 0($[[R2]]) ; CHECK-EL: beq $[[R15]], $zero, $[[BB0]] ; CHECK-EL: $[[BB1]]: ; CHECK-EL: srlv $[[R16:[0-9]+]], $[[R13]], $[[R4]] ; CHECK-EL: sll $[[R17:[0-9]+]], $[[R16]], 24 ; CHECK-EL: sra $2, $[[R17]], 24 ; CHECK-EB-LABEL: AtomicCmpSwap8: ; CHECK-EB: lw $[[R0:[0-9]+]], %got(y) ; CHECK-EB: addiu $[[R1:[0-9]+]], $zero, -4 ; CHECK-EB: and $[[R2:[0-9]+]], $[[R0]], $[[R1]] ; CHECK-EB: andi $[[R3:[0-9]+]], $[[R0]], 3 ; CHECK-EB: xori $[[R4:[0-9]+]], $[[R3]], 3 ; CHECK-EB: sll $[[R5:[0-9]+]], $[[R4]], 3 ; CHECK-EB: ori $[[R6:[0-9]+]], $zero, 255 ; CHECK-EB: sllv $[[R7:[0-9]+]], $[[R6]], $[[R5]] ; CHECK-EB: nor $[[R8:[0-9]+]], $zero, $[[R7]] ; CHECK-EB: andi $[[R9:[0-9]+]], $4, 255 ; CHECK-EB: sllv $[[R10:[0-9]+]], $[[R9]], $[[R5]] ; CHECK-EB: andi $[[R11:[0-9]+]], $5, 255 ; CHECK-EB: sllv $[[R12:[0-9]+]], $[[R11]], $[[R5]] ; CHECK-EB: $[[BB0:[A-Z_0-9]+]]: ; CHECK-EB: ll $[[R13:[0-9]+]], 0($[[R2]]) ; CHECK-EB: and $[[R14:[0-9]+]], $[[R13]], $[[R7]] ; CHECK-EB: bne $[[R14]], $[[R10]], $[[BB1:[A-Z_0-9]+]] ; CHECK-EB: and $[[R15:[0-9]+]], $[[R13]], $[[R8]] ; CHECK-EB: or $[[R16:[0-9]+]], $[[R15]], $[[R12]] ; CHECK-EB: sc $[[R16]], 0($[[R2]]) ; CHECK-EB: beq $[[R16]], $zero, $[[BB0]] ; CHECK-EB: $[[BB1]]: ; CHECK-EB: srlv $[[R17:[0-9]+]], $[[R14]], $[[R5]] ; CHECK-EB: sll $[[R18:[0-9]+]], $[[R17]], 24 ; CHECK-EB: sra $2, $[[R18]], 24 } @countsint = common global i32 0, align 4 define i32 @CheckSync(i32 %v) nounwind noinline { entry: %0 = atomicrmw add i32* @countsint, i32 %v seq_cst ret i32 %0 ; CHECK-EL-LABEL: CheckSync: ; CHECK-EL: sync 0 ; CHECK-EL: ll ; CHECK-EL: sc ; CHECK-EL: beq ; CHECK-EL: sync 0 ; CHECK-EB-LABEL: CheckSync: ; CHECK-EB: sync 0 ; CHECK-EB: ll ; CHECK-EB: sc ; CHECK-EB: beq ; CHECK-EB: sync 0 } ; make sure that this assertion in ; TwoAddressInstructionPass::TryInstructionTransform does not fail: ; ; line 1203: assert(TargetRegisterInfo::isVirtualRegister(regB) && ; ; it failed when MipsDAGToDAGISel::ReplaceUsesWithZeroReg replaced an ; operand of an atomic instruction with register $zero. @a = external global i32 define i32 @zeroreg() nounwind { entry: %0 = cmpxchg i32* @a, i32 1, i32 0 seq_cst %1 = icmp eq i32 %0, 1 %conv = zext i1 %1 to i32 ret i32 %conv }