forked from OSchip/llvm-project
261 lines
8.5 KiB
LLVM
261 lines
8.5 KiB
LLVM
; RUN: llc -march=mipsel < %s | FileCheck %s
|
|
|
|
@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: AtomicLoadAdd32:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(x)
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $[[R1:[0-9]+]], 0($[[R0]])
|
|
; CHECK: addu $[[R2:[0-9]+]], $[[R1]], $4
|
|
; CHECK: sc $[[R2]], 0($[[R0]])
|
|
; CHECK: beq $[[R2]], $zero, $[[BB0]]
|
|
}
|
|
|
|
define i32 @AtomicLoadNand32(i32 %incr) nounwind {
|
|
entry:
|
|
%0 = atomicrmw nand i32* @x, i32 %incr monotonic
|
|
ret i32 %0
|
|
|
|
; CHECK: AtomicLoadNand32:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(x)
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $[[R1:[0-9]+]], 0($[[R0]])
|
|
; CHECK: and $[[R3:[0-9]+]], $[[R1]], $4
|
|
; CHECK: nor $[[R2:[0-9]+]], $zero, $[[R3]]
|
|
; CHECK: sc $[[R2]], 0($[[R0]])
|
|
; CHECK: 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: AtomicSwap32:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(x)
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll ${{[0-9]+}}, 0($[[R0]])
|
|
; CHECK: sc $[[R2:[0-9]+]], 0($[[R0]])
|
|
; CHECK: 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: AtomicCmpSwap32:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(x)
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $2, 0($[[R0]])
|
|
; CHECK: bne $2, $4, $[[BB1:[A-Z_0-9]+]]
|
|
; CHECK: sc $[[R2:[0-9]+]], 0($[[R0]])
|
|
; CHECK: beq $[[R2]], $zero, $[[BB0]]
|
|
; CHECK: $[[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: AtomicLoadAdd8:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(y)
|
|
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
|
|
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
|
|
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
|
|
; CHECK: sll $[[R4:[0-9]+]], $[[R3]], 3
|
|
; CHECK: ori $[[R5:[0-9]+]], $zero, 255
|
|
; CHECK: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]]
|
|
; CHECK: nor $[[R7:[0-9]+]], $zero, $[[R6]]
|
|
; CHECK: sllv $[[R9:[0-9]+]], $4, $[[R4]]
|
|
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $[[R10:[0-9]+]], 0($[[R2]])
|
|
; CHECK: addu $[[R11:[0-9]+]], $[[R10]], $[[R9]]
|
|
; CHECK: and $[[R12:[0-9]+]], $[[R11]], $[[R6]]
|
|
; CHECK: and $[[R13:[0-9]+]], $[[R10]], $[[R7]]
|
|
; CHECK: or $[[R14:[0-9]+]], $[[R13]], $[[R12]]
|
|
; CHECK: sc $[[R14]], 0($[[R2]])
|
|
; CHECK: beq $[[R14]], $zero, $[[BB0]]
|
|
|
|
; CHECK: and $[[R15:[0-9]+]], $[[R10]], $[[R6]]
|
|
; CHECK: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]]
|
|
; CHECK: sll $[[R17:[0-9]+]], $[[R16]], 24
|
|
; CHECK: 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: AtomicLoadSub8:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(y)
|
|
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
|
|
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
|
|
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
|
|
; CHECK: sll $[[R4:[0-9]+]], $[[R3]], 3
|
|
; CHECK: ori $[[R5:[0-9]+]], $zero, 255
|
|
; CHECK: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]]
|
|
; CHECK: nor $[[R7:[0-9]+]], $zero, $[[R6]]
|
|
; CHECK: sllv $[[R9:[0-9]+]], $4, $[[R4]]
|
|
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $[[R10:[0-9]+]], 0($[[R2]])
|
|
; CHECK: subu $[[R11:[0-9]+]], $[[R10]], $[[R9]]
|
|
; CHECK: and $[[R12:[0-9]+]], $[[R11]], $[[R6]]
|
|
; CHECK: and $[[R13:[0-9]+]], $[[R10]], $[[R7]]
|
|
; CHECK: or $[[R14:[0-9]+]], $[[R13]], $[[R12]]
|
|
; CHECK: sc $[[R14]], 0($[[R2]])
|
|
; CHECK: beq $[[R14]], $zero, $[[BB0]]
|
|
|
|
; CHECK: and $[[R15:[0-9]+]], $[[R10]], $[[R6]]
|
|
; CHECK: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]]
|
|
; CHECK: sll $[[R17:[0-9]+]], $[[R16]], 24
|
|
; CHECK: 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: AtomicLoadNand8:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(y)
|
|
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
|
|
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
|
|
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
|
|
; CHECK: sll $[[R4:[0-9]+]], $[[R3]], 3
|
|
; CHECK: ori $[[R5:[0-9]+]], $zero, 255
|
|
; CHECK: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]]
|
|
; CHECK: nor $[[R7:[0-9]+]], $zero, $[[R6]]
|
|
; CHECK: sllv $[[R9:[0-9]+]], $4, $[[R4]]
|
|
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $[[R10:[0-9]+]], 0($[[R2]])
|
|
; CHECK: and $[[R18:[0-9]+]], $[[R10]], $[[R9]]
|
|
; CHECK: nor $[[R11:[0-9]+]], $zero, $[[R18]]
|
|
; CHECK: and $[[R12:[0-9]+]], $[[R11]], $[[R6]]
|
|
; CHECK: and $[[R13:[0-9]+]], $[[R10]], $[[R7]]
|
|
; CHECK: or $[[R14:[0-9]+]], $[[R13]], $[[R12]]
|
|
; CHECK: sc $[[R14]], 0($[[R2]])
|
|
; CHECK: beq $[[R14]], $zero, $[[BB0]]
|
|
|
|
; CHECK: and $[[R15:[0-9]+]], $[[R10]], $[[R6]]
|
|
; CHECK: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]]
|
|
; CHECK: sll $[[R17:[0-9]+]], $[[R16]], 24
|
|
; CHECK: 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: AtomicSwap8:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(y)
|
|
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
|
|
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
|
|
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
|
|
; CHECK: sll $[[R4:[0-9]+]], $[[R3]], 3
|
|
; CHECK: ori $[[R5:[0-9]+]], $zero, 255
|
|
; CHECK: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]]
|
|
; CHECK: nor $[[R7:[0-9]+]], $zero, $[[R6]]
|
|
; CHECK: sllv $[[R9:[0-9]+]], $4, $[[R4]]
|
|
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $[[R10:[0-9]+]], 0($[[R2]])
|
|
; CHECK: and $[[R13:[0-9]+]], $[[R10]], $[[R7]]
|
|
; CHECK: or $[[R14:[0-9]+]], $[[R13]], $[[R9]]
|
|
; CHECK: sc $[[R14]], 0($[[R2]])
|
|
; CHECK: beq $[[R14]], $zero, $[[BB0]]
|
|
|
|
; CHECK: and $[[R15:[0-9]+]], $[[R10]], $[[R6]]
|
|
; CHECK: srlv $[[R16:[0-9]+]], $[[R15]], $[[R4]]
|
|
; CHECK: sll $[[R17:[0-9]+]], $[[R16]], 24
|
|
; CHECK: 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: AtomicCmpSwap8:
|
|
; CHECK: lw $[[R0:[0-9]+]], %got(y)
|
|
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
|
|
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
|
|
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
|
|
; CHECK: sll $[[R4:[0-9]+]], $[[R3]], 3
|
|
; CHECK: ori $[[R5:[0-9]+]], $zero, 255
|
|
; CHECK: sllv $[[R6:[0-9]+]], $[[R5]], $[[R4]]
|
|
; CHECK: nor $[[R7:[0-9]+]], $zero, $[[R6]]
|
|
; CHECK: andi $[[R8:[0-9]+]], $4, 255
|
|
; CHECK: sllv $[[R9:[0-9]+]], $[[R8]], $[[R4]]
|
|
; CHECK: andi $[[R10:[0-9]+]], $5, 255
|
|
; CHECK: sllv $[[R11:[0-9]+]], $[[R10]], $[[R4]]
|
|
|
|
; CHECK: $[[BB0:[A-Z_0-9]+]]:
|
|
; CHECK: ll $[[R12:[0-9]+]], 0($[[R2]])
|
|
; CHECK: and $[[R13:[0-9]+]], $[[R12]], $[[R6]]
|
|
; CHECK: bne $[[R13]], $[[R9]], $[[BB1:[A-Z_0-9]+]]
|
|
|
|
; CHECK: and $[[R14:[0-9]+]], $[[R12]], $[[R7]]
|
|
; CHECK: or $[[R15:[0-9]+]], $[[R14]], $[[R11]]
|
|
; CHECK: sc $[[R15]], 0($[[R2]])
|
|
; CHECK: beq $[[R15]], $zero, $[[BB0]]
|
|
|
|
; CHECK: $[[BB1]]:
|
|
; CHECK: srlv $[[R16:[0-9]+]], $[[R13]], $[[R4]]
|
|
; CHECK: sll $[[R17:[0-9]+]], $[[R16]], 24
|
|
; CHECK: sra $2, $[[R17]], 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: CheckSync:
|
|
; CHECK: sync 0
|
|
; CHECK: ll
|
|
; CHECK: sc
|
|
; CHECK: beq
|
|
; CHECK: 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
|
|
}
|