549 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			549 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32   -relocation-model=pic < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,NO-SEB-SEH,CHECK-EL,NOT-MICROMIPS
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; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32r2 -relocation-model=pic -verify-machineinstrs < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,HAS-SEB-SEH,CHECK-EL,NOT-MICROMIPS
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; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32r6 -relocation-model=pic -verify-machineinstrs < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,HAS-SEB-SEH,CHECK-EL,MIPSR6
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; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips4    -relocation-model=pic < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,NO-SEB-SEH,CHECK-EL,NOT-MICROMIPS
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; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips64   -relocation-model=pic < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,NO-SEB-SEH,CHECK-EL,NOT-MICROMIPS
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; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips64r2 -relocation-model=pic -verify-machineinstrs < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,HAS-SEB-SEH,CHECK-EL,NOT-MICROMIPS
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; RUN: llc -march=mips64el --disable-machine-licm -mcpu=mips64r6 -relocation-model=pic < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS64-ANY,HAS-SEB-SEH,CHECK-EL,MIPSR6
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; RUN: llc -march=mips64 -O0 -mcpu=mips64r6 -relocation-model=pic -verify-machineinstrs < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL-LABEL,MIPS64-ANY,O0
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; RUN: llc -march=mipsel --disable-machine-licm -mcpu=mips32r2 -mattr=micromips -relocation-model=pic < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,HAS-SEB-SEH,CHECK-EL,MICROMIPS
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; Keep one big-endian check so that we don't reduce testing, but don't add more
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; since endianness doesn't affect the body of the atomic operations.
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; RUN: llc -march=mips   --disable-machine-licm -mcpu=mips32 -relocation-model=pic < %s | \
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; RUN:   FileCheck %s -check-prefixes=ALL,MIPS32-ANY,NO-SEB-SEH,CHECK-EB,NOT-MICROMIPS
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@x = common global i32 0, align 4
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define i32 @AtomicLoadAdd32(i32 signext %incr) nounwind {
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entry:
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  %0 = atomicrmw add i32* @x, i32 %incr monotonic
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  ret i32 %0
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; ALL-LABEL: AtomicLoadAdd32:
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; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
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; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
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; O0:        $[[BB0:[A-Z_0-9]+]]:
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; O0:            ld      $[[R1:[0-9]+]]
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; O0-NEXT:       ll      $[[R2:[0-9]+]], 0($[[R1]])
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; ALL:       $[[BB0:[A-Z_0-9]+]]:
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; ALL:           ll      $[[R3:[0-9]+]], 0($[[R0]])
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; ALL:           addu    $[[R4:[0-9]+]], $[[R3]], $4
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; ALL:           sc      $[[R4]], 0($[[R0]])
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; NOT-MICROMIPS: beqz    $[[R4]], $[[BB0]]
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; MICROMIPS:     beqzc   $[[R4]], $[[BB0]]
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; MIPSR6:        beqzc   $[[R4]], $[[BB0]]
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}
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define i32 @AtomicLoadNand32(i32 signext %incr) nounwind {
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entry:
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  %0 = atomicrmw nand i32* @x, i32 %incr monotonic
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  ret i32 %0
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; ALL-LABEL: AtomicLoadNand32:
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; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
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; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
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; ALL:       $[[BB0:[A-Z_0-9]+]]:
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; ALL:           ll      $[[R1:[0-9]+]], 0($[[R0]])
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; ALL:           and     $[[R3:[0-9]+]], $[[R1]], $4
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; ALL:           nor     $[[R2:[0-9]+]], $zero, $[[R3]]
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; ALL:           sc      $[[R2]], 0($[[R0]])
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; NOT-MICROMIPS: beqz    $[[R2]], $[[BB0]]
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; MICROMIPS:     beqzc   $[[R2]], $[[BB0]]
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; MIPSR6:        beqzc   $[[R2]], $[[BB0]]
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}
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define i32 @AtomicSwap32(i32 signext %newval) nounwind {
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entry:
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  %newval.addr = alloca i32, align 4
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  store i32 %newval, i32* %newval.addr, align 4
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  %tmp = load i32, i32* %newval.addr, align 4
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  %0 = atomicrmw xchg i32* @x, i32 %tmp monotonic
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  ret i32 %0
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; ALL-LABEL: AtomicSwap32:
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; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
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; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)
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; ALL:       $[[BB0:[A-Z_0-9]+]]:
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; ALL:           ll      ${{[0-9]+}}, 0($[[R0]])
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; ALL:           sc      $[[R2:[0-9]+]], 0($[[R0]])
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; NOT-MICROMIPS: beqz    $[[R2]], $[[BB0]]
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; MICROMIPS:     beqzc   $[[R2]], $[[BB0]]
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; MIPSR6:        beqzc   $[[R2]], $[[BB0]]
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}
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define i32 @AtomicCmpSwap32(i32 signext %oldval, i32 signext %newval) nounwind {
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entry:
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  %newval.addr = alloca i32, align 4
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  store i32 %newval, i32* %newval.addr, align 4
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  %tmp = load i32, i32* %newval.addr, align 4
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  %0 = cmpxchg i32* @x, i32 %oldval, i32 %tmp monotonic monotonic
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  %1 = extractvalue { i32, i1 } %0, 0
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  ret i32 %1
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; ALL-LABEL: AtomicCmpSwap32:
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; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
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; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
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; ALL:       $[[BB0:[A-Z_0-9]+]]:
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; ALL:           ll      $2, 0($[[R0]])
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; NOT-MICROMIPS: bne     $2, $4, $[[BB1:[A-Z_0-9]+]]
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; MICROMIPS:     bne     $2, $4, $[[BB1:[A-Z_0-9]+]]
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; MIPSR6:        bnec    $2, $4, $[[BB1:[A-Z_0-9]+]]
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; ALL:           sc      $[[R2:[0-9]+]], 0($[[R0]])
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; NOT-MICROMIPS: beqz    $[[R2]], $[[BB0]]
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; MICROMIPS:     beqzc   $[[R2]], $[[BB0]]
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; MIPSR6:        beqzc   $[[R2]], $[[BB0]]
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; ALL:       $[[BB1]]:
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}
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@y = common global i8 0, align 1
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define signext i8 @AtomicLoadAdd8(i8 signext %incr) nounwind {
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entry:
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  %0 = atomicrmw add i8* @y, i8 %incr monotonic
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  ret i8 %0
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; ALL-LABEL: AtomicLoadAdd8:
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; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
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; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
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; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
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; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
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; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
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; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
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; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
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; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
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; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
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; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
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; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
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; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
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; O0:        $[[BB0:[A-Z_0-9]+]]:
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; O0:            ld      $[[R10:[0-9]+]]
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; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
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; ALL:       $[[BB0:[A-Z_0-9]+]]:
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; ALL:           ll      $[[R12:[0-9]+]], 0($[[R2]])
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; ALL:           addu    $[[R13:[0-9]+]], $[[R12]], $[[R9]]
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; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
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; ALL:           and     $[[R15:[0-9]+]], $[[R12]], $[[R8]]
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; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R14]]
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; ALL:           sc      $[[R16]], 0($[[R2]])
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; NOT-MICROMIPS: beqz    $[[R16]], $[[BB0]]
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; MICROMIPS:     beqzc   $[[R16]], $[[BB0]]
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; MIPSR6:        beqzc   $[[R16]], $[[BB0]]
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; ALL:           and     $[[R17:[0-9]+]], $[[R12]], $[[R7]]
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; ALL:           srlv    $[[R18:[0-9]+]], $[[R17]], $[[R5]]
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; NO-SEB-SEH:    sll     $[[R19:[0-9]+]], $[[R18]], 24
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; NO-SEB-SEH:    sra     $2, $[[R19]], 24
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; HAS-SEB-SEH:   seb     $2, $[[R18]]
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}
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define signext i8 @AtomicLoadSub8(i8 signext %incr) nounwind {
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entry:
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  %0 = atomicrmw sub i8* @y, i8 %incr monotonic
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  ret i8 %0
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; ALL-LABEL: AtomicLoadSub8:
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; MIPS32-ANY: lw      $[[R0:[0-9]+]], %got(y)
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; MIPS64-ANY: ld      $[[R0:[0-9]+]], %got_disp(y)(
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; ALL:        addiu   $[[R1:[0-9]+]], $zero, -4
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; ALL:        and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
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; ALL:        andi    $[[R3:[0-9]+]], $[[R0]], 3
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; CHECK-EL:   sll     $[[R5:[0-9]+]], $[[R3]], 3
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; CHECK-EB:   xori    $[[R4:[0-9]+]], $[[R3]], 3
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; CHECK-EB:   sll     $[[R5:[0-9]+]], $[[R4]], 3
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; ALL:        ori     $[[R6:[0-9]+]], $zero, 255
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; ALL:        sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
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; ALL:        nor     $[[R8:[0-9]+]], $zero, $[[R7]]
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; ALL:        sllv    $[[R9:[0-9]+]], $4, $[[R5]]
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; O0:        $[[BB0:[A-Z_0-9]+]]:
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; O0:            ld      $[[R10:[0-9]+]]
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; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
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; ALL:    $[[BB0:[A-Z_0-9]+]]:
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; ALL:        ll      $[[R12:[0-9]+]], 0($[[R2]])
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; ALL:        subu    $[[R13:[0-9]+]], $[[R12]], $[[R9]]
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; ALL:        and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
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; ALL:        and     $[[R15:[0-9]+]], $[[R12]], $[[R8]]
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; ALL:        or      $[[R16:[0-9]+]], $[[R15]], $[[R14]]
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; ALL:        sc      $[[R16]], 0($[[R2]])
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; NOT-MICROMIPS: beqz    $[[R16]], $[[BB0]]
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; MICROMIPS:  beqzc   $[[R16]], $[[BB0]]
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; MIPSR6:     beqzc   $[[R16]], $[[BB0]]
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; ALL:        and     $[[R17:[0-9]+]], $[[R12]], $[[R7]]
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; ALL:        srlv    $[[R18:[0-9]+]], $[[R17]], $[[R5]]
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; NO-SEB-SEH: sll     $[[R19:[0-9]+]], $[[R18]], 24
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; NO-SEB-SEH: sra     $2, $[[R19]], 24
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; HAS-SEB-SEH:seb     $2, $[[R18]]
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}
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define signext i8 @AtomicLoadNand8(i8 signext %incr) nounwind {
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entry:
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  %0 = atomicrmw nand i8* @y, i8 %incr monotonic
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  ret i8 %0
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; ALL-LABEL: AtomicLoadNand8:
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; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
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; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
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; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
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; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
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; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
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; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
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; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
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; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
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; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
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; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
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; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
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; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
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; O0:        $[[BB0:[A-Z_0-9]+]]:
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; O0:            ld      $[[R10:[0-9]+]]
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; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
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; ALL:       $[[BB0:[A-Z_0-9]+]]:
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; ALL:           ll      $[[R12:[0-9]+]], 0($[[R2]])
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; ALL:           and     $[[R13:[0-9]+]], $[[R12]], $[[R9]]
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; ALL:           nor     $[[R14:[0-9]+]], $zero, $[[R13]]
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; ALL:           and     $[[R15:[0-9]+]], $[[R14]], $[[R7]]
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; ALL:           and     $[[R16:[0-9]+]], $[[R12]], $[[R8]]
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; ALL:           or      $[[R17:[0-9]+]], $[[R16]], $[[R15]]
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; ALL:           sc      $[[R17]], 0($[[R2]])
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; NOT-MICROMIPS: beqz    $[[R17]], $[[BB0]]
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; MICROMIPS:     beqzc   $[[R17]], $[[BB0]]
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; MIPSR6:        beqzc   $[[R17]], $[[BB0]]
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; ALL:           and     $[[R18:[0-9]+]], $[[R12]], $[[R7]]
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; ALL:           srlv    $[[R19:[0-9]+]], $[[R18]], $[[R5]]
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; NO-SEB-SEH:    sll     $[[R20:[0-9]+]], $[[R19]], 24
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; NO-SEB-SEH:    sra     $2, $[[R20]], 24
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; HAS-SEB-SEH:   seb     $2, $[[R19]]
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}
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define signext i8 @AtomicSwap8(i8 signext %newval) nounwind {
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entry:
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  %0 = atomicrmw xchg i8* @y, i8 %newval monotonic
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  ret i8 %0
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; ALL-LABEL: AtomicSwap8:
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; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
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; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
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; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
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; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
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; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
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; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
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; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
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; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
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; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
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; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
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; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
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; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
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; ALL:       $[[BB0:[A-Z_0-9]+]]:
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; ALL:           ll      $[[R10:[0-9]+]], 0($[[R2]])
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; ALL:           and     $[[R18:[0-9]+]], $[[R9]], $[[R7]]
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; ALL:           and     $[[R13:[0-9]+]], $[[R10]], $[[R8]]
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; ALL:           or      $[[R14:[0-9]+]], $[[R13]], $[[R18]]
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; ALL:           sc      $[[R14]], 0($[[R2]])
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; NOT-MICROMIPS: beqz    $[[R14]], $[[BB0]]
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; MICROMIPS:     beqzc   $[[R14]], $[[BB0]]
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; MIPSR6:        beqzc   $[[R14]], $[[BB0]]
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; ALL:           and     $[[R15:[0-9]+]], $[[R10]], $[[R7]]
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; ALL:           srlv    $[[R16:[0-9]+]], $[[R15]], $[[R5]]
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; NO-SEB-SEH:    sll     $[[R17:[0-9]+]], $[[R16]], 24
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; NO-SEB-SEH:    sra     $2, $[[R17]], 24
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; HAS-SEB-SEH:   seb     $2, $[[R16]]
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}
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define signext i8 @AtomicCmpSwap8(i8 signext %oldval, i8 signext %newval) nounwind {
 | 
						|
entry:
 | 
						|
  %pair0 = cmpxchg i8* @y, i8 %oldval, i8 %newval monotonic monotonic
 | 
						|
  %0 = extractvalue { i8, i1 } %pair0, 0
 | 
						|
  ret i8 %0
 | 
						|
 | 
						|
; ALL-LABEL: AtomicCmpSwap8:
 | 
						|
 | 
						|
; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(y)
 | 
						|
; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(y)(
 | 
						|
 | 
						|
; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
 | 
						|
; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
 | 
						|
; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
 | 
						|
; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
 | 
						|
; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
 | 
						|
; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
 | 
						|
; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
 | 
						|
; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
 | 
						|
; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
 | 
						|
; ALL:           andi    $[[R9:[0-9]+]], $4, 255
 | 
						|
; ALL:           sllv    $[[R10:[0-9]+]], $[[R9]], $[[R5]]
 | 
						|
; ALL:           andi    $[[R11:[0-9]+]], $5, 255
 | 
						|
; ALL:           sllv    $[[R12:[0-9]+]], $[[R11]], $[[R5]]
 | 
						|
 | 
						|
; ALL:       $[[BB0:[A-Z_0-9]+]]:
 | 
						|
; ALL:           ll      $[[R13:[0-9]+]], 0($[[R2]])
 | 
						|
; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
 | 
						|
; NOT-MICROMIPS: bne     $[[R14]], $[[R10]], $[[BB1:[A-Z_0-9]+]]
 | 
						|
; MICROMIPS:     bne     $[[R14]], $[[R10]], $[[BB1:[A-Z_0-9]+]]
 | 
						|
; MIPSR6:        bnec    $[[R14]], $[[R10]], $[[BB1:[A-Z_0-9]+]]
 | 
						|
 | 
						|
; ALL:           and     $[[R15:[0-9]+]], $[[R13]], $[[R8]]
 | 
						|
; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R12]]
 | 
						|
; ALL:           sc      $[[R16]], 0($[[R2]])
 | 
						|
; NOT-MICROMIPS: beqz    $[[R16]], $[[BB0]]
 | 
						|
; MICROMIPS:     beqzc   $[[R16]], $[[BB0]]
 | 
						|
; MIPSR6:        beqzc   $[[R16]], $[[BB0]]
 | 
						|
 | 
						|
; ALL:       $[[BB1]]:
 | 
						|
; ALL:           srlv    $[[R17:[0-9]+]], $[[R14]], $[[R5]]
 | 
						|
 | 
						|
; NO-SEB-SEH:    sll     $[[R18:[0-9]+]], $[[R17]], 24
 | 
						|
; NO-SEB-SEH:    sra     $2, $[[R18]], 24
 | 
						|
 | 
						|
; HAS-SEB-SEH:   seb     $2, $[[R17]]
 | 
						|
}
 | 
						|
 | 
						|
define i1 @AtomicCmpSwapRes8(i8* %ptr, i8 signext %oldval, i8 signext %newval) nounwind {
 | 
						|
entry:
 | 
						|
  %0 = cmpxchg i8* %ptr, i8 %oldval, i8 %newval monotonic monotonic
 | 
						|
  %1 = extractvalue { i8, i1 } %0, 1
 | 
						|
  ret i1 %1
 | 
						|
; ALL-LABEL: AtomicCmpSwapRes8
 | 
						|
 | 
						|
; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
 | 
						|
; ALL:           and     $[[R2:[0-9]+]], $4, $[[R1]]
 | 
						|
; ALL:           andi    $[[R3:[0-9]+]], $4, 3
 | 
						|
; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
 | 
						|
; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 3
 | 
						|
; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
 | 
						|
; ALL:           ori     $[[R6:[0-9]+]], $zero, 255
 | 
						|
; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
 | 
						|
; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
 | 
						|
; ALL:           andi    $[[R9:[0-9]+]], $5, 255
 | 
						|
; ALL:           sllv    $[[R10:[0-9]+]], $[[R9]], $[[R5]]
 | 
						|
; ALL:           andi    $[[R11:[0-9]+]], $6, 255
 | 
						|
; ALL:           sllv    $[[R12:[0-9]+]], $[[R11]], $[[R5]]
 | 
						|
 | 
						|
; ALL:       $[[BB0:[A-Z_0-9]+]]:
 | 
						|
; ALL:           ll      $[[R13:[0-9]+]], 0($[[R2]])
 | 
						|
; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
 | 
						|
; NOT-MICROMIPS: bne     $[[R14]], $[[R10]], $[[BB1:[A-Z_0-9]+]]
 | 
						|
; MICROMIPS:     bne     $[[R14]], $[[R10]], $[[BB1:[A-Z_0-9]+]]
 | 
						|
; MIPSR6:        bnec    $[[R14]], $[[R10]], $[[BB1:[A-Z_0-9]+]]
 | 
						|
 | 
						|
; ALL:           and     $[[R15:[0-9]+]], $[[R13]], $[[R8]]
 | 
						|
; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R12]]
 | 
						|
; ALL:           sc      $[[R16]], 0($[[R2]])
 | 
						|
; NOT-MICROMIPS: beqz    $[[R16]], $[[BB0]]
 | 
						|
; MICROMIPS:     beqzc   $[[R16]], $[[BB0]]
 | 
						|
; MIPSR6:        beqzc   $[[R16]], $[[BB0]]
 | 
						|
 | 
						|
; ALL:       $[[BB1]]:
 | 
						|
; ALL:           srlv    $[[R17:[0-9]+]], $[[R14]], $[[R5]]
 | 
						|
 | 
						|
; NO-SEB-SEH:    sll     $[[R18:[0-9]+]], $[[R17]], 24
 | 
						|
; NO-SEB-SEH:    sra     $[[R19:[0-9]+]], $[[R18]], 24
 | 
						|
 | 
						|
; FIXME: -march=mips produces a redundant sign extension here...
 | 
						|
; NO-SEB-SEH:    sll     $[[R20:[0-9]+]], $5, 24
 | 
						|
; NO-SEB-SEH:    sra     $[[R20]], $[[R20]], 24
 | 
						|
 | 
						|
; HAS-SEB-SEH:   seb     $[[R19:[0-9]+]], $[[R17]]
 | 
						|
 | 
						|
; FIXME: ...Leading to this split check.
 | 
						|
; NO-SEB-SEH:    xor     $[[R21:[0-9]+]], $[[R19]], $[[R20]]
 | 
						|
; HAS-SEB-SEH:   xor     $[[R21:[0-9]+]], $[[R19]], $5
 | 
						|
 | 
						|
; ALL: sltiu   $2, $[[R21]], 1
 | 
						|
}
 | 
						|
 | 
						|
; Check one i16 so that we cover the seh sign extend
 | 
						|
@z = common global i16 0, align 1
 | 
						|
 | 
						|
define signext i16 @AtomicLoadAdd16(i16 signext %incr) nounwind {
 | 
						|
entry:
 | 
						|
  %0 = atomicrmw add i16* @z, i16 %incr monotonic
 | 
						|
  ret i16 %0
 | 
						|
 | 
						|
; ALL-LABEL: AtomicLoadAdd16:
 | 
						|
 | 
						|
; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(z)
 | 
						|
; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(z)(
 | 
						|
 | 
						|
; ALL:           addiu   $[[R1:[0-9]+]], $zero, -4
 | 
						|
; ALL:           and     $[[R2:[0-9]+]], $[[R0]], $[[R1]]
 | 
						|
; ALL:           andi    $[[R3:[0-9]+]], $[[R0]], 3
 | 
						|
; CHECK-EB:      xori    $[[R4:[0-9]+]], $[[R3]], 2
 | 
						|
; CHECK-EB:      sll     $[[R5:[0-9]+]], $[[R4]], 3
 | 
						|
; CHECK-EL:      sll     $[[R5:[0-9]+]], $[[R3]], 3
 | 
						|
; ALL:           ori     $[[R6:[0-9]+]], $zero, 65535
 | 
						|
; ALL:           sllv    $[[R7:[0-9]+]], $[[R6]], $[[R5]]
 | 
						|
; ALL:           nor     $[[R8:[0-9]+]], $zero, $[[R7]]
 | 
						|
; ALL:           sllv    $[[R9:[0-9]+]], $4, $[[R5]]
 | 
						|
 | 
						|
; O0:        $[[BB0:[A-Z_0-9]+]]:
 | 
						|
; O0:            ld      $[[R10:[0-9]+]]
 | 
						|
; O0-NEXT:       ll      $[[R11:[0-9]+]], 0($[[R10]])
 | 
						|
 | 
						|
; ALL:       $[[BB0:[A-Z_0-9]+]]:
 | 
						|
; ALL:           ll      $[[R12:[0-9]+]], 0($[[R2]])
 | 
						|
; ALL:           addu    $[[R13:[0-9]+]], $[[R12]], $[[R9]]
 | 
						|
; ALL:           and     $[[R14:[0-9]+]], $[[R13]], $[[R7]]
 | 
						|
; ALL:           and     $[[R15:[0-9]+]], $[[R12]], $[[R8]]
 | 
						|
; ALL:           or      $[[R16:[0-9]+]], $[[R15]], $[[R14]]
 | 
						|
; ALL:           sc      $[[R16]], 0($[[R2]])
 | 
						|
; NOT-MICROMIPS: beqz    $[[R16]], $[[BB0]]
 | 
						|
; MICROMIPS:     beqzc   $[[R16]], $[[BB0]]
 | 
						|
; MIPSR6:        beqzc   $[[R16]], $[[BB0]]
 | 
						|
 | 
						|
; ALL:           and     $[[R17:[0-9]+]], $[[R12]], $[[R7]]
 | 
						|
; ALL:           srlv    $[[R18:[0-9]+]], $[[R17]], $[[R5]]
 | 
						|
 | 
						|
; NO-SEB-SEH:    sll     $[[R19:[0-9]+]], $[[R18]], 16
 | 
						|
; NO-SEB-SEH:    sra     $2, $[[R19]], 16
 | 
						|
 | 
						|
; MIPS32R2:      seh     $2, $[[R18]]
 | 
						|
}
 | 
						|
 | 
						|
; Test that the i16 return value from cmpxchg is recognised as signed,
 | 
						|
; so that setCC doesn't end up comparing an unsigned value to a signed
 | 
						|
; value.
 | 
						|
; The rest of the functions here are testing the atomic expansion, so
 | 
						|
; we just match the end of the function.
 | 
						|
define {i16, i1} @foo(i16* %addr, i16 %l, i16 %r, i16 %new) {
 | 
						|
  %desired = add i16 %l, %r
 | 
						|
  %res = cmpxchg i16* %addr, i16 %desired, i16 %new seq_cst seq_cst
 | 
						|
  ret {i16, i1} %res
 | 
						|
 | 
						|
; ALL-LABEL: foo
 | 
						|
; MIPSR6:        addu    $[[R2:[0-9]+]], $[[R1:[0-9]+]], $[[R0:[0-9]+]]
 | 
						|
; NOT-MICROMIPS: addu    $[[R2:[0-9]+]], $[[R1:[0-9]+]], $[[R0:[0-9]+]]
 | 
						|
; MICROMIPS:     addu16  $[[R2:[0-9]+]], $[[R1:[0-9]+]], $[[R0:[0-9]+]]
 | 
						|
 | 
						|
; ALL:           sync
 | 
						|
 | 
						|
; ALL:           andi    $[[R3:[0-9]+]], $[[R2]], 65535
 | 
						|
; ALL:       $[[BB0:[A-Z_0-9]+]]:
 | 
						|
; ALL:           ll      $[[R4:[0-9]+]], 0($[[R5:[0-9]+]])
 | 
						|
; ALL:           and     $[[R6:[0-9]+]], $[[R4]], $
 | 
						|
; ALL:           and     $[[R7:[0-9]+]], $[[R4]], $
 | 
						|
; ALL:           or      $[[R8:[0-9]+]], $[[R7]], $
 | 
						|
; ALL:           sc      $[[R8]], 0($[[R5]])
 | 
						|
; NOT-MICROMIPS: beqz    $[[R8]], $[[BB0]]
 | 
						|
; MICROMIPS:     beqzc   $[[R8]], $[[BB0]]
 | 
						|
; MIPSR6:        beqzc   $[[R8]], $[[BB0]]
 | 
						|
 | 
						|
; ALL:           srlv    $[[R9:[0-9]+]], $[[R6]], $
 | 
						|
 | 
						|
; NO-SEB-SEH:    sll     $[[R10:[0-9]+]], $[[R9]], 16
 | 
						|
; NO-SEB-SEH:    sra     $[[R11:[0-9]+]], $[[R10]], 16
 | 
						|
 | 
						|
; NO-SEB-SEH:    sll     $[[R12:[0-9]+]], $[[R2]], 16
 | 
						|
; NO-SEB-SEH:    sra     $[[R13:[0-9]+]], $[[R12]], 16
 | 
						|
 | 
						|
; HAS-SEB-SEH:   seh     $[[R11:[0-9]+]], $[[R9]]
 | 
						|
; HAS-SEB-SEH:   seh     $[[R13:[0-9]+]], $[[R2]]
 | 
						|
 | 
						|
; ALL:           xor     $[[R12:[0-9]+]], $[[R11]], $[[R13]]
 | 
						|
; ALL:           sltiu   $3, $[[R12]], 1
 | 
						|
; ALL:           sync
 | 
						|
}
 | 
						|
 | 
						|
@countsint = common global i32 0, align 4
 | 
						|
 | 
						|
define i32 @CheckSync(i32 signext %v) nounwind noinline {
 | 
						|
entry:
 | 
						|
  %0 = atomicrmw add i32* @countsint, i32 %v seq_cst
 | 
						|
  ret i32 %0 
 | 
						|
 | 
						|
; ALL-LABEL: CheckSync:
 | 
						|
 | 
						|
; ALL:           sync
 | 
						|
; ALL:           ll
 | 
						|
; ALL:           sc
 | 
						|
; ALL:           beq
 | 
						|
; ALL:           sync
 | 
						|
}
 | 
						|
 | 
						|
; 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:
 | 
						|
  %pair0 = cmpxchg i32* @a, i32 1, i32 0 seq_cst seq_cst
 | 
						|
  %0 = extractvalue { i32, i1 } %pair0, 0
 | 
						|
  %1 = icmp eq i32 %0, 1
 | 
						|
  %conv = zext i1 %1 to i32
 | 
						|
  ret i32 %conv
 | 
						|
}
 | 
						|
 | 
						|
; Check that MIPS32R6 has the correct offset range.
 | 
						|
; FIXME: At the moment, we don't seem to do addr+offset for any atomic load/store.
 | 
						|
define i32 @AtomicLoadAdd32_OffGt9Bit(i32 signext %incr) nounwind {
 | 
						|
entry:
 | 
						|
  %0 = atomicrmw add i32* getelementptr(i32, i32* @x, i32 256), i32 %incr monotonic
 | 
						|
  ret i32 %0
 | 
						|
 | 
						|
; ALL-LABEL: AtomicLoadAdd32_OffGt9Bit:
 | 
						|
 | 
						|
; MIPS32-ANY:    lw      $[[R0:[0-9]+]], %got(x)
 | 
						|
; MIPS64-ANY:    ld      $[[R0:[0-9]+]], %got_disp(x)(
 | 
						|
 | 
						|
; ALL:           addiu   $[[PTR:[0-9]+]], $[[R0]], 1024
 | 
						|
; ALL:       $[[BB0:[A-Z_0-9]+]]:
 | 
						|
; ALL:           ll      $[[R1:[0-9]+]], 0($[[PTR]])
 | 
						|
; ALL:           addu    $[[R2:[0-9]+]], $[[R1]], $4
 | 
						|
; ALL:           sc      $[[R2]], 0($[[PTR]])
 | 
						|
; NOT-MICROMIPS: beqz    $[[R2]], $[[BB0]]
 | 
						|
; MICROMIPS:     beqzc   $[[R2]], $[[BB0]]
 | 
						|
; MIPSR6:        beqzc   $[[R2]], $[[BB0]]
 | 
						|
}
 |