; RUN: llc -mcpu=mips32r2 -march=mipsel -relocation-model=static -o - %s | FileCheck %s
define void @isr_sw0() #0 {
; CHECK-LABEL: isr_sw0:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, [[R1:[0-9]+]]($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, [[R2:[0-9]+]]($sp)
; CHECK: ins $27, $zero, 8, 1
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
; Must save all registers
; CHECK: sw $7, {{[0-9]+}}($sp)
; CHECK: sw $6, {{[0-9]+}}($sp)
; CHECK: sw $5, {{[0-9]+}}($sp)
; CHECK: sw $4, {{[0-9]+}}($sp)
; CHECK: sw $3, {{[0-9]+}}($sp)
; CHECK: sw $2, {{[0-9]+}}($sp)
; CHECK: sw $25, {{[0-9]+}}($sp)
; CHECK: sw $24, {{[0-9]+}}($sp)
; CHECK: sw $15, {{[0-9]+}}($sp)
; CHECK: sw $14, {{[0-9]+}}($sp)
; CHECK: sw $13, {{[0-9]+}}($sp)
; CHECK: sw $12, {{[0-9]+}}($sp)
; CHECK: sw $11, {{[0-9]+}}($sp)
; CHECK: sw $10, {{[0-9]+}}($sp)
; CHECK: sw $9, {{[0-9]+}}($sp)
; CHECK: sw $8, {{[0-9]+}}($sp)
; CHECK: sw $ra, [[R5:[0-9]+]]($sp)
; CHECK: sw $gp, {{[0-9]+}}($sp)
; CHECK: sw $1, {{[0-9]+}}($sp)
; CHECK: mflo $26
; CHECK: sw $26, [[R3:[0-9]+]]($sp)
; CHECK: mfhi $26
; CHECK: sw $26, [[R4:[0-9]+]]($sp)
call void bitcast (void (...)* @write to void ()*)()
; CHECK: lw $26, [[R4:[0-9]+]]($sp)
; CHECK: mthi $26
; CHECK: lw $26, [[R3:[0-9]+]]($sp)
; CHECK: mtlo $26
; CHECK: lw $1, {{[0-9]+}}($sp)
; CHECK: lw $gp, {{[0-9]+}}($sp)
; CHECK: lw $ra, [[R5:[0-9]+]]($sp)
; CHECK: lw $8, {{[0-9]+}}($sp)
; CHECK: lw $9, {{[0-9]+}}($sp)
; CHECK: lw $10, {{[0-9]+}}($sp)
; CHECK: lw $11, {{[0-9]+}}($sp)
; CHECK: lw $12, {{[0-9]+}}($sp)
; CHECK: lw $13, {{[0-9]+}}($sp)
; CHECK: lw $14, {{[0-9]+}}($sp)
; CHECK: lw $15, {{[0-9]+}}($sp)
; CHECK: lw $24, {{[0-9]+}}($sp)
; CHECK: lw $25, {{[0-9]+}}($sp)
; CHECK: lw $2, {{[0-9]+}}($sp)
; CHECK: lw $3, {{[0-9]+}}($sp)
; CHECK: lw $4, {{[0-9]+}}($sp)
; CHECK: lw $5, {{[0-9]+}}($sp)
; CHECK: lw $6, {{[0-9]+}}($sp)
; CHECK: lw $7, {{[0-9]+}}($sp)
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, [[R2:[0-9]+]]($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, [[R1:[0-9]+]]($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
ret void
}
declare void @write(...)
define void @isr_sw1() #2 {
; CHECK-LABEL: isr_sw1:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $zero, 8, 2
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
define void @isr_hw0() #3 {
; CHECK-LABEL: isr_hw0:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $zero, 8, 3
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
define void @isr_hw1() #4 {
; CHECK-LABEL: isr_hw1:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $zero, 8, 4
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
define void @isr_hw2() #5 {
; CHECK-LABEL: isr_hw2:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $zero, 8, 5
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
define void @isr_hw3() #6 {
; CHECK-LABEL: isr_hw3:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $zero, 8, 6
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
define void @isr_hw4() #7 {
; CHECK-LABEL: isr_hw4:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $zero, 8, 7
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
define void @isr_hw5() #8 {
; CHECK-LABEL: isr_hw5:
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $zero, 8, 8
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
define void @isr_eic() #9 {
; CHECK-LABEL: isr_eic:
; CHECK: mfc0 $26, $13, 0
; CHECK: ext $26, $26, 10, 6
; CHECK: mfc0 $27, $14, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: mfc0 $27, $12, 0
; CHECK: sw $27, {{[0-9]+}}($sp)
; CHECK: ins $27, $26, 10, 6
; CHECK: ins $27, $zero, 1, 4
; CHECK: ins $27, $zero, 29, 1
; CHECK: mtc0 $27, $12, 0
ret void
; CHECK: di
; CHECK: ehb
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $14, 0
; CHECK: lw $27, {{[0-9]+}}($sp)
; CHECK: mtc0 $27, $12, 0
; CHECK: eret
}
attributes #0 = { "interrupt"="sw0" }
attributes #2 = { "interrupt"="sw1" }
attributes #3 = { "interrupt"="hw0" }
attributes #4 = { "interrupt"="hw1" }
attributes #5 = { "interrupt"="hw2" }
attributes #6 = { "interrupt"="hw3" }
attributes #7 = { "interrupt"="hw4" }
attributes #8 = { "interrupt"="hw5" }
attributes #9 = { "interrupt"="eic" }