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llvm-mirror/test/CodeGen/Mips/divrem.ll

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; RUN: llc -march=mips < %s | FileCheck %s -check-prefix=TRAP
; RUN: llc -march=mips -mno-check-zero-division < %s |\
; RUN: FileCheck %s -check-prefix=NOCHECK
; TRAP-LABEL: sdiv1:
; TRAP: div $zero, ${{[0-9]+}}, $[[R0:[0-9]+]]
; TRAP: teq $[[R0]], $zero, 7
; TRAP: mflo
; NOCHECK-LABEL: sdiv1:
; NOCHECK-NOT: teq
; NOCHECK: .end sdiv1
define i32 @sdiv1(i32 %a0, i32 %a1) nounwind readnone {
entry:
%div = sdiv i32 %a0, %a1
ret i32 %div
}
; TRAP-LABEL: srem1:
; TRAP: div $zero, ${{[0-9]+}}, $[[R0:[0-9]+]]
; TRAP: teq $[[R0]], $zero, 7
; TRAP: mfhi
define i32 @srem1(i32 %a0, i32 %a1) nounwind readnone {
entry:
%rem = srem i32 %a0, %a1
ret i32 %rem
}
; TRAP-LABEL: udiv1:
; TRAP: divu $zero, ${{[0-9]+}}, $[[R0:[0-9]+]]
; TRAP: teq $[[R0]], $zero, 7
; TRAP: mflo
define i32 @udiv1(i32 %a0, i32 %a1) nounwind readnone {
entry:
%div = udiv i32 %a0, %a1
ret i32 %div
}
; TRAP-LABEL: urem1:
; TRAP: divu $zero, ${{[0-9]+}}, $[[R0:[0-9]+]]
; TRAP: teq $[[R0]], $zero, 7
; TRAP: mfhi
define i32 @urem1(i32 %a0, i32 %a1) nounwind readnone {
entry:
%rem = urem i32 %a0, %a1
ret i32 %rem
}
; TRAP: div $zero,
define i32 @sdivrem1(i32 %a0, i32 %a1, i32* nocapture %r) nounwind {
entry:
%rem = srem i32 %a0, %a1
store i32 %rem, i32* %r, align 4
%div = sdiv i32 %a0, %a1
ret i32 %div
}
; TRAP: divu $zero,
define i32 @udivrem1(i32 %a0, i32 %a1, i32* nocapture %r) nounwind {
entry:
%rem = urem i32 %a0, %a1
store i32 %rem, i32* %r, align 4
%div = udiv i32 %a0, %a1
ret i32 %div
}