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; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck %s
define i32 @Test_get_quotient(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: Test_get_quotient:
; CHECK: orl %ecx, %edx
; CHECK-NEXT: testl $-256, %edx
; CHECK-NEXT: je
; CHECK: idivl
; CHECK: ret
; CHECK: divb
; CHECK: ret
%result = sdiv i32 %a, %b
ret i32 %result
}
define i32 @Test_get_remainder(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: Test_get_remainder:
; CHECK: orl %ecx, %edx
; CHECK-NEXT: testl $-256, %edx
; CHECK-NEXT: je
; CHECK: idivl
; CHECK: ret
; CHECK: divb
; CHECK: ret
%result = srem i32 %a, %b
ret i32 %result
}
define i32 @Test_get_quotient_and_remainder(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: Test_get_quotient_and_remainder:
; CHECK: orl %ecx, %edx
; CHECK-NEXT: testl $-256, %edx
; CHECK-NEXT: je
; CHECK: idivl
; CHECK: divb
; CHECK: addl
; CHECK: ret
; CHECK-NOT: idivl
; CHECK-NOT: divb
%resultdiv = sdiv i32 %a, %b
%resultrem = srem i32 %a, %b
%result = add i32 %resultdiv, %resultrem
ret i32 %result
}
define i32 @Test_use_div_and_idiv(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: Test_use_div_and_idiv:
; CHECK: idivl
; CHECK: divb
; CHECK: divl
; CHECK: divb
; CHECK: addl
; CHECK: ret
%resultidiv = sdiv i32 %a, %b
%resultdiv = udiv i32 %a, %b
%result = add i32 %resultidiv, %resultdiv
ret i32 %result
}
define i32 @Test_use_div_imm_imm() nounwind {
; CHECK-LABEL: Test_use_div_imm_imm:
; CHECK: movl $64
%resultdiv = sdiv i32 256, 4
ret i32 %resultdiv
}
define i32 @Test_use_div_reg_imm(i32 %a) nounwind {
; CHECK-LABEL: Test_use_div_reg_imm:
; CHECK-NOT: test
; CHECK-NOT: idiv
; CHECK-NOT: divb
%resultdiv = sdiv i32 %a, 33
ret i32 %resultdiv
}
define i32 @Test_use_rem_reg_imm(i32 %a) nounwind {
; CHECK-LABEL: Test_use_rem_reg_imm:
; CHECK-NOT: test
; CHECK-NOT: idiv
; CHECK-NOT: divb
%resultrem = srem i32 %a, 33
ret i32 %resultrem
}
define i32 @Test_use_divrem_reg_imm(i32 %a) nounwind {
; CHECK-LABEL: Test_use_divrem_reg_imm:
; CHECK-NOT: test
; CHECK-NOT: idiv
; CHECK-NOT: divb
%resultdiv = sdiv i32 %a, 33
%resultrem = srem i32 %a, 33
%result = add i32 %resultdiv, %resultrem
ret i32 %result
}
define i32 @Test_use_div_imm_reg(i32 %a) nounwind {
; CHECK-LABEL: Test_use_div_imm_reg:
; CHECK: test
; CHECK: idiv
; CHECK: divb
%resultdiv = sdiv i32 4, %a
ret i32 %resultdiv
}
define i32 @Test_use_rem_imm_reg(i32 %a) nounwind {
; CHECK-LABEL: Test_use_rem_imm_reg:
; CHECK: test
; CHECK: idiv
; CHECK: divb
%resultdiv = sdiv i32 4, %a
ret i32 %resultdiv
}
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