2012-09-04 20:22:17 +02:00
|
|
|
; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck %s
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_get_quotient(i32 %a, i32 %b) nounwind {
|
|
|
|
; CHECK: Test_get_quotient:
|
2012-09-04 20:22:17 +02:00
|
|
|
; 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
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_get_remainder(i32 %a, i32 %b) nounwind {
|
|
|
|
; CHECK: Test_get_remainder:
|
2012-09-04 20:22:17 +02:00
|
|
|
; 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
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_get_quotient_and_remainder(i32 %a, i32 %b) nounwind {
|
|
|
|
; CHECK: Test_get_quotient_and_remainder:
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK: orl %ecx, %edx
|
|
|
|
; CHECK-NEXT: testl $-256, %edx
|
|
|
|
; CHECK-NEXT: je
|
|
|
|
; CHECK: idivl
|
|
|
|
; CHECK: divb
|
|
|
|
; CHECK: addl
|
|
|
|
; CHECK: ret
|
2012-12-12 14:34:20 +01:00
|
|
|
; CHECK-NOT: idivl
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK-NOT: divb
|
|
|
|
%resultdiv = sdiv i32 %a, %b
|
|
|
|
%resultrem = srem i32 %a, %b
|
|
|
|
%result = add i32 %resultdiv, %resultrem
|
|
|
|
ret i32 %result
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_use_div_and_idiv(i32 %a, i32 %b) nounwind {
|
|
|
|
; CHECK: Test_use_div_and_idiv:
|
2012-09-04 20:22:17 +02:00
|
|
|
; 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
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_use_div_imm_imm() nounwind {
|
|
|
|
; CHECK: Test_use_div_imm_imm:
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK: movl $64
|
|
|
|
%resultdiv = sdiv i32 256, 4
|
|
|
|
ret i32 %resultdiv
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_use_div_reg_imm(i32 %a) nounwind {
|
|
|
|
; CHECK: Test_use_div_reg_imm:
|
2012-12-12 14:34:20 +01:00
|
|
|
; CHECK-NOT: test
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK-NOT: idiv
|
|
|
|
; CHECK-NOT: divb
|
|
|
|
%resultdiv = sdiv i32 %a, 33
|
|
|
|
ret i32 %resultdiv
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_use_rem_reg_imm(i32 %a) nounwind {
|
|
|
|
; CHECK: Test_use_rem_reg_imm:
|
2012-12-12 14:34:20 +01:00
|
|
|
; CHECK-NOT: test
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK-NOT: idiv
|
|
|
|
; CHECK-NOT: divb
|
|
|
|
%resultrem = srem i32 %a, 33
|
|
|
|
ret i32 %resultrem
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_use_divrem_reg_imm(i32 %a) nounwind {
|
|
|
|
; CHECK: Test_use_divrem_reg_imm:
|
2012-12-12 14:34:20 +01:00
|
|
|
; CHECK-NOT: test
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK-NOT: idiv
|
|
|
|
; CHECK-NOT: divb
|
|
|
|
%resultdiv = sdiv i32 %a, 33
|
|
|
|
%resultrem = srem i32 %a, 33
|
|
|
|
%result = add i32 %resultdiv, %resultrem
|
|
|
|
ret i32 %result
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_use_div_imm_reg(i32 %a) nounwind {
|
|
|
|
; CHECK: Test_use_div_imm_reg:
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK: test
|
|
|
|
; CHECK: idiv
|
|
|
|
; CHECK: divb
|
|
|
|
%resultdiv = sdiv i32 4, %a
|
|
|
|
ret i32 %resultdiv
|
|
|
|
}
|
|
|
|
|
2012-12-12 14:34:14 +01:00
|
|
|
define i32 @Test_use_rem_imm_reg(i32 %a) nounwind {
|
|
|
|
; CHECK: Test_use_rem_imm_reg:
|
2012-09-04 20:22:17 +02:00
|
|
|
; CHECK: test
|
|
|
|
; CHECK: idiv
|
|
|
|
; CHECK: divb
|
|
|
|
%resultdiv = sdiv i32 4, %a
|
|
|
|
ret i32 %resultdiv
|
|
|
|
}
|