1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
; RUN: llc -march=x86 < %s | FileCheck %s
; No attributes, should not use idiv
define i32 @test1(i32 inreg %x) {
entry:
%div = sdiv i32 %x, 16
ret i32 %div
; CHECK-LABEL: test1:
; CHECK-NOT: idivl
; CHECK: ret
}
; Has minsize (-Oz) attribute, should generate idiv
define i32 @test2(i32 inreg %x) minsize {
entry:
%div = sdiv i32 %x, 16
ret i32 %div
; CHECK-LABEL: test2:
; CHECK: idivl
; CHECK: ret
}
; Has optsize (-Os) attribute, should not generate idiv
define i32 @test3(i32 inreg %x) optsize {
entry:
%div = sdiv i32 %x, 16
ret i32 %div
; CHECK-LABEL: test3:
; CHECK-NOT: idivl
; CHECK: ret
}
|
