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
34
35
36
37
38
39
40
41
|
; RUN: llc -mtriple=thumbv6m-apple-macho %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-T1
; RUN: llc -mtriple=thumbv7m-apple-macho %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-T2
define i32 @test_add_i3(i1 %tst, i32 %a, i32 %b) {
; CHECK-LABEL: test_add_i3:
; CHECK: adds r0, {{r[0-9]+}}, #2
%tmp = and i32 %a, -7
%tmp1 = and i32 %b, -4
%int = select i1 %tst, i32 %tmp, i32 %tmp1
; Call to force %int into a register that isn't r0 so using the i3 form is a
; good idea.
call void @foo(i32 %int)
%res = or i32 %int, 2
ret i32 %res
}
define i32 @test_add_i8(i32 %a, i32 %b, i1 %tst) {
; CHECK-LABEL: test_add_i8:
; CHECK-T1: adds r0, #12
; CHECK-T2: add.w r0, {{r[0-9]+}}, #12
%tmp = and i32 %a, -256
%tmp1 = and i32 %b, -512
%int = select i1 %tst, i32 %tmp, i32 %tmp1
%res = or i32 %int, 12
ret i32 %res
}
define i32 @test_add_i12(i32 %a, i32 %b, i1 %tst) {
; CHECK-LABEL: test_add_i12:
; CHECK-T2: addw r0, {{r[0-9]+}}, #854
%tmp = and i32 %a, -4096
%tmp1 = and i32 %b, -8192
%int = select i1 %tst, i32 %tmp, i32 %tmp1
%res = or i32 %int, 854
ret i32 %res
}
declare void @foo(i32)
|
