cmov.ll revision bdd26783b85128d32aa8faa0b24b77f834d97b25 
1; RUN: llc -march=mips < %s | FileCheck %s -check-prefix=O32
2; RUN: llc -march=mips -regalloc=basic < %s | FileCheck %s -check-prefix=O32
3; RUN: llc -march=mips64el -mcpu=mips64 -mattr=n64 < %s | FileCheck %s -check-prefix=N64
4
5@i1 = global [3 x i32] [i32 1, i32 2, i32 3], align 4
6@i3 = common global i32* null, align 4
7
8; O32:  lw $[[R0:[0-9]+]], %got(i3)
9; O32:  addiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got(i1) 
10; O32:  movn $[[R0]], $[[R1]], ${{[0-9]+}} 
11; N64:  ldr $[[R0:[0-9]+]] 
12; N64:  ld $[[R1:[0-9]+]], %got_disp(i1)
13; N64:  movn $[[R0]], $[[R1]], ${{[0-9]+}} 
14define i32* @cmov1(i32 %s) nounwind readonly {
15entry:
16  %tobool = icmp ne i32 %s, 0
17  %tmp1 = load i32** @i3, align 4
18  %cond = select i1 %tobool, i32* getelementptr inbounds ([3 x i32]* @i1, i32 0, i32 0), i32* %tmp1
19  ret i32* %cond
20}
21
22@c = global i32 1, align 4
23@d = global i32 0, align 4
24
25; O32: cmov2:
26; O32: addiu $[[R1:[0-9]+]], ${{[a-z0-9]+}}, %got(d)
27; O32: addiu $[[R0:[0-9]+]], ${{[a-z0-9]+}}, %got(c)
28; O32: movn  $[[R1]], $[[R0]], ${{[0-9]+}}
29; N64: cmov2:
30; N64: daddiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got_disp(d)
31; N64: daddiu $[[R0:[0-9]+]], ${{[0-9]+}}, %got_disp(c)
32; N64: movn  $[[R1]], $[[R0]], ${{[0-9]+}}
33define i32 @cmov2(i32 %s) nounwind readonly {
34entry:
35  %tobool = icmp ne i32 %s, 0
36  %tmp1 = load i32* @c, align 4
37  %tmp2 = load i32* @d, align 4
38  %cond = select i1 %tobool, i32 %tmp1, i32 %tmp2
39  ret i32 %cond
40}
41
42; O32: cmov3:
43; O32: xori $[[R0:[0-9]+]], ${{[0-9]+}}, 234
44; O32: movz ${{[0-9]+}}, ${{[0-9]+}}, $[[R0]]
45define i32 @cmov3(i32 %a, i32 %b, i32 %c) nounwind readnone {
46entry:
47  %cmp = icmp eq i32 %a, 234
48  %cond = select i1 %cmp, i32 %b, i32 %c
49  ret i32 %cond
50}
51
52; N64: cmov4:
53; N64: xori $[[R0:[0-9]+]], ${{[0-9]+}}, 234
54; N64: movz ${{[0-9]+}}, ${{[0-9]+}}, $[[R0]]
55define i64 @cmov4(i32 %a, i64 %b, i64 %c) nounwind readnone {
56entry:
57  %cmp = icmp eq i32 %a, 234
58  %cond = select i1 %cmp, i64 %b, i64 %c
59  ret i64 %cond
60}
61
62