1; RUN: llc < %s -march=x86 -asm-verbose=false                           | FileCheck %s -check-prefix=FP-ELIM
2; RUN: llc < %s -march=x86 -asm-verbose=false -disable-fp-elim          | FileCheck %s -check-prefix=NO-ELIM
3
4; Implement -momit-leaf-frame-pointer
5; rdar://7886181
6
7define i32 @t1() nounwind readnone {
8entry:
9; FP-ELIM-LABEL:  t1:
10; FP-ELIM-NEXT:     movl
11; FP-ELIM-NEXT:     ret
12
13; NO-ELIM-LABEL:  t1:
14; NO-ELIM-NEXT:     pushl %ebp
15; NO-ELIM:          popl %ebp
16; NO-ELIM-NEXT:     ret
17  ret i32 10
18}
19
20define void @t2() nounwind {
21entry:
22; FP-ELIM-LABEL:  t2:
23; FP-ELIM-NOT:      pushl %ebp
24; FP-ELIM:          ret
25
26; NO-ELIM-LABEL:  t2:
27; NO-ELIM-NEXT:     pushl %ebp
28; NO-ELIM:          popl %ebp
29; NO-ELIM-NEXT:     ret
30  tail call void @foo(i32 0) nounwind
31  ret void
32}
33
34define i32 @t3() "no-frame-pointer-elim-non-leaf" nounwind readnone {
35entry:
36; FP-ELIM-LABEL:  t3:
37; FP-ELIM-NEXT:     movl
38; FP-ELIM-NEXT:     ret
39
40; NO-ELIM-LABEL:  t3:
41; NO-ELIM-NEXT:     pushl %ebp
42; NO-ELIM:          popl %ebp
43; NO-ELIM-NEXT:     ret
44  ret i32 10
45}
46
47define void @t4() "no-frame-pointer-elim-non-leaf" nounwind {
48entry:
49; FP-ELIM-LABEL:  t4:
50; FP-ELIM-NEXT:     pushl %ebp
51; FP-ELIM:          popl %ebp
52; FP-ELIM-NEXT:     ret
53
54; NO-ELIM-LABEL:  t4:
55; NO-ELIM-NEXT:     pushl %ebp
56; NO-ELIM:          popl %ebp
57; NO-ELIM-NEXT:     ret
58  tail call void @foo(i32 0) nounwind
59  ret void
60}
61
62declare void @foo(i32)
63