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      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 
      7 define i32 @t1() nounwind readnone {
      8 entry:
      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 
     20 define void @t2() nounwind {
     21 entry:
     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 
     34 define i32 @t3() "no-frame-pointer-elim-non-leaf" nounwind readnone {
     35 entry:
     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 
     47 define void @t4() "no-frame-pointer-elim-non-leaf" nounwind {
     48 entry:
     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 
     62 declare void @foo(i32)
     63