mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 16:02:52 +01:00
45 lines
1.0 KiB
LLVM
45 lines
1.0 KiB
LLVM
; RUN: llc < %s -march=x86 -asm-verbose=false | FileCheck %s -check-prefix=FP-ELIM
|
|
; RUN: llc < %s -march=x86 -asm-verbose=false -disable-fp-elim | FileCheck %s -check-prefix=NO-ELIM
|
|
; RUN: llc < %s -march=x86 -asm-verbose=false -disable-non-leaf-fp-elim | FileCheck %s -check-prefix=NON-LEAF
|
|
|
|
; Implement -momit-leaf-frame-pointer
|
|
; rdar://7886181
|
|
|
|
define i32 @t1() nounwind readnone {
|
|
entry:
|
|
; FP-ELIM: t1:
|
|
; FP-ELIM-NEXT: movl
|
|
; FP-ELIM-NEXT: ret
|
|
|
|
; NO-ELIM: t1:
|
|
; NO-ELIM-NEXT: pushl %ebp
|
|
; NO-ELIM: popl %ebp
|
|
; NO-ELIM-NEXT: ret
|
|
|
|
; NON-LEAF: t1:
|
|
; NON-LEAF-NEXT: movl
|
|
; NON-LEAF-NEXT: ret
|
|
ret i32 10
|
|
}
|
|
|
|
define void @t2() nounwind {
|
|
entry:
|
|
; FP-ELIM: t2:
|
|
; FP-ELIM-NOT: pushl %ebp
|
|
; FP-ELIM: ret
|
|
|
|
; NO-ELIM: t2:
|
|
; NO-ELIM-NEXT: pushl %ebp
|
|
; NO-ELIM: popl %ebp
|
|
; NO-ELIM-NEXT: ret
|
|
|
|
; NON-LEAF: t2:
|
|
; NON-LEAF-NEXT: pushl %ebp
|
|
; NON-LEAF: popl %ebp
|
|
; NON-LEAF-NEXT: ret
|
|
tail call void @foo(i32 0) nounwind
|
|
ret void
|
|
}
|
|
|
|
declare void @foo(i32)
|