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Readd testcase.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103335 91177308-0d34-0410-b5e6-96231b3b80d8
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Bill Wendling 2010-05-08 04:47:54 +00:00
parent d547708976
commit 369252db2e
1 changed files with 44 additions and 0 deletions
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test/CodeGen/X86/fp-elim.ll Normal file
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; 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)