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Add back tests for empty function in SPARC and PowerPC. 

llvm-svn: 217834
This commit is contained in:
Rafael Espindola 2014-09-15 22:11:07 +00:00
parent afa034fb61
commit 9dd2d5810f
2 changed files with 75 additions and 0 deletions
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43
llvm/test/CodeGen/PowerPC/empty-functions.ll Normal file
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@ -0,0 +1,43 @@
; RUN: llc < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=CHECK-MACHO %s
; RUN: llc < %s -mtriple=powerpc-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-MACHO %s
; RUN: llc < %s -mtriple=powerpc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
; RUN: llc < %s -mtriple=powerpc-linux-gnu -disable-fp-elim | FileCheck -check-prefix=LINUX-FP %s
define void @func() {
entry:
unreachable
}
; MachO cannot handle an empty function.
; CHECK-MACHO: _func:
; CHECK-MACHO-NEXT: .cfi_startproc
; CHECK-MACHO-NEXT: {{^}};
; CHECK-MACHO-NEXT: nop
; CHECK-MACHO-NEXT: .cfi_endproc
; An empty function is perfectly fine on ELF.
; LINUX-NO-FP: func:
; LINUX-NO-FP-NEXT: .cfi_startproc
; LINUX-NO-FP-NEXT: {{^}}#
; LINUX-NO-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-NO-FP-NEXT: .size func, .L{{.*}}-func
; LINUX-NO-FP-NEXT: .cfi_endproc
; A cfi directive can point to the end of a function. It (and in fact the
; entire body) could be optimized out because of the unreachable, but we
; don't do it right now.
; LINUX-FP: func:
; LINUX-FP-NEXT: .cfi_startproc
; LINUX-FP-NEXT: {{^}}#
; LINUX-FP-NEXT: stw 31, -4(1)
; LINUX-FP-NEXT: stwu 1, -16(1)
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .cfi_def_cfa_offset 16
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .cfi_offset r31, -4
; LINUX-FP-NEXT: mr 31, 1
; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .cfi_def_cfa_register r31
; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .size func, .Ltmp3-func
; LINUX-FP-NEXT: .cfi_endproc

32
llvm/test/CodeGen/SPARC/empty-functions.ll Normal file
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; RUN: llc < %s -mtriple=sparc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
; RUN: llc < %s -mtriple=sparc-linux-gnu -disable-fp-elim | FileCheck -check-prefix=LINUX-FP %s
define void @func() {
entry:
unreachable
}
; An empty function is perfectly fine on ELF.
; LINUX-NO-FP: func:
; LINUX-NO-FP-NEXT: .cfi_startproc
; LINUX-NO-FP-NEXT: {{^}}!
; LINUX-NO-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-NO-FP-NEXT: .size func, .L{{.*}}-func
; LINUX-NO-FP-NEXT: .cfi_endproc
; A cfi directive can point to the end of a function. It (and in fact the
; entire body) could be optimized out because of the unreachable, but we
; don't do it right now.
; LINUX-FP: func:
; LINUX-FP-NEXT: .cfi_startproc
; LINUX-FP-NEXT: {{^}}!
; LINUX-FP-NEXT: save %sp, -96, %sp
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .cfi_def_cfa_register %fp
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .cfi_window_save
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .cfi_register 15, 31
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
; LINUX-FP-NEXT: .size func, .Ltmp3-func
; LINUX-FP-NEXT: .cfi_endproc