forked from OSchip/llvm-project
46 lines
1.7 KiB
LLVM
46 lines
1.7 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=CHECK-MACHO %s
|
|
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-MACHO %s
|
|
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
|
|
; RUN: llc -verify-machineinstrs < %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: {{^}}.L[[BEGIN:.*]]:{{$}}
|
|
; LINUX-NO-FP-NEXT: .cfi_startproc
|
|
; LINUX-NO-FP-NEXT: {{^}}#
|
|
; LINUX-NO-FP-NEXT: {{^}}.L[[END:.*]]:{{$}}
|
|
; LINUX-NO-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]]
|
|
; 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: {{^}}.L[[BEGIN:.*]]:{{$}}
|
|
; LINUX-FP-NEXT: .cfi_startproc
|
|
; LINUX-FP-NEXT: {{^}}#
|
|
; LINUX-FP-NEXT: stwu 1, -16(1)
|
|
; LINUX-FP-NEXT: stw 31, 12(1)
|
|
; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
|
|
; 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[[END:.*]]:{{$}}
|
|
; LINUX-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]]
|
|
; LINUX-FP-NEXT: .cfi_endproc
|