1; RUN: llc < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=CHECK-MACHO %s 2; RUN: llc < %s -mtriple=powerpc-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-MACHO %s 3; RUN: llc < %s -mtriple=powerpc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s 4; RUN: llc < %s -mtriple=powerpc-linux-gnu -disable-fp-elim | FileCheck -check-prefix=LINUX-FP %s 5 6define void @func() { 7entry: 8 unreachable 9} 10 11; MachO cannot handle an empty function. 12; CHECK-MACHO: _func: 13; CHECK-MACHO-NEXT: .cfi_startproc 14; CHECK-MACHO-NEXT: {{^}}; 15; CHECK-MACHO-NEXT: nop 16; CHECK-MACHO-NEXT: .cfi_endproc 17 18; An empty function is perfectly fine on ELF. 19; LINUX-NO-FP: func: 20; LINUX-NO-FP-NEXT: {{^}}.L[[BEGIN:.*]]:{{$}} 21; LINUX-NO-FP-NEXT: .cfi_startproc 22; LINUX-NO-FP-NEXT: {{^}}# 23; LINUX-NO-FP-NEXT: {{^}}.L[[END:.*]]:{{$}} 24; LINUX-NO-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]] 25; LINUX-NO-FP-NEXT: .cfi_endproc 26 27; A cfi directive can point to the end of a function. It (and in fact the 28; entire body) could be optimized out because of the unreachable, but we 29; don't do it right now. 30; LINUX-FP: func: 31; LINUX-FP-NEXT: {{^}}.L[[BEGIN:.*]]:{{$}} 32; LINUX-FP-NEXT: .cfi_startproc 33; LINUX-FP-NEXT: {{^}}# 34; LINUX-FP-NEXT: stw 31, -4(1) 35; LINUX-FP-NEXT: stwu 1, -16(1) 36; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} 37; LINUX-FP-NEXT: .cfi_def_cfa_offset 16 38; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} 39; LINUX-FP-NEXT: .cfi_offset r31, -4 40; LINUX-FP-NEXT: mr 31, 1 41; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}} 42; LINUX-FP-NEXT: .cfi_def_cfa_register r31 43; LINUX-FP-NEXT: {{^}}.L[[END:.*]]:{{$}} 44; LINUX-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]] 45; LINUX-FP-NEXT: .cfi_endproc 46