Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/X86/empty-functions.ll

@@ -1,44 +0,0 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck -check-prefix=CHECK-NO-FP %s
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-FP %s
-; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
-; RUN: llc < %s -mtriple=x86_64-linux-gnu -disable-fp-elim | FileCheck -check-prefix=LINUX-FP %s
-
-define void @func() {
-entry:
-  unreachable
-}
-
-; MachO cannot handle an empty function.
-; CHECK-NO-FP:     _func:
-; CHECK-NO-FP-NEXT: .cfi_startproc
-; CHECK-NO-FP:     nop
-; CHECK-NO-FP-NEXT: .cfi_endproc
-
-; CHECK-FP:      _func:
-; CHECK-FP-NEXT: .cfi_startproc
-; CHECK-FP-NEXT: :
-; CHECK-FP-NEXT: pushq %rbp
-; CHECK-FP-NEXT: .cfi_def_cfa_offset 16
-; CHECK-FP-NEXT: .cfi_offset %rbp, -16
-; CHECK-FP-NEXT: movq %rsp, %rbp
-; CHECK-FP-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{{.*}}:{{$}}
-; LINUX-NO-FP-NEXT: .size   func, .L{{.*}}-func
-; LINUX-NO-FP-NEXT: .cfi_endproc
-
-; A cfi directive cannot point to the end of a function.
-; LINUX-FP: func:
-; LINUX-FP-NEXT: .cfi_startproc
-; LINUX-FP-NEXT: {{^}}#
-; LINUX-FP-NEXT: pushq %rbp
-; LINUX-FP-NEXT:  .cfi_def_cfa_offset 16
-; LINUX-FP-NEXT: .cfi_offset %rbp, -16
-; LINUX-FP-NEXT: movq        %rsp, %rbp
-; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
-; LINUX-FP-NEXT: .size   func, .Lfunc_end0-func
-; LINUX-FP-NEXT: .cfi_endproc