Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/PowerPC/empty-functions.ll @ 83:60c9769439b8 LLVM3.7
LLVM 3.7
| author | Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 18 Feb 2015 14:55:36 +0900 |
| parents | 54457678186b |
| children | afa8332a0e37 |
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--- a/test/CodeGen/PowerPC/empty-functions.ll Mon Sep 08 22:07:30 2014 +0900 +++ b/test/CodeGen/PowerPC/empty-functions.ll Wed Feb 18 14:55:36 2015 +0900 @@ -1,13 +1,43 @@ -; RUN: llc < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=CHECK-NO-FP %s -; RUN: llc < %s -mtriple=powerpc-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-FP %s -; RUN: llc < %s -mtriple=powerpc-netbsd -disable-fp-elim | FileCheck -check-prefix=CHECK-FP %s +; 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 } -; CHECK-NO-FP: _func: -; CHECK-NO-FP: nop + +; 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{{.*}}:{{$}} +; LINUX-NO-FP-NEXT: .size func, .L{{.*}}-func +; LINUX-NO-FP-NEXT: .cfi_endproc -; CHECK-FP: {{_?}}func: -; CHECK-FP: nop {{[;#]}} avoids zero-length function +; A cfi directive can point to the end of a function. It (and in fact the +; entire body) could be optimized out because of the unreachable, but we +; don't do it right now. +; LINUX-FP: func: +; LINUX-FP-NEXT: .cfi_startproc +; LINUX-FP-NEXT: {{^}}# +; LINUX-FP-NEXT: stw 31, -4(1) +; LINUX-FP-NEXT: stwu 1, -16(1) +; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} +; 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