diff options
| author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
| commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
| tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/CodeGen/PowerPC/empty-functions.ll | |
| parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
| download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 | |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/CodeGen/PowerPC/empty-functions.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/empty-functions.ll | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/test/CodeGen/PowerPC/empty-functions.ll b/test/CodeGen/PowerPC/empty-functions.ll index 3a2907d..e32a847 100644 --- a/test/CodeGen/PowerPC/empty-functions.ll +++ b/test/CodeGen/PowerPC/empty-functions.ll @@ -1,12 +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-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 -; CHECK-FP: _func: -; CHECK-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{{.*}}:{{$}} +; LINUX-NO-FP-NEXT: .size func, .L{{.*}}-func +; LINUX-NO-FP-NEXT: .cfi_endproc + +; A cfi directive can point to the end of a function. It (and in fact the +; entire body) could be optimized out because of the unreachable, but we +; don't do it right now. +; LINUX-FP: func: +; LINUX-FP-NEXT: .cfi_startproc +; LINUX-FP-NEXT: {{^}}# +; LINUX-FP-NEXT: stw 31, -4(1) +; LINUX-FP-NEXT: stwu 1, -16(1) +; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} +; 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 |