Mercurial > hg > CbC > CbC_llvm

comparison test/CodeGen/PowerPC/empty-functions.ll @ 83:60c9769439b8 LLVM3.7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
comparison
equal deleted inserted replaced
78:af83660cff7b 83:60c9769439b8
1 ; RUN: llc < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=CHECK-NO-FP %s 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-FP %s 2 ; RUN: llc < %s -mtriple=powerpc-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-MACHO %s
3 ; RUN: llc < %s -mtriple=powerpc-netbsd -disable-fp-elim | FileCheck -check-prefix=CHECK-FP %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
4 5
5 define void @func() { 6 define void @func() {
6 entry: 7 entry:
7 unreachable 8 unreachable
8 } 9 }
9 ; CHECK-NO-FP: _func:
10 ; CHECK-NO-FP: nop
11 10
12 ; CHECK-FP: {{_?}}func: 11 ; MachO cannot handle an empty function.
13 ; CHECK-FP: nop {{[;#]}} avoids zero-length 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: .cfi_startproc
21 ; LINUX-NO-FP-NEXT: {{^}}#
22 ; LINUX-NO-FP-NEXT: {{^}}.L{{.*}}:{{$}}
23 ; LINUX-NO-FP-NEXT: .size func, .L{{.*}}-func
24 ; LINUX-NO-FP-NEXT: .cfi_endproc
25
26 ; A cfi directive can point to the end of a function. It (and in fact the
27 ; entire body) could be optimized out because of the unreachable, but we
28 ; don't do it right now.
29 ; LINUX-FP: func:
30 ; LINUX-FP-NEXT: .cfi_startproc
31 ; LINUX-FP-NEXT: {{^}}#
32 ; LINUX-FP-NEXT: stw 31, -4(1)
33 ; LINUX-FP-NEXT: stwu 1, -16(1)
34 ; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
35 ; LINUX-FP-NEXT: .cfi_def_cfa_offset 16
36 ; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
37 ; LINUX-FP-NEXT: .cfi_offset r31, -4
38 ; LINUX-FP-NEXT: mr 31, 1
39 ; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
40 ; LINUX-FP-NEXT: .cfi_def_cfa_register r31
41 ; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
42 ; LINUX-FP-NEXT: .size func, .Ltmp3-func
43 ; LINUX-FP-NEXT: .cfi_endproc