llvm/test/Feature/aliases.ll
David Blaikie 21f77df7b6 [opaque pointer type] Add textual IR support for explicit type parameter for global aliases
update.py:
import fileinput
import sys
import re

alias_match_prefix = r"(.*(?:=|:|^)\s*(?:external |)(?:(?:private|internal|linkonce|linkonce_odr|weak|weak_odr|common|appending|extern_weak|available_externally) )?(?:default |hidden |protected )?(?:dllimport |dllexport )?(?:unnamed_addr |)(?:thread_local(?:\([a-z]*\))? )?alias"
plain = re.compile(alias_match_prefix + r" (.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|addrspacecast|\[\[[a-zA-Z]|\{\{).*$)")
cast  = re.compile(alias_match_prefix + r") ((?:bitcast|inttoptr|addrspacecast)\s*\(.* to (.*?)(| addrspace\(\d+\) *)\*\)\s*(?:;.*)?$)")
gep   = re.compile(alias_match_prefix + r") ((?:getelementptr)\s*(?:inbounds)?\s*\((?P<type>.*), (?P=type)(?:\s*addrspace\(\d+\)\s*)?\* .*\)\s*(?:;.*)?$)")

def conv(line):
  m = re.match(cast, line)
  if m:
    return m.group(1) + " " + m.group(3) + ", " + m.group(2)
  m = re.match(gep, line)
  if m:
    return m.group(1) + " " + m.group(3) + ", " + m.group(2)
  m = re.match(plain, line)
  if m:
    return m.group(1) + ", " + m.group(2) + m.group(3) + "*" + m.group(4) + "\n"
  return line

for line in sys.stdin:
  sys.stdout.write(conv(line))

apply.sh:
for name in "$@"
do
  python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
  rm -f "$name.tmp"
done

The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247378 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-11 03:22:04 +00:00

44 lines
1.1 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
@llvm.used = appending global [1 x i8*] [i8* bitcast (i32* @foo1 to i8*)], section "llvm.metadata"
@bar = global i32 0
@foo1 = alias i32, i32* @bar
@foo2 = alias i32, i32* @bar
@foo3 = alias i32, i32* @foo2
@foo4 = unnamed_addr alias i32, i32* @foo2
; Make sure the verifier does not complain about references to a global
; declaration from an initializer.
@decl = external global i32
@ptr = global i32* @decl
@ptr_a = alias i32*, i32** @ptr
%FunTy = type i32()
define i32 @foo_f() {
ret i32 0
}
@bar_f = weak_odr alias %FunTy, %FunTy* @foo_f
@bar_ff = alias i32(), i32()* @bar_f
@bar_i = internal alias i32, i32* @bar
@A = alias i64, bitcast (i32* @bar to i64*)
define i32 @test() {
entry:
%tmp = load i32, i32* @foo1
%tmp1 = load i32, i32* @foo2
%tmp0 = load i32, i32* @bar_i
%tmp2 = call i32 @foo_f()
%tmp3 = add i32 %tmp, %tmp2
%tmp4 = call %FunTy @bar_f()
%tmp5 = add i32 %tmp3, %tmp4
%tmp6 = add i32 %tmp1, %tmp5
%tmp7 = add i32 %tmp6, %tmp0
ret i32 %tmp7
}