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llvm-mirror/test/MC/COFF/global_ctors_dtors.ll
David Blaikie 3ea2df7c7b [opaque pointer type] Add textual IR support for explicit type parameter to gep operator
Similar to gep (r230786) and load (r230794) changes.

Similar migration script can be used to update test cases, which
successfully migrated all of LLVM and Polly, but about 4 test cases
needed manually changes in Clang.

(this script will read the contents of stdin and massage it into stdout
- wrap it in the 'apply.sh' script shown in previous commits + xargs to
apply it over a large set of test cases)

import fileinput
import sys
import re

rep = re.compile(r"(getelementptr(?:\s+inbounds)?\s*\()((<\d*\s+x\s+)?([^@]*?)(|\s*addrspace\(\d+\))\s*\*(?(3)>)\s*)(?=$|%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|zeroinitializer|<|\[\[[a-zA-Z]|\{\{)", re.MULTILINE | re.DOTALL)

def conv(match):
  line = match.group(1)
  line += match.group(4)
  line += ", "
  line += match.group(2)
  return line

line = sys.stdin.read()
off = 0
for match in re.finditer(rep, line):
  sys.stdout.write(line[off:match.start()])
  sys.stdout.write(conv(match))
  off = match.end()
sys.stdout.write(line[off:])

llvm-svn: 232184
2015-03-13 18:20:45 +00:00

66 lines
2.2 KiB
LLVM

; Test that global ctors are emitted into the proper COFF section for the
; target. Mingw uses .ctors, whereas MSVC uses .CRT$XC*.
; RUN: llc < %s -mtriple i686-pc-win32 | FileCheck %s --check-prefix WIN32
; RUN: llc < %s -mtriple x86_64-pc-win32 | FileCheck %s --check-prefix WIN32
; RUN: llc < %s -mtriple i686-pc-mingw32 | FileCheck %s --check-prefix MINGW32
; RUN: llc < %s -mtriple x86_64-pc-mingw32 | FileCheck %s --check-prefix MINGW32
@.str = private unnamed_addr constant [13 x i8] c"constructing\00", align 1
@.str2 = private unnamed_addr constant [12 x i8] c"destructing\00", align 1
@.str3 = private unnamed_addr constant [5 x i8] c"main\00", align 1
%ini = type { i32, void()*, i8* }
@llvm.global_ctors = appending global [3 x %ini ] [
%ini { i32 65535, void ()* @a_global_ctor, i8* null },
%ini { i32 65535, void ()* @b_global_ctor, i8* bitcast (i32* @b to i8*) },
%ini { i32 65535, void ()* @c_global_ctor, i8* bitcast (i32* @c to i8*) }
]
@llvm.global_dtors = appending global [1 x %ini ] [%ini { i32 65535, void ()* @a_global_dtor, i8* null }]
declare i32 @puts(i8*)
define void @a_global_ctor() nounwind {
%1 = call i32 @puts(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i32 0, i32 0))
ret void
}
@b = global i32 zeroinitializer
@c = available_externally dllimport global i32 zeroinitializer
define void @b_global_ctor() nounwind {
store i32 42, i32* @b
ret void
}
define void @c_global_ctor() nounwind {
store i32 42, i32* @c
ret void
}
define void @a_global_dtor() nounwind {
%1 = call i32 @puts(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str2, i32 0, i32 0))
ret void
}
define i32 @main() nounwind {
%1 = call i32 @puts(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str3, i32 0, i32 0))
ret i32 0
}
; WIN32: .section .CRT$XCU,"dr"
; WIN32: a_global_ctor
; WIN32: .section .CRT$XCU,"dr",associative,{{_?}}b
; WIN32: b_global_ctor
; WIN32-NOT: c_global_ctor
; WIN32: .section .CRT$XTX,"dr"
; WIN32: a_global_dtor
; MINGW32: .section .ctors,"dw"
; MINGW32: a_global_ctor
; MINGW32: .section .ctors,"dw",associative,{{_?}}b
; MINGW32: b_global_ctor
; MINGW32-NOT: c_global_ctor
; MINGW32: .section .dtors,"dw"
; MINGW32: a_global_dtor