llvm-6502/test/Linker/link-global-to-func.ll
Chris Lattner d1ec48c641 implement linking of globals to functions, in one direction
(replacing a function with a global).  This is needed when building
llvm itself with LTO on darwin, because of the EXPLICIT_SYMBOL hack
in lib/system/DynamicLibrary.cpp.

Implementation of linking the other way will need to wait for a 
cleanup of LinkFunctionProtos.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53546 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-14 06:49:45 +00:00

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537 B
LLVM

; RUN: llvm-as %s -o %t1.bc -f
; RUN: echo {declare void @__eprintf(i8*, i8*, i32, i8*) noreturn define void @foo() { tail call void @__eprintf( i8* undef, i8* undef, i32 4, i8* null ) noreturn nounwind unreachable }} | llvm-as -o %t2.bc -f
; RUN: llvm-link %t2.bc %t1.bc -o - | llvm-dis | grep __eprintf
; RN: llvm-link %t1.bc %t2.bc -o - | llvm-dis | grep __eprintf
; rdar://6072702
@__eprintf = external global i8* ; <i8**> [#uses=1]
define i8* @test() {
%A = load i8** @__eprintf ; <i8*> [#uses=1]
ret i8* %A
}