[llvm] r235473 - Linker: Add flag to override linkage rules

[Duncan P. N. Exon Smith]

> On 2015-Apr-22, at 14:56, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
> 
>> Added: llvm/trunk/test/Linker/override-with-internal-linkage.ll
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Linker/override-with-internal-linkage.ll?rev=235473&view=auto
>> ==============================================================================
>> --- llvm/trunk/test/Linker/override-with-internal-linkage.ll (added)
>> +++ llvm/trunk/test/Linker/override-with-internal-linkage.ll Tue Apr 21 23:11:00 2015
>> @@ -0,0 +1,23 @@
>> +; RUN: llvm-link %s -override %S/Inputs/override-with-internal-linkage.ll -S | FileCheck %s
>> +; RUN: llvm-link -override %S/Inputs/override-with-internal-linkage.ll %s -S | FileCheck %s
>> +
>> +; CHECK-LABEL: define internal i32 @foo2
>> +; CHECK-NEXT: entry:
>> +; CHECK-NEXT: %add = add nsw i32 %i, %i
>> +; CHECK-NEXT: ret i32 %add
>> +
>> +; CHECK-LABEL: define i32 @foo
>> +; CHECK-NEXT: entry:
>> +; CHECK-NEXT: ret i32 4
>> +define internal i32 @foo(i32 %i) {
>> +entry:
>> +  %add = add nsw i32 %i, %i
>> +  ret i32 %add
>> +}
>> +
>> +; Function Attrs: nounwind ssp uwtable
>> +define i32 @main(i32 %argc, i8** %argv) {
>> +entry:
>> +  %a = call i32 @foo(i32 2)
>> +  ret i32 %a
>> +}
>> 
> 
> Maybe CHECK which function main is calling?

Good idea.  r235730.

> 
> Cheers,
> Rafael