forked from OSchip/llvm-project
31 lines
891 B
LLVM
31 lines
891 B
LLVM
|
; RUN: opt -S -mergefunc < %s | FileCheck %s
|
||
|
|
|
||
|
|
; Replacments should be totally ordered on the function name.
|
||
|
|
; If we don't do this we can end up with one module defining a thunk for @funA
|
||
|
|
; and another module defining a thunk for @funB.
|
||
|
|
;
|
||
|
|
; The problem with this is that the linker could then choose these two stubs
|
||
|
|
; each of the two modules and we end up with two stubs calling each other.
|
||
|
|
|
||
|
|
; CHECK-LABEL: define linkonce_odr i32 @funA
|
||
|
|
; CHECK-NEXT: add
|
||
|
|
; CHECK: ret
|
||
|
|
|
||
|
|
; CHECK-LABEL: define linkonce_odr i32 @funB
|
||
|
|
; CHECK-NEXT: tail call i32 @funA(i32 %0, i32 %1)
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
|
||
|
|
define linkonce_odr i32 @funB(i32 %x, i32 %y) {
|
||
|
|
%sum = add i32 %x, %y
|
||
|
|
%sum2 = add i32 %x, %sum
|
||
|
|
%sum3 = add i32 %x, %sum2
|
||
|
|
ret i32 %sum3
|
||
|
|
}
|
||
|
|
|
||
|
|
define linkonce_odr i32 @funA(i32 %x, i32 %y) {
|
||
|
|
%sum = add i32 %x, %y
|
||
|
|
%sum2 = add i32 %x, %sum
|
||
|
|
%sum3 = add i32 %x, %sum2
|
||
|
|
ret i32 %sum3
|
||
|
|
}
|