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Added functions cross-reference test.

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Originally this similar was initiated by Björn Steinbrink here:
http://reviews.llvm.org/D3437

Bug itself has been fixed by principal changes in MergeFunctions. Though
special checks for functions merging are still actual. And the test has
been accepted with slight modifications.

llvm-svn: 210486
This commit is contained in:
Stepan Dyatkovskiy 2014-06-09 19:03:02 +00:00
parent a9e2748af6
commit d55da90a63
1 changed files with 27 additions and 0 deletions
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27
test/Transforms/MergeFunc/functions.ll Normal file
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; RUN: opt -S -mergefunc < %s | FileCheck %s
; Be sure we don't merge cross-referenced functions of same type.
; CHECK-LABEL: @left
; CHECK-LABEL: entry-block
; CHECK-LABEL: call void @right(i64 %p)
define void @left(i64 %p) {
entry-block:
call void @right(i64 %p)
call void @right(i64 %p)
call void @right(i64 %p)
call void @right(i64 %p)
ret void
}
; CHECK-LABEL: @right
; CHECK-LABEL: entry-block
; CHECK-LABEL: call void @left(i64 %p)
define void @right(i64 %p) {
entry-block:
call void @left(i64 %p)
call void @left(i64 %p)
call void @left(i64 %p)
call void @left(i64 %p)
ret void
}