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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6854 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-06-22 20:32:35 +00:00
parent 5e11fd3965
commit 578aa74541
2 changed files with 42 additions and 0 deletions
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20
test/Transforms/TailDup/PHIUpdateTest.ll Normal file
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; This test checks to make sure phi nodes are updated properly
;
; RUN: as < %s | opt -tailduplicate -disable-output
int %test(bool %c, int %X, int %Y) {
br label %L
L:
%A = add int %X, %Y
br bool %c, label %T, label %F
F:
br bool %c, label %L, label %T
T:
%V = phi int [%A, %L], [0, %F]
ret int %V
}

22
test/Transforms/TailDup/basictest.ll Normal file
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; RUN: as < %s | opt -tailduplicate -disable-output
declare void %__main()
int %main() {
entry: ; No predecessors!
call void %__main( )
br label %loopentry
loopentry: ; preds = %entry, %no_exit
%i.0 = phi int [ %inc, %no_exit ], [ 0, %entry ] ; <int> [#uses=2]
%tmp.1 = setle int %i.0, 99 ; <bool> [#uses=1]
br bool %tmp.1, label %no_exit, label %return
no_exit: ; preds = %loopentry
%tmp.51 = call int %main( ) ; <int> [#uses=0]
%inc = add int %i.0, 1 ; <int> [#uses=1]
br label %loopentry
return: ; preds = %loopentry
ret int %i.0
}