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Finally I'm able to distill a testcase for a problem I'm seeing!

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llvm-svn: 4063
This commit is contained in:
Chris Lattner 2002-10-07 20:05:27 +00:00
parent 3a13076188
commit 21aba702ee
1 changed files with 24 additions and 0 deletions
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24
test/Regression/Transforms/CorrelatedExprs/2002-10-07-DominatorProblem.ll Normal file
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implementation
int %test(int %A, int %B, bool %c0) {
Start:
%c1 = seteq int %A, %B
br bool %c1, label %Eq, label %Loop
Eq: ; In this block we know that A == B
br label %Loop ; This should be modified to branch to "Forwarded".
Loop: ;; Merge point, nothing is known here...
%Z = phi int [%A, %Start], [%B, %Eq], [%Z, %Bottom]
%c2 = setgt int %A, %B
br bool %c2, label %Forwarded, label %Bottom
Forwarded:
call int %test(int 0, int %Z, bool true)
br label %Bottom
Bottom:
br label %Loop
}