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New testcase for automatic insertion of accumulator variables to eliminate

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tail recursion


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10331 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-12-08 23:16:25 +00:00
parent 1b9ce47603
commit 62d0f73300
1 changed files with 17 additions and 0 deletions
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17
test/Transforms/TailCallElim/accum_recursion.ll Normal file
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; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | not grep call
int %factorial(int %x) {
entry:
%tmp.1 = setgt int %x, 0
br bool %tmp.1, label %then, label %else
then:
%tmp.6 = add int %x, -1
%tmp.4 = call int %factorial( int %tmp.6 )
%tmp.7 = mul int %tmp.4, %x
ret int %tmp.7
else:
ret int 1
}