llvm-6502/test/Transforms/TailCallElim/dont-tce-tail-marked-call.ll
Chris Lattner 8cc70cbea4 New testcases for PR615
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22689 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-07 04:25:39 +00:00

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376 B
LLVM

; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | grep 'call int %foo'
declare void %bar(int*)
int %foo(uint %N) {
%A = alloca int, uint %N ;; Should stay in entry block because of 'tail' marker
store int 17, int* %A
call void %bar(int* %A)
%X = tail call int %foo(uint %N) ;; Cannot -tailcallelim this without increasing stack usage!
ret int %X
}