New testcase for automatic insertion of accumulator variables to eliminate
tail recursion llvm-svn: 10331
This commit is contained in:
parent
b662b064f6
commit
3c31f8c5c3
|
@ -0,0 +1,17 @@
|
|||
; 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
|
||||
}
|
||||
|
Loading…
Reference in New Issue