diff options
Diffstat (limited to 'test/Transforms/TailCallElim/accum_recursion.ll')
| -rw-r--r-- | test/Transforms/TailCallElim/accum_recursion.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/TailCallElim/accum_recursion.ll b/test/Transforms/TailCallElim/accum_recursion.ll new file mode 100644 index 0000000..d82d963 --- /dev/null +++ b/test/Transforms/TailCallElim/accum_recursion.ll @@ -0,0 +1,17 @@ +; RUN: llvm-upgrade < %s | llvm-as | 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 +} + |