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| author | Chris Lattner <sabre@nondot.org> | 2003-12-08 23:41:09 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-12-08 23:41:09 +0000 |
| commit | 6c3a21a368530d2edfe514954d23ba9c1abddbc2 (patch) | |
| tree | ce4d54be6bb0e9c5c1a015f4cca096353e61efd5 /test/Transforms/TailCallElim | |
| parent | cf2f89251d45bc9783917874adb9029f71d50068 (diff) | |
| download | llvm-6c3a21a368530d2edfe514954d23ba9c1abddbc2.tar.gz llvm-6c3a21a368530d2edfe514954d23ba9c1abddbc2.tar.bz2 llvm-6c3a21a368530d2edfe514954d23ba9c1abddbc2.tar.xz | |
Whoops, forgot to check this in. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10334 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/TailCallElim')
| -rw-r--r-- | test/Transforms/TailCallElim/accum_recursion_constant_arg.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/TailCallElim/accum_recursion_constant_arg.ll b/test/Transforms/TailCallElim/accum_recursion_constant_arg.ll new file mode 100644 index 0000000000..6bc6469f34 --- /dev/null +++ b/test/Transforms/TailCallElim/accum_recursion_constant_arg.ll @@ -0,0 +1,22 @@ +; This is a more aggressive form of accumulator recursion insertion, which +; requires noticing that X doesn't change as we perform the tailcall. Thanks +; go out to the anonymous users of the demo script for "suggesting" +; optimizations that should be done. :) + +; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | not grep call + +int %mul(int %x, int %y) { +entry: + %tmp.1 = seteq int %y, 0 + br bool %tmp.1, label %return, label %endif + +endif: + %tmp.8 = add int %y, -1 + %tmp.5 = call int %mul( int %x, int %tmp.8 ) + %tmp.9 = add int %tmp.5, %x + ret int %tmp.9 + +return: + ret int %x +} + |