diff options
| author | Chris Lattner <sabre@nondot.org> | 2007-09-10 20:58:55 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-09-10 20:58:55 +0000 |
| commit | c75cbe6473d7be8c6eab57c1652394fbc57d9dd3 (patch) | |
| tree | 070911b8bae70a0d9f39879671cbd961cd647ecb /llvm/test/Transforms/TailCallElim/inf-recursion.ll | |
| parent | acb1e7478f470e55851250348bdff2ae5e5330ba (diff) | |
| download | bcm5719-llvm-c75cbe6473d7be8c6eab57c1652394fbc57d9dd3.tar.gz bcm5719-llvm-c75cbe6473d7be8c6eab57c1652394fbc57d9dd3.zip | |
Prevent tailcallelim from breaking "recursive" calls to builtins.
llvm-svn: 41804
Diffstat (limited to 'llvm/test/Transforms/TailCallElim/inf-recursion.ll')
| -rw-r--r-- | llvm/test/Transforms/TailCallElim/inf-recursion.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/Transforms/TailCallElim/inf-recursion.ll b/llvm/test/Transforms/TailCallElim/inf-recursion.ll new file mode 100644 index 00000000000..d3461719b51 --- /dev/null +++ b/llvm/test/Transforms/TailCallElim/inf-recursion.ll @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | opt -tailcallelim | grep call +; Don't turn this into an infinite loop, this is probably the implementation +; of fabs and we expect the codegen to lower fabs. + +define double @fabs(double %f) { +entry: + %tmp2 = call double @fabs( double %f ) ; <double> [#uses=1] + ret double %tmp2 +} + |
