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| author | Chris Lattner <sabre@nondot.org> | 2009-05-13 17:39:14 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-05-13 17:39:14 +0000 |
| commit | aab6ec49d24e8ecec766cf90954a3a58c64bf7c4 (patch) | |
| tree | d1172f014f0021a86adc76b5fc995f5bf23fce61 /test | |
| parent | ad6585b021ed88cd91a72712cbc600c903143d7c (diff) | |
| download | llvm-aab6ec49d24e8ecec766cf90954a3a58c64bf7c4.tar.gz llvm-aab6ec49d24e8ecec766cf90954a3a58c64bf7c4.tar.bz2 llvm-aab6ec49d24e8ecec766cf90954a3a58c64bf7c4.tar.xz | |
calls in nothrow functions can be marked nothrow even if the callee
is not known to be nothrow. This allows readnone/readonly functions
to be deleted even if we don't know whether the callee can throw.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71676 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/nothrow.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/nothrow.ll b/test/Transforms/InstCombine/nothrow.ll new file mode 100644 index 0000000000..fbf162a1db --- /dev/null +++ b/test/Transforms/InstCombine/nothrow.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep call +; rdar://6880732 +declare double @t1(i32) readonly + +define void @t2() nounwind { + call double @t1(i32 42) ;; dead call even though callee is not nothrow. + ret void +} |