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| author | Nadav Rotem <nrotem@apple.com> | 2013-02-19 20:02:09 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-02-19 20:02:09 +0000 |
| commit | 03544ec2a43fab162d25cf44627d1d08430bcccd (patch) | |
| tree | f2fba81aeee9fe84179a7af0dbdfcfe078b2e8f8 /test/Transforms/FunctionAttrs | |
| parent | a175396816a9b28835acfe2cd07250881f1fee6c (diff) | |
| download | llvm-03544ec2a43fab162d25cf44627d1d08430bcccd.tar.gz llvm-03544ec2a43fab162d25cf44627d1d08430bcccd.tar.bz2 llvm-03544ec2a43fab162d25cf44627d1d08430bcccd.tar.xz | |
Fix a bug in mayHaveSideEffects. Functions that do not return are now considered as instructions with side effects.
rdar://13227456
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175553 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/FunctionAttrs')
| -rw-r--r-- | test/Transforms/FunctionAttrs/noreturn.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/FunctionAttrs/noreturn.ll b/test/Transforms/FunctionAttrs/noreturn.ll new file mode 100644 index 0000000000..470ebcb1d3 --- /dev/null +++ b/test/Transforms/FunctionAttrs/noreturn.ll @@ -0,0 +1,18 @@ +; RUN: opt < %s -functionattrs -instcombine -S | FileCheck %s + +define void @endless_loop() noreturn nounwind readnone ssp uwtable { +entry: + br label %while.body + +while.body: + br label %while.body +} +;CHECK: @main +;CHECK: endless_loop +;CHECK: ret +define i32 @main() noreturn nounwind ssp uwtable { +entry: + tail call void @endless_loop() + unreachable +} + |