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| author | Chris Lattner <sabre@nondot.org> | 2004-03-19 06:07:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-03-19 06:07:43 +0000 |
| commit | f3fbddd3336660b4679e5a4da4129a6d56fd7c0a (patch) | |
| tree | fe5da22d549f74b44f19658322e169d55cf75c2f /test/Transforms/InstCombine/alloca.ll | |
| parent | 76cddb08cb1add9ab70c5aa59c6f1d3960a2a974 (diff) | |
| download | llvm-f3fbddd3336660b4679e5a4da4129a6d56fd7c0a.tar.gz llvm-f3fbddd3336660b4679e5a4da4129a6d56fd7c0a.tar.bz2 llvm-f3fbddd3336660b4679e5a4da4129a6d56fd7c0a.tar.xz | |
New testcase, the optimizer can delete zero sized allocas
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12506 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/alloca.ll')
| -rw-r--r-- | test/Transforms/InstCombine/alloca.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/alloca.ll b/test/Transforms/InstCombine/alloca.ll new file mode 100644 index 0000000000..23a52c328d --- /dev/null +++ b/test/Transforms/InstCombine/alloca.ll @@ -0,0 +1,14 @@ +; Zero byte allocas should be deleted. + +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep alloca + +declare void %use(...) +void %test() { + %X = alloca [0 x int] + call void(...)* %use([0 x int] *%X) + %Y = alloca int, uint 0 + call void(...)* %use(int* %Y) + %Z = alloca {} + call void(...)* %use({}* %Z) + ret void +} |