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| author | Chris Lattner <sabre@nondot.org> | 2006-01-13 19:35:05 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-01-13 19:35:05 +0000 |
| commit | f0638c5f710996d355f91866179bd49fa991750f (patch) | |
| tree | 353f4d1f5b3e8de4f14f0b7518cbdc35223a1369 /test/Transforms/Inline/dynamic_alloca_test.ll | |
| parent | bf229f488a7541abd979cc3fbe9c3ce1c100e5c0 (diff) | |
| download | llvm-f0638c5f710996d355f91866179bd49fa991750f.tar.gz llvm-f0638c5f710996d355f91866179bd49fa991750f.tar.bz2 llvm-f0638c5f710996d355f91866179bd49fa991750f.tar.xz | |
New testcase that functions with dynamic allocas can be inlined, and are
inlined correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25287 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/Inline/dynamic_alloca_test.ll')
| -rw-r--r-- | test/Transforms/Inline/dynamic_alloca_test.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/Inline/dynamic_alloca_test.ll b/test/Transforms/Inline/dynamic_alloca_test.ll new file mode 100644 index 0000000000..27c7d717a1 --- /dev/null +++ b/test/Transforms/Inline/dynamic_alloca_test.ll @@ -0,0 +1,28 @@ +; Test that functions with dynamic allocas get inlined in a case where +; naively inlining it would result in a miscompilation. + +; RUN: llvm-as < %s | opt -inline && +; RUN: llvm-as < %s | opt -inline | llvm-dis | grep llvm.stacksave && +; RUN: llvm-as < %s | opt -inline | llvm-dis | not grep callee + +declare void %ext(int*) +implementation + +internal void %callee(uint %N) { + %P = alloca int, uint %N ;; dynamic alloca + call void %ext(int* %P) + ret void +} + +void %foo(uint %N) { + br label %Loop +Loop: + %count = phi uint [0, %0], [%next, %Loop] + %next = add uint %count, 1 + call void %callee(uint %N) + %cond = seteq uint %count, 100000 + br bool %cond, label %out, label %Loop +out: + ret void +} + |