This testcase is a sanity check

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2459 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/ConstProp/basictest.ll b/test/Transforms/ConstProp/basictest.ll
new file mode 100644 (file)
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--- /dev/null
+++ b/test/Transforms/ConstProp/basictest.ll
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+; This is a basic sanity check for constant propogation.  The add instruction 
+; should be eliminated.
+
+; RUN: if as < %s | opt -constprop | dis | grep add
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+int "test"(bool %B)
+begin
+       br bool %B, label %BB1, label %BB2
+BB1:
+       %Val = add int 0, 0
+       br label %BB3
+BB2:
+       br label %BB3
+BB3:
+       %Ret = phi int [%Val, %BB1], [1, %BB2]
+       ret int %Ret
+end