aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2002-05-07 20:32:19 +0000
committerChris Lattner <sabre@nondot.org>2002-05-07 20:32:19 +0000
commit1610df20bf7d3a26ed405196e3b636aeb9eabf15 (patch)
treeda8bdf37979f58e6772105f33fb43d36caedf41e
parent0a1581bfa897183157b891b4b514e5186e06ca45 (diff)
Add check that phi nodes get constant propogated away
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2541 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--test/Transforms/ConstProp/phi.ll18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/ConstProp/phi.ll b/test/Transforms/ConstProp/phi.ll
new file mode 100644
index 0000000000..064b681c5c
--- /dev/null
+++ b/test/Transforms/ConstProp/phi.ll
@@ -0,0 +1,18 @@
+; This is a basic sanity check for constant propogation. The add instruction
+; should be eliminated.
+
+; RUN: if as < %s | opt -constprop -die | dis | grep phi
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+int "test"(bool %B)
+begin
+BB0:
+ br bool %B, label %BB1, label %BB3
+BB1:
+ br label %BB3
+BB3:
+ %Ret = phi int [1, %BB0], [1, %BB1]
+ ret int %Ret
+end