New testcases for verifier

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2763 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 23 insertions, 0 deletions

diff --git a/test/Verifier/AmbiguousPhi.ll b/test/Verifier/AmbiguousPhi.ll
new file mode 100644
index 0000000..7da71b0
--- /dev/null
+++ b/test/Verifier/AmbiguousPhi.ll
@@ -0,0 +1,8 @@
+
+
+int "test"(int %i, int %j, bool %c) {
+	br bool %c, label %A, label %A
+A:
+	%a = phi int [%i, %0], [%j, %0]  ; Error, different values from same block!
+	ret int %a
+}
diff --git a/test/Verifier/PhiGrouping.ll b/test/Verifier/PhiGrouping.ll
new file mode 100644
index 0000000..71fbb1c
--- /dev/null
+++ b/test/Verifier/PhiGrouping.ll
@@ -0,0 +1,15 @@
+
+
+int "test"(int %i, int %j, bool %c) {
+	br bool %c, label %A, label %B
+A:
+	br label %C
+B:
+	br label %C
+
+C:
+	%a = phi int [%i, %A], [%j, %B]
+	%x = add int %a, 0                 ; Error, PHI's should be grouped!
+	%b = phi int [%i, %A], [%j, %B]
+	ret int %x
+}