New testcases for bug in globaldce

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2955 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GlobalDCE/2002-07-17-ConstantRef.ll b/test/Transforms/GlobalDCE/2002-07-17-ConstantRef.ll
new file mode 100644 (file)
index 0000000..e7830f5
--- /dev/null
+++ b/test/Transforms/GlobalDCE/2002-07-17-ConstantRef.ll
@@ -0,0 +1,12 @@
+; RUN: as < %s | opt -globaldce
+;
+%X = global void() * %func
+implementation
+
+internal void %func() {  ; Not dead, can be reachable via X
+  ret void
+}
+
+void %main() {
+       ret void
+}

diff --git a/test/Transforms/GlobalDCE/Makefile b/test/Transforms/GlobalDCE/Makefile
new file mode 100644 (file)
index 0000000..91acd4d
--- /dev/null
+++ b/test/Transforms/GlobalDCE/Makefile
@@ -0,0 +1,10 @@
+
+LEVEL = ../../../..
+include $(LEVEL)/test/Makefile.tests
+
+TESTS := $(wildcard *.ll)
+
+all:: $(addprefix Output/, $(TESTS:%.ll=%.ll.out))
+
+Output/%.ll.out: %.ll Output/.dir $(LOPT)
+       -$(TESTRUNR) $<