Initial testcases for CFG simplify (which is part of DCE for now)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2466 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/SimplifyCFG/Makefile b/test/Transforms/SimplifyCFG/Makefile
new file mode 100644 (file)
index 0000000..91acd4d
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/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) $<

diff --git a/test/Transforms/SimplifyCFG/basictest.ll b/test/Transforms/SimplifyCFG/basictest.ll
new file mode 100644 (file)
index 0000000..a63abf7
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/basictest.ll
@@ -0,0 +1,27 @@
+; Test CFG simplify removal of branch instructions...
+;
+; RUN: if as < %s | opt -dce | dis | grep br
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+
+void "test1"() {
+       br label %BB1
+BB1:
+       ret void
+}
+
+void "test2"() {
+       ret void
+BB1:
+       ret void
+}
+
+void "test3"(bool %T) {
+       br bool %T, label %BB1, label %BB1
+BB1:
+       ret void
+}
+
+