New testcase:

  Turn "if (A < B && B < C)" into "if (A < B & B < C)"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13310 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/SimplifyCFG/branch-cond-merge.ll b/test/Transforms/SimplifyCFG/branch-cond-merge.ll
new file mode 100644 (file)
index 0000000..55cf4b8
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/branch-cond-merge.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | opt -simplifycfg -instcombine -simplifycfg | llvm-dis | not grep call
+
+declare void %bar()
+
+void %test(int %X, int %Y) {
+entry:
+        %tmp.2 = setne int %X, %Y
+        br bool %tmp.2, label %shortcirc_next, label %UnifiedReturnBlock
+
+shortcirc_next:
+        %tmp.3 = setne int %X, %Y
+        br bool %tmp.3, label %UnifiedReturnBlock, label %then
+
+then:
+        call void %bar( )
+        ret void
+
+UnifiedReturnBlock:             ; preds = %entry, %shortcirc_next
+       ret void
+}
+