1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/switch-or.ll b/test/CodeGen/X86/switch-or.ll
new file mode 100644
index 0000000..75832c7
--- /dev/null
+++ b/test/CodeGen/X86/switch-or.ll
@@ -0,0 +1,22 @@
+; RUN: llc -march=x86 -asm-verbose=false < %s | FileCheck %s
+
+; Check that merging switch cases that differ in one bit works.
+; CHECK: orl $2
+; CHECK-NEXT: cmpl $6
+
+define void @foo(i32 %variable) nounwind {
+entry:
+  switch i32 %variable, label %if.end [
+    i32 4, label %if.then
+    i32 6, label %if.then
+  ]
+
+if.then:
+  %call = tail call i32 (...)* @bar() nounwind
+  ret void
+
+if.end:
+  ret void
+}
+
+declare i32 @bar(...) nounwind