Testcase for previous commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133089 91177308-0d34-0410-b5e6-96231b3b80d8
m-labs · Jun 15, 2011 · cff6193 · cff6193
1 parent b53c793
commit cff6193
Showing 1 changed file with 33 additions and 0 deletions.
diff --git a/test/CodeGen/ARM/jumptable-label.ll b/test/CodeGen/ARM/jumptable-label.ll
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+; RUN: llc < %s -mtriple thumbv6-apple-macosx10.6.0 | FileCheck %s
+
+; test that we print the label of a bb that is only used in a jump table.
+
+; CHECK:	.long	LBB0_2
+; CHECK: LBB0_2:
+
+define i32 @calculate()  {
+entry:
+  switch i32 undef, label %return [
+    i32 1, label %sw.bb
+    i32 2, label %sw.bb6
+    i32 3, label %sw.bb13
+    i32 4, label %sw.bb20
+  ]
+
+sw.bb:                                            ; preds = %entry
+  br label %return
+
+sw.bb6:                                           ; preds = %entry
+  br label %return
+
+sw.bb13:                                          ; preds = %entry
+  br label %return
+
+sw.bb20:                                          ; preds = %entry
+  %div = sdiv i32 undef, undef
+  br label %return
+
+return:                                           ; preds = %sw.bb20, %sw.bb13, %sw.bb6, %sw.bb, %entry
+  %retval.0 = phi i32 [ %div, %sw.bb20 ], [ undef, %sw.bb13 ], [ undef, %sw.bb6 ], [ undef, %sw.bb ], [ 0, %entry ]
+  ret i32 %retval.0
+}