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| -rw-r--r-- | test/CodeGen/ARM/jumptable-label.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/jumptable-label.ll b/test/CodeGen/ARM/jumptable-label.ll new file mode 100644 index 0000000000..49d698672f --- /dev/null +++ b/test/CodeGen/ARM/jumptable-label.ll @@ -0,0 +1,33 @@ +; 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 +} |