New test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36953 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopUnswitch/2007-05-09-Unreachable.ll b/test/Transforms/LoopUnswitch/2007-05-09-Unreachable.ll
new file mode 100644 (file)
index 0000000..f20f961
--- /dev/null
+++ b/test/Transforms/LoopUnswitch/2007-05-09-Unreachable.ll
@@ -0,0 +1,32 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -loop-unswitch -disable-output
+; ModuleID = 'PR1333.bc'
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
+target triple = "i686-pc-linux-gnu"
+       %struct.ada__streams__root_stream_type = type { %struct.ada__tags__dispatch_table* }
+       %struct.ada__tags__dispatch_table = type { [1 x i8*] }
+       %struct.quotes__T173s = type { i8, %struct.quotes__T173s__T174s, [2 x [1 x double]], [2 x i16], i64, i8 }
+       %struct.quotes__T173s__T174s = type { i8, i8, i8, i16, i16, [2 x [1 x double]] }
+
+void @quotes__write_quote() {
+entry:
+       %tmp606.i = icmp eq i32 0, 0            ; <i1> [#uses=1]
+       br label %bb
+
+bb:            ; preds = %cond_next73, %bb, %entry
+       br i1 false, label %bb51, label %bb
+
+bb51:          ; preds = %cond_next73, %bb
+       br i1 %tmp606.i, label %quotes__bid_ask_depth_offset_matrices__get_price.exit, label %cond_true.i
+
+cond_true.i:           ; preds = %bb51
+       unreachable
+
+quotes__bid_ask_depth_offset_matrices__get_price.exit:         ; preds = %bb51
+       br i1 false, label %cond_next73, label %cond_true72
+
+cond_true72:           ; preds = %quotes__bid_ask_depth_offset_matrices__get_price.exit
+       unreachable
+
+cond_next73:           ; preds = %quotes__bid_ask_depth_offset_matrices__get_price.exit
+       br i1 false, label %bb, label %bb51
+}