For PR950:

Add a test for a regression in combining of ICmp instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32358 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/InstCombine/2006-12-08-ICmp-Combining.ll

@@ -0,0 +1,16 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | grep '%bothcond ='
+bool %Doit_bb(int %i.0) {
+bb:             ; preds = %newFuncRoot
+        %tmp = setgt int %i.0, 0             ; <bool> [#uses=1]
+        %tmp.not = xor bool %tmp, true          ; <bool> [#uses=1]
+        %tmp2 = setgt int %i.0, 8            ; <bool> [#uses=1]
+        %bothcond = or bool %tmp.not, %tmp2             ; <bool> [#uses=1]
+        br bool %bothcond, label %exitTrue, label %exitFalse
+
+exitTrue:             ; preds = %bb
+        ret bool true
+
+exitFalse:            ; preds = %bb
+        ret bool false
+
+}