Add tests for casts that should be eliminated

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11741 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll
index 53e2c2e25de02d50df504f4fd7d656721cd6e7e5..be9f6085a47e70a0b977fad0ad7f673db48f2b84 100644 (file)
--- a/test/Transforms/InstCombine/cast.ll
+++ b/test/Transforms/InstCombine/cast.ll
@@ -82,8 +82,20 @@ int* %test12() {
        ret int* %c
 }
 
-
 ubyte *%test13(long %A) {
        %c = getelementptr [0 x ubyte]* cast ([32832 x ubyte]*  %inbuf to [0 x ubyte]*), long 0, long %A
        ret ubyte* %c
 }
+
+bool %test14(sbyte %A) {
+        %B = cast sbyte %A to ubyte
+        %X = setlt ubyte %B, 128   ; setge %A, 0
+        ret bool %X
+}
+
+bool %test15(ubyte %A) {
+        %B = cast ubyte %A to sbyte
+        %X = setlt sbyte %B, 0   ; setgt %A, 127
+        ret bool %X
+}
+