instcombine doesn't do CSE, simplify unrelated detail

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34867 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/bswap.ll b/test/Transforms/InstCombine/bswap.ll
index 5eed8b372277fefb2f29636dc44a5cb1e469abed..da2354e96ee7cf4e9b1a462563c668ff9eaaf5d0 100644 (file)
--- a/test/Transforms/InstCombine/bswap.ll
+++ b/test/Transforms/InstCombine/bswap.ll
@@ -48,8 +48,7 @@ ushort %test5(ushort %a) {
         %tmp1 = and int %tmp, 65280
         %tmp2 = ashr int %tmp1, ubyte 8
         %tmp2 = trunc int %tmp2 to short
-        %tmp3 = zext ushort %a to int
-        %tmp4 = and int %tmp3, 255
+        %tmp4 = and int %tmp, 255
         %tmp5 = shl int %tmp4, ubyte 8
         %tmp5 = trunc int %tmp5 to short
         %tmp = or short %tmp2, %tmp5