A case that instcombine is not catching.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25127 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/shift.ll b/test/Transforms/InstCombine/shift.ll
index d810e188c83f1cd9c0281dcc4b695a60c2a6aba9..4db7db977ec71d9a4bae6454261252b0b2fbbe1d 100644 (file)
--- a/test/Transforms/InstCombine/shift.ll
+++ b/test/Transforms/InstCombine/shift.ll
@@ -180,3 +180,10 @@ uint %test25(uint %tmp.2, uint %AA) {
        ret uint %tmp.6
 }
 
+int %test26(uint %A) { ;; handle casts between shifts.
+       %B = shr uint %A, ubyte 1
+       %C = cast uint %B to int
+        %D = shl int %C, ubyte 1
+       ret int %D
+}
+