Testcases for rev 250 of InstructionCombining.cpp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16522 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/shift.ll b/test/Transforms/InstCombine/shift.ll
index 5fae18f..12bc2cd 100644 (file)
--- a/test/Transforms/InstCombine/shift.ll
+++ b/test/Transforms/InstCombine/shift.ll
@@ -115,3 +115,33 @@ bool %test16(int %X) {
         %tmp.7 = setne int %tmp.6, 0  ;; X & 16 != 0
         ret bool %tmp.7
 }
+
+bool %test17(uint %A) {
+       %B = shr uint %A, ubyte 3
+       %C = seteq uint %B, 1234
+       ret bool %C
+}
+
+bool %test18(ubyte %A) {
+       %B = shr ubyte %A, ubyte 7
+       %C = seteq ubyte %B, 123    ;; false
+       ret bool %C
+}
+
+bool %test19(int %A) {
+       %B = shr int %A, ubyte 2
+       %C = seteq int %B, 0        ;; (X & -4) == 0
+       ret bool %C
+}
+
+bool %test19a(int %A) {
+       %B = shr int %A, ubyte 2
+       %C = seteq int %B, -1        ;; (X & -4) == -4
+       ret bool %C
+}
+
+bool %test20(sbyte %A) {
+       %B = shr sbyte %A, ubyte 7
+       %C = seteq sbyte %B, 123    ;; false
+       ret bool %C
+}