Add tests for existing InstSimplify features.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143721 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstSimplify/undef.ll b/test/Transforms/InstSimplify/undef.ll
index 9f5a1e8..23cd50f 100644 (file)
--- a/test/Transforms/InstSimplify/undef.ll
+++ b/test/Transforms/InstSimplify/undef.ll
@@ -84,6 +84,13 @@ define i64 @test11() {
   ret i64 %r
 }
 
+; @test11b
+; CHECK: ret i64 undef
+define i64 @test11b(i64 %a) {
+  %r = shl i64 %a, undef
+  ret i64 %r
+}
+
 ; @test12
 ; CHECK: ret i64 undef
 define i64 @test12() {
@@ -91,6 +98,13 @@ define i64 @test12() {
   ret i64 %r
 }
 
+; @test12b
+; CHECK: ret i64 undef
+define i64 @test12b(i64 %a) {
+  %r = ashr i64 %a, undef
+  ret i64 %r
+}
+
 ; @test13
 ; CHECK: ret i64 undef
 define i64 @test13() {
@@ -98,6 +112,13 @@ define i64 @test13() {
   ret i64 %r
 }
 
+; @test13b
+; CHECK: ret i64 undef
+define i64 @test13b(i64 %a) {
+  %r = lshr i64 %a, undef
+  ret i64 %r
+}
+
 ; @test14
 ; CHECK: ret i1 undef
 define i1 @test14() {