[InstCombine] Precommit test

Author: c-rhodes

llvm/test/Transforms/InstCombine/freeze.ll

@@ -142,6 +142,17 @@ define i32 @early_freeze_test3(i32 %v1) {
   ret i32 %v4.fr
 }
 
+define i32 @early_freeze_test4(i32 %v1) {
+; CHECK-LABEL: @early_freeze_test4(
+; CHECK-NEXT:    [[V2:%.*]] = mul i32 [[V1_FR:%.*]], [[V1_FR]]
+; CHECK-NEXT:    [[V2_FR:%.*]] = freeze i32 [[V2]]
+; CHECK-NEXT:    ret i32 [[V2_FR]]
+;
+  %v2 = mul i32 %v1, %v1
+  %v2.fr = freeze i32 %v2
+  ret i32 %v2.fr
+}
+
 ; If replace all dominated uses of v to freeze(v).
 
 define void @freeze_dominated_uses_test1(i32 %v) {