Add a new testcase for X/-1, fix bug that prevented tests from running right

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13171 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/div.ll b/test/Transforms/InstCombine/div.ll
index 01fcf7f9dcdd1ebf44e930a47d7e07213cf77a2d..52511a7943ce838216e8b785f55bfe78bd3bc75e 100644 (file)
--- a/test/Transforms/InstCombine/div.ll
+++ b/test/Transforms/InstCombine/div.ll
@@ -12,10 +12,15 @@ int %test1(int %A) {
 
 uint %test2(uint %A) {
        %B = div uint %A, 8   ; => Shift
-       ret int %B
+       ret uint %B
 }
 
 int %test3(int %A) {
        %B = div int 0, %A    ; => 0, don't need to keep traps
        ret int %B
 }
+
+int %test4(int %A) {
+       %B = div int %A, -1    ; 0-A
+       ret int %B
+}