[InstCombine] add test for PR32524; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299846 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/or.ll b/test/Transforms/InstCombine/or.ll
index be1e8e6d4a9513e91ab642e370f03b36fd1032fa..2ac6f5b110472ea763337d7e880a794f6cc283dd 100644 (file)
--- a/test/Transforms/InstCombine/or.ll
+++ b/test/Transforms/InstCombine/or.ll
@@ -215,11 +215,25 @@ define i1 @test19(i32 %A) {
 ;
   %B = icmp eq i32 %A, 50
   %C = icmp eq i32 %A, 51
-  ;; (A&-2) == 50
   %D = or i1 %B, %C
   ret i1 %D
 }
 
+; PR32524: https://bugs.llvm.org/show_bug.cgi?id=32524
+
+define i1 @or_icmps_eq_diff1(i32 %x) {
+; CHECK-LABEL: @or_icmps_eq_diff1(
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 %x, -1
+; CHECK-NEXT:    [[CMP2:%.*]] = icmp eq i32 %x, 0
+; CHECK-NEXT:    [[LOGIC:%.*]] = or i1 [[CMP1]], [[CMP2]]
+; CHECK-NEXT:    ret i1 [[LOGIC]]
+;
+  %cmp1 = icmp eq i32 %x, -1
+  %cmp2 = icmp eq i32 %x, 0
+  %logic = or i1 %cmp1, %cmp2
+  ret i1 %logic
+}
+
 define i32 @test20(i32 %x) {
 ; CHECK-LABEL: @test20(
 ; CHECK-NEXT:    ret i32 %x