1 files changed, 22 insertions, 3 deletions
diff --git a/test/Transforms/InstCombine/add2.ll b/test/Transforms/InstCombine/add2.ll
index 1cbdd3a..c5109c5 100644
--- a/test/Transforms/InstCombine/add2.ll
+++ b/test/Transforms/InstCombine/add2.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -instcombine -S | not grep add
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
 define i64 @test1(i64 %A, i32 %B) {
         %tmp12 = zext i32 %B to i64
@@ -6,19 +6,38 @@ define i64 @test1(i64 %A, i32 %B) {
         %tmp5 = add i64 %tmp3, %A
         %tmp6 = and i64 %tmp5, 123
         ret i64 %tmp6
+; CHECK: @test1
+; CHECK-NEXT: and i64 %A, 123
+; CHECK-NEXT: ret i64
 }
 
-define i32 @test3(i32 %A) {
+define i32 @test2(i32 %A) {
   %B = and i32 %A, 7
   %C = and i32 %A, 32
   %F = add i32 %B, %C
   ret i32 %F
+; CHECK: @test2
+; CHECK-NEXT: and i32 %A, 39
+; CHECK-NEXT: ret i32
 }
 
-define i32 @test4(i32 %A) {
+define i32 @test3(i32 %A) {
   %B = and i32 %A, 128
   %C = lshr i32 %A, 30
   %F = add i32 %B, %C
   ret i32 %F
+; CHECK: @test3
+; CHECK-NEXT: and
+; CHECK-NEXT: lshr
+; CHECK-NEXT: or i32 %B, %C
+; CHECK-NEXT: ret i32
+}
+
+define i32 @test4(i32 %A) {
+  %B = add nuw i32 %A, %A
+  ret i32 %B
+; CHECK: @test4
+; CHECK-NEXT: %B = shl nuw i32 %A, 1
+; CHECK-NEXT: ret i32 %B
 }