Add support for llvm.uadd.with.overflow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59926 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Generic/add-with-overflow.ll b/test/CodeGen/Generic/add-with-overflow.ll
index d23b75c..e6ad7bb 100644
--- a/test/CodeGen/Generic/add-with-overflow.ll
+++ b/test/CodeGen/Generic/add-with-overflow.ll
@@ -3,7 +3,7 @@
@ok = internal constant [4 x i8] c"%d\0A\00"
@no = internal constant [4 x i8] c"no\0A\00"
-define i1 @foo(i32 %v1, i32 %v2) nounwind {
+define i1 @func1(i32 %v1, i32 %v2) nounwind {
entry:
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
%sum = extractvalue {i32, i1} %t, 0
@@ -19,5 +19,22 @@
ret i1 false
}
+define i1 @func2(i32 %v1, i32 %v2) nounwind {
+entry:
+ %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
+ %sum = extractvalue {i32, i1} %t, 0
+ %obit = extractvalue {i32, i1} %t, 1
+ br i1 %obit, label %overflow, label %normal
+
+normal:
+ %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
+ ret i1 true
+
+overflow:
+ %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind
+ ret i1 false
+}
+
declare i32 @printf(i8*, ...) nounwind
declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
+declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32)