From e21815f41b9deda5fa931606ab90aeca33a80ca2 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Wed, 26 Nov 2008 22:42:19 +0000
Subject: [PATCH] Add x86-specific test for add-with-overflow intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60125 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/add-with-overflow.ll | 41 +++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 test/CodeGen/X86/add-with-overflow.ll

diff --git a/test/CodeGen/X86/add-with-overflow.ll b/test/CodeGen/X86/add-with-overflow.ll
new file mode 100644
index 00000000000..8fab46cd629
--- /dev/null
+++ b/test/CodeGen/X86/add-with-overflow.ll
@@ -0,0 +1,41 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep {jo} | count 1
+; RUN: llvm-as < %s | llc -march=x86 | grep {jc} | count 1
+
+@ok = internal constant [4 x i8] c"%d\0A\00"
+@no = internal constant [4 x i8] c"no\0A\00"
+
+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
+  %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
+}
+
+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)
-- 
2.34.1