Add testcase for r63142.

[oota-llvm.git] / 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
index baf577168c11022cfe8ba21a9329386db194b5d4..bfb86fd9e60a39e557b08b2dd9b164f52b71f2a4 100644 (file)
--- a/test/CodeGen/X86/add-with-overflow.ll
+++ b/test/CodeGen/X86/add-with-overflow.ll
@@ -1,7 +1,7 @@
-; RUN: llvm-as < %s | llc -march=x86 | grep {jo} | count 1
-; RUN: llvm-as < %s | llc -march=x86 | grep {jc} | count 1
-; RUN: llvm-as < %s | llc -march=x86 -fast | grep {jo} | count 1
-; RUN: llvm-as < %s | llc -march=x86 -fast | grep {jc} | count 1
+; RUN: llvm-as < %s | llc -march=x86 | grep {jo} | count 2
+; RUN: llvm-as < %s | llc -march=x86 | grep {jb} | count 2
+; RUN: llvm-as < %s | llc -march=x86 -fast | grep {jo} | count 2
+; RUN: llvm-as < %s | llc -march=x86 -fast | grep {jb} | count 2
 
 @ok = internal constant [4 x i8] c"%d\0A\00"
 @no = internal constant [4 x i8] c"no\0A\00"
@@ -38,6 +38,38 @@ carry:
   ret i1 false
 }
 
+define i1 @func3() nounwind {
+entry:
+  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 0, i32 0)
+  %sum = extractvalue {i32, i1} %t, 0
+  %obit = extractvalue {i32, i1} %t, 1
+  br i1 %obit, label %carry, 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
+
+carry:
+  %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind
+  ret i1 false
+}
+
+define i1 @func4() nounwind {
+entry:
+  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 0, i32 0)
+  %sum = extractvalue {i32, i1} %t, 0
+  %obit = extractvalue {i32, i1} %t, 1
+  br i1 %obit, label %carry, 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
+
+carry:
+  %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)