From 3277b69d734b9c90b44ebde4ede005717e2c3b2e Mon Sep 17 00:00:00 2001 From: ed Date: Tue, 2 Jun 2009 17:52:33 +0000 Subject: Import LLVM, at r72732. --- test/CodeGen/Generic/add-with-overflow-24.ll | 42 ++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 test/CodeGen/Generic/add-with-overflow-24.ll (limited to 'test/CodeGen/Generic/add-with-overflow-24.ll') diff --git a/test/CodeGen/Generic/add-with-overflow-24.ll b/test/CodeGen/Generic/add-with-overflow-24.ll new file mode 100644 index 0000000..debdeb2 --- /dev/null +++ b/test/CodeGen/Generic/add-with-overflow-24.ll @@ -0,0 +1,42 @@ +; RUN: llvm-as < %s | llc + +@ok = internal constant [4 x i8] c"%d\0A\00" +@no = internal constant [4 x i8] c"no\0A\00" + +define i1 @func1(i24 signext %v1, i24 signext %v2) nounwind { +entry: + %t = call {i24, i1} @llvm.sadd.with.overflow.i24(i24 %v1, i24 %v2) + %sum = extractvalue {i24, i1} %t, 0 + %sum32 = sext i24 %sum to i32 + %obit = extractvalue {i24, 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 %sum32 ) 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(i24 zeroext %v1, i24 zeroext %v2) nounwind { +entry: + %t = call {i24, i1} @llvm.uadd.with.overflow.i24(i24 %v1, i24 %v2) + %sum = extractvalue {i24, i1} %t, 0 + %sum32 = zext i24 %sum to i32 + %obit = extractvalue {i24, 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 %sum32 ) 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 {i24, i1} @llvm.sadd.with.overflow.i24(i24, i24) +declare {i24, i1} @llvm.uadd.with.overflow.i24(i24, i24) -- cgit v1.1