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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-07-13 17:19:57 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-07-13 17:19:57 +0000 |
| commit | 9112829d76cbb8e0c8ef51bbc2d7d1be48cd7b74 (patch) | |
| tree | 9de1c5f67a98cd0e73c60838396486c984f63ac2 /test/CodeGen/Generic/add-with-overflow-128.ll | |
| parent | 1e3dec662ea18131c495db50caccc57f77b7a5fe (diff) | |
| download | FreeBSD-src-9112829d76cbb8e0c8ef51bbc2d7d1be48cd7b74.zip FreeBSD-src-9112829d76cbb8e0c8ef51bbc2d7d1be48cd7b74.tar.gz | |
Update LLVM to r108243.
Diffstat (limited to 'test/CodeGen/Generic/add-with-overflow-128.ll')
| -rw-r--r-- | test/CodeGen/Generic/add-with-overflow-128.ll | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/add-with-overflow-128.ll b/test/CodeGen/Generic/add-with-overflow-128.ll new file mode 100644 index 0000000..c46c820 --- /dev/null +++ b/test/CodeGen/Generic/add-with-overflow-128.ll @@ -0,0 +1,42 @@ +; RUN: llc < %s + +@ok = internal constant [4 x i8] c"%d\0A\00" +@no = internal constant [4 x i8] c"no\0A\00" + +define i1 @func1(i128 signext %v1, i128 signext %v2) nounwind { +entry: + %t = call {i128, i1} @llvm.sadd.with.overflow.i128(i128 %v1, i128 %v2) + %sum = extractvalue {i128, i1} %t, 0 + %sum32 = trunc i128 %sum to i32 + %obit = extractvalue {i128, 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(i128 zeroext %v1, i128 zeroext %v2) nounwind { +entry: + %t = call {i128, i1} @llvm.uadd.with.overflow.i128(i128 %v1, i128 %v2) + %sum = extractvalue {i128, i1} %t, 0 + %sum32 = trunc i128 %sum to i32 + %obit = extractvalue {i128, 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 {i128, i1} @llvm.sadd.with.overflow.i128(i128, i128) +declare {i128, i1} @llvm.uadd.with.overflow.i128(i128, i128) |
