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view test/CodeGen/Generic/add-with-overflow-24.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
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; 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(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)