Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/Generic/add-with-overflow.ll @ 128:c347d3398279 default tip
fix
author | mir3636 |
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date | Wed, 06 Dec 2017 14:37:17 +0900 |
parents | afa8332a0e37 |
children |
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; RUN: llc < %s ; RUN: llc < %s -fast-isel @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], [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], [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], [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], [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)