Mercurial > hg > CbC > CbC_llvm
comparison test/CodeGen/X86/umul-with-carry.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children | afa8332a0e37 |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:95c75e76d11b |
|---|---|
| 1 ; RUN: llc < %s -march=x86 | grep "jc" | count 1 | |
| 2 ; XFAIL: * | |
| 3 | |
| 4 ; FIXME: umul-with-overflow not supported yet. | |
| 5 | |
| 6 @ok = internal constant [4 x i8] c"%d\0A\00" | |
| 7 @no = internal constant [4 x i8] c"no\0A\00" | |
| 8 | |
| 9 define i1 @func(i32 %v1, i32 %v2) nounwind { | |
| 10 entry: | |
| 11 %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2) | |
| 12 %sum = extractvalue {i32, i1} %t, 0 | |
| 13 %obit = extractvalue {i32, i1} %t, 1 | |
| 14 br i1 %obit, label %carry, label %normal | |
| 15 | |
| 16 normal: | |
| 17 %t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind | |
| 18 ret i1 true | |
| 19 | |
| 20 carry: | |
| 21 %t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind | |
| 22 ret i1 false | |
| 23 } | |
| 24 | |
| 25 declare i32 @printf(i8*, ...) nounwind | |
| 26 declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) |