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Diffstat (limited to 'test/CodeGen/Blackfin/add-overflow.ll')
| -rw-r--r-- | test/CodeGen/Blackfin/add-overflow.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/Blackfin/add-overflow.ll b/test/CodeGen/Blackfin/add-overflow.ll new file mode 100644 index 0000000..e982e43 --- /dev/null +++ b/test/CodeGen/Blackfin/add-overflow.ll @@ -0,0 +1,18 @@ +; RUN: llc < %s -march=bfin -verify-machineinstrs > %t + + type { i24, i1 } ; type %0 + +define i1 @func2(i24 zeroext %v1, i24 zeroext %v2) nounwind { +entry: + %t = call %0 @llvm.uadd.with.overflow.i24(i24 %v1, i24 %v2) ; <%0> [#uses=1] + %obit = extractvalue %0 %t, 1 ; <i1> [#uses=1] + br i1 %obit, label %carry, label %normal + +normal: ; preds = %entry + ret i1 true + +carry: ; preds = %entry + ret i1 false +} + +declare %0 @llvm.uadd.with.overflow.i24(i24, i24) nounwind |