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Diffstat (limited to 'test/CodeGen/X86/umul-with-overflow.ll')
| -rw-r--r-- | test/CodeGen/X86/umul-with-overflow.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/X86/umul-with-overflow.ll b/test/CodeGen/X86/umul-with-overflow.ll new file mode 100644 index 0000000..d522bd8 --- /dev/null +++ b/test/CodeGen/X86/umul-with-overflow.ll @@ -0,0 +1,8 @@ +; RUN: llc < %s -march=x86 | grep "\\\\\\\<mul" + +declare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b) +define i1 @a(i32 %x) zeroext nounwind { + %res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3) + %obil = extractvalue {i32, i1} %res, 1 + ret i1 %obil +} |