| ; RUN: llc < %s -march=x86-64 |
| ; PR3763 |
| %struct.__block_descriptor = type { i64, i64 } |
| |
| define %struct.__block_descriptor @evUTCTime() nounwind { |
| entry: |
| br i1 false, label %if.then, label %return |
| |
| if.then: ; preds = %entry |
| %srcval18 = load i128, i128* null, align 8 ; <i128> [#uses=1] |
| %tmp15 = lshr i128 %srcval18, 64 ; <i128> [#uses=1] |
| %tmp9 = mul i128 %tmp15, 18446744073709551616000 ; <i128> [#uses=1] |
| br label %return |
| |
| return: ; preds = %if.then, %entry |
| %retval.0 = phi i128 [ %tmp9, %if.then ], [ undef, %entry ] ; <i128> [#uses=0] |
| ret %struct.__block_descriptor undef |
| } |
| |
| define i128 @test(i128 %arg) nounwind { |
| %A = shl i128 1, 92 |
| %B = sub i128 0, %A |
| %C = mul i128 %arg, %B |
| ret i128 %C ;; should codegen to neg(shift) |
| } |